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Datasheet
Analog Audio Processors series
Sound Processors
for Car Audio
BD37033FV-M
Key Specifications
Current upon no signal:
Total harmonic distortion:
Maximum input voltage:
Cross-talk between selectors:
Ripple rejection
Output noise voltage:
Residual output noise voltage:
Operating Range of Temperature:
General Description
BD37033FV-M is sound processors for car audio. The
functions are stereo input selector with single end 3 and
ground isolation input 2, volume, 3-band parametric
equalizer, loudness, 6ch fader volume, LPF for
subwoofer, anti-aliasing-filter, Mixing volume. Moreover,
“Advanced switch circuit”, that is ROHM original
technology, can reduce various switching noise (ex.
No-signal, low frequency likes 20Hz & large signal
inputs). “Advanced switch” makes control of
microcomputer easier, and can construct high quality car
audio system.
Features
Reduce switching noise of volume, mute, fader
volume, bass, middle, treble, loudness by using
advanced switch circuit [Possible to control all
steps].
Built-in input selector (single 3 / diff 2).
Decrease the number of external components by
built-in 3-band equalizer filter, LPF for subwoofer,
loudness filter. And, possible to control Q, Gv, fo
of 3-band equalizer and fc of LPF, Gv, fo of
2
loudness by I C BUS control freely.
Built-in mixing volume and anti-aliasing-filter.
Built-in anti-GSM-noise-filter.
Package is SSOP-B28. Putting input-terminals
together and output-terminals together can make
PCB layout easier and can makes area of PCB
smaller.
2
It is possible to control by 3.3V / 5V for I C BUS.
AEC-Q100 Qualified.
Applications
It is the optimal for the car audio. Besides, it is
possible to use for the audio equipment of mini
Compo, micro Compo, TV etc with all kinds.
Typical Application Circuit
package(s)
SSOP-B28
31mA(Typ.)
0.002%(Typ.)
2.1Vrms(Typ.)
100dB(Typ.)
-65dB(Typ.)
5.5µVrms(Typ.)
3.5µVrms(Typ.)
-40℃ to +85℃
W(Typ.) x D(Typ.) x H(Max.)
10.00mm x 7.60mm x 1.35mm
SSOP-B28
22
10uF
OUTF1
21
20
OUTF2 OUTR1
Mix
ON/OFF
10uF
23
24
VCCL
10uF
25
SDA
SCL
I2C BUS LOGIC
10uF
GND
10uF
26
27
VREF
10uF
28
10uF
10uF
0.1uF
8.5V
18
19
OUTR2
OUTS1
15
16
17
OUTS2
LOUT
LRST
MUTE
Mix
ON/OFF
Fader
Mix
/ Fader
Fader
Fader
Fader
Fader
＋
LPF
Loudness
3band P-EQ
MUTE
Volume
LVM
Mix Sel
Input Selector
A1
100k
A2
100k
2
1
B1
100k
3
B2
100k
4
C1
100k
5
100k
C2
6
DP1
100k
100k
DN
8
7
DP2
100k
9
EP1
100k
EN1
100k
11
10
EN2
100k
12
EP2
100k
MIN
100k
14
13
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
Figure 1. Application Circuit Diagram
○Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
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Datasheet
BD37033FV-M
Pin Configuration
SSOP-B28
(TOP VIEW)
A1
1
28
VREF
A2
2
27
GND
B1
3
26
SDA
B2
4
25
SCL
C1
5
24
VCC
C2
6
23
OUTF1
DP1
7
22
OUTF2
DN
8
21
OUTR1
DP2
9
20
OUTR2
EP1
10
19
OUTS1
EN1
11
18
OUTS2
EN2
12
17
LOUT
EP2
13
16
LRST
MIN
14
15
MUTE
Figure 2. Pin configuration
Pin Descriptions
Terminal
Number
Terminal
Name
1
A1
A input terminal of 1ch
2
A2
A input terminal of 2ch
16
LRST
Level meter reset terminal
3
B1
B input terminal of 1ch
17
LOUT
Output terminal for Level meter
4
B2
B input terminal of 2ch
18
OUTS2
SW output terminal of 2ch
5
C1
C input terminal of 1ch
19
OUTS1
SW output terminal of 1ch
6
C2
C input terminal of 2ch
20
OUTR2
Rear output terminal of 2ch
7
DP1
D positive input terminal of 1ch
21
OUTR1
Rear output terminal of 1ch
8
DN
D negative input terminal
22
OUTF2
Front output terminal of 2ch
Description
Terminal
Number
Terminal
Name
15
MUTE
Description
External compulsory mute terminal
9
DP2
D positive input terminal of 2ch
23
OUTF1
10
EP1
E positive input terminal of 1ch
24
VCC
VCC terminal for power supply
11
EN1
E negative input terminal of 1ch
25
SCL
I C Communication clock terminal
12
EN2
E negative input terminal of 2ch
26
SDA
I C Communication data terminal
13
EP2
E positive input terminal of 2ch
27
GND
GND terminal
14
MIN
Mixing input terminal
28
VREF
VREF terminal
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Front output terminal of 1ch
2
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Datasheet
BD37033FV-M
Block Diagram
Figure 3. Block Diagram
Absolute Maximum Ratings
Parameter
Symbol
Limits
Unit
Power supply Voltage
VCC※1
V
Input Voltage
Vin※1
W
℃
Power Dissipation
Pd
10.0
VCC+0.3 to GND-0.3
Only SCL,SDA 7 to GND-0.3
1.06 ※2
Storage Temperature
Tastg
-55 to +150
V
※Maximum voltage which can be impressed referencing GND. Operation using batteries which is used in automobiles directly cannot
be guaranteed.
※2 This value decreases 8.5mW/℃ for Ta=25℃ or more.
ROHM standard board shall be mounted
Thermal resistance θja = 117.6(℃/W)
ROHM Standard board
Size:70×70×1.6(㎣)
Material:A FR4 grass epoxy board(3% or less of copper foil area)
Operating Range
Parameter
Symbol
Limits
Unit
Power supply voltage
VCC
7.0 to 9.5
V
Temperature
Topr
-40 to +85
℃
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Datasheet
BD37033FV-M
BLOCK
Electrical Characteristic
Unless specified particularly Ta=25℃, VCC=8.5V, f=1kHz, Vin=1Vrms, Rg=600Ω, RL=10kΩ, A input, Volume 0dB,
Tone control 0dB, Loudness 0dB, LPF OFF, Fader 0dB, Mix OFF, anti-aliasing-filter OFF
Limit
Item
Symbol
Unit
Condition
Min.
Typ.
Max.
Current upon no signal
Voltage gain
Channel balance
Bass
Mute
Volume
InputGain
Input Selector
General
Total harmonic distortion
Output noise voltage
*
IQ
GV
CB
－
-1.5
-1.5
31
0
0
43
+1.5
+1.5
mA
dB
dB
THD+N
－
0.002
0.05
%
VNO
－
5.5
15
µVrms
Residual output noise voltage
*
VNOR
－
3.5
10
µVrms
Cross-talk between channels
*
CTC
－
-100
-85
dB
Ripple rejection
RR
－
-65
-40
dB
Input impedance
RIN
70
100
130
kΩ
Maximum input voltage
VIM
2.0
2.1
－
Vrms
No signal
Gv=20log(VOUT/VIN)
CB = GV1-GV2
VOUT=1Vrms
BW=400-30KHz
Rg = 0Ω
BW = IHF-A
Fader = -∞dB
Rg = 0Ω, BW = IHF-A
Rg = 0Ω
CTC=20log(VOUT/VIN)
BW = IHF-A
f=1kHz, VRR=100mVrms
RR=20log(VCC IN/VOUT)
VIM at THD+N(VOUT)=1%
BW=400-30KHz
Rg = 0Ω
CTS=20log(VOUT/VIN)
BW = IHF-A
XP1 and XN input
XP2 and XN input
CMRR=20log(VIN/VOUT)
BW = IHF-A
[※X・・・D/E]
InputGain +16dB
VIN=100mVrms
Gin=20log(VOUT/VIN)
InputGain 0dB
VIN=1Vrms
Gin=20log(VOUT/VIN)
GAIN=+16 to +1dB
Volume +15dB
VIN=100mVrms
Gin=20log(VOUT/VIN)
Volume -79dB
VIN=2Vrms
Gin=20log(VOUT/VIN)
GAIN=+15 to +1dB
ATT=0dB to -79dB
Cross-talk between selectors
*
CTS
－
-100
-85
dB
Common mode rejection ratio
*
CMRR
46
60
－
dB
Maximum input gain
Gv MAX
+14
+16
+18
dB
Minimum input gain
Gv MIN
-2
0
+2
dB
Gain set error
GV ERR1
-2
0
+2
dB
Maximum boost gain
Gv MAX
+13
+15
+17
dB
Gv MIN
-83
-79
-75
dB
Gain set error
Attenuation set error
GV ERR1
GV ERR2
-2
-2
0
0
+2
+2
dB
dB
Mute attenuation
GMUTE
－
-100
-85
dB
Mute ON
Gmute=20log(VOUT/VIN)
BW = IHF-A
Maximum boost gain
GB BST
+13
+15
+17
dB
Gain=+15dB f=100Hz
VIN=100mVrms
GB=20log (VOUT/VIN)
Maximum cut gain
GB CUT
-17
-15
-13
dB
Gain=-15dB f=100Hz
VIN=2Vrms
GB=20log (VOUT/VIN)
Gain set error
GB ERR
-2
0
+2
dB
Gain=+15 to -15dB f=100Hz
Maximum attenuation
*
*
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Datasheet
Loudness
Treble
Middle
BLOCK
BD37033FV-M
Limit
Item
Symbol
Unit
Min.
Typ.
Max.
Maximum boost gain
GM BST
+13
+15
+17
dB
Maximum cut gain
GM CUT
-17
-15
-13
dB
Gain set error
GM ERR
-2
0
+2
dB
Maximum boost gain
GT BST
+13
+15
+17
dB
Maximum cut gain
GT CUT
-17
-15
-13
dB
Gain set error
GT ERR
-2
0
+2
dB
Maximum gain
GL MAX
-17
-15
-13
dB
Gain set error
GL ERR
-2
0
+2
dB
Maximum boost gain
GF BST
+13
+15
+17
dB
GF MIN
－
-100
-85
dB
Input impedance
Gain set error
Attenuation set error 1
Attenuation set error 2
Attenuation set error 3
RIN_M
GF ERR
GF ERR1
GF ERR2
GF ERR3
70
-2
-2
-3
-4
100
0
0
0
0
130
2
2
3
4
kΩ
dB
dB
dB
dB
Maximum boost gain
GF BST
+13
+15
+17
dB
GF MIN
－
-100
-85
dB
GF ERR
GF ERR1
GF ERR2
GF ERR3
ROUT
-2
-2
-3
-4
-
0
0
0
0
－
2
2
3
4
50
dB
dB
dB
dB
Ω
Maximum output voltage
VOM
2.0
2.2
－
Vrms
Maximum output voltage
VL MAX
2.8
3.1
3.5
V
Maximum offset voltage
VL OFF
-
15
100
mV
*
Mix
Maximum attenuation
Level
Meter
Fader
Maximum attenuation
*
Gain set error
Attenuation set error 1
Attenuation set error 2
Attenuation set error 3
Output impedance
Condition
Gain=+15dB f=1kHz
VIN=100mVrms
GM=20log (VOUT/VIN)
Gain=-15dB f=1kHz
VIN=2Vrms
GM=20log (VOUT/VIN)
Gain=+15 to -15dB f=1kHz
Gain=+15dB f=10kHz
VIN=100mVrms
GT=20log (VOUT/VIN)
Gain=-15dB f=10kHz
VIN=2Vrms
GT=20log (VOUT/VIN)
Gain=+15 to -15dB f=10kHz
Gain -15dB f=800Hz
VIN=1Vrms
GL=20log(VOUT/VIN)
Gain=-15 to -1dB
Fader=+15dB
VIN=100mVrms
GF=20log(VOUT/VIN)
Fader=-∞dB
GF=20log(VOUT/VIN)
BW = IHF-A
Gain=+15 to 1dB
ATT=-1 to -15dB
ATT=-16 to -47dB
ATT=-48 to-79dB
Fader=+15dB
VIN=100mVrms
GF=20log(VOUT/VIN)
Fader=-∞dB
GF=20log(VOUT/VIN)
BW = IHF-A
Gain=+15 to +1dB
ATT=-1 to -15dB
ATT=-16 to -47dB
ATT=-48 to -79dB
VIN=100mVrms
THD+N=1%
BW=400-30KHz
*VP-9690A(Average value detection, effective value display) filter by Matsushita Communication is used for * measurement.
Phase between input / output is same.
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Datasheet
BD37033FV-M
60
5
4
50
3
2
40
Gain [dB]
Iq [mA]aaaaaaaaaaaaaaaaa
Typical Performance Curve(s)
30
20
1
0
-1
-2
-3
10
-4
0
-5
7.0
7.5
8.0
8.5
9.0
9.5
10
100
VCC [V]
1000
10000
100000
Frequency [Hz]
Figure 4. Vcc vs Iq
Figure 5. Gain vs frequency
10.000
10.000
1.000
1.000
0
0.100
0.100
0.010
Vo [Vrms]
Gain [dB]
THD+n [%]
-20
-40
-60
0.010
-80
0.001
0.001
0.001
0.010
0.100
1.000
10.000
10
Vin [Vrms]
100
1000
10000
100000
Frequency [Hz]
Figure 6. THD vs Vin / Vo
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Figure 7. CMRR
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BD37033FV-M
0
0
-20
-20
Gain [dB]
Gain [dB]
-40
-40
-60
-60
-80
-80
-100
-100
-120
10
100
1000
10000
100000
10
100
Frequency [Hz]
10000
100000
Figure 9. CTC
Figure 8. PSRR
5
5
0
0
Gain [dB]
Gain [dB]
1000
Frequency [Hz]
-5
-5
-10
-10
-15
-15
-20
-20
10
100
1000
10000
100000
10
Frequency [Hz]
1000
10000
100000
Frequency [Hz]
Figure 11. Anti aliasing Filter
Figure 10. Loudness
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20
20
15
15
10
10
5
5
Gain [dB]
Gain [dB]
BD37033FV-M
0
0
-5
-5
-10
-10
-15
-15
-20
-20
10
100
1000
10000
100000
10
100
Frequency [Hz]
1000
10000
100000
Frequency [Hz]
Figure 13. Middle gain vs frequency
Figure 12. Bass gain vs frequency
20
0
15
-20
10
Gain [dB]
Gain [dB]
5
0
-40
-60
-5
-10
-80
-15
-20
-100
10
100
1000
10000
100000
10
Frequency [Hz]
1000
10000
100000
Frequency [Hz]
Figure 15. LPF
Figure 14. Treble gain vs frequency
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Datasheet
BD37033FV-M
2
I C BUS CONTROL SIGNAL SPECIFICATION
(1) Electrical specifications and timing for bus lines and I/O stages
SDA
t
BUF
t
t
F
HD;STA
t
t
t
SP
R
LOW
SCL
t
HD;STA
P
t
HD;DAT
t
t
HIGH
t
t
SU;DAT
SU;STA
SU;STO
Sr
S
P
2
Figure 16. Definition of timing on the I C-bus
2
Table 1 Characteristics of the SDA and SCL bus lines for I C-bus devices(Ta=25℃, VCC=8.5V)
2
Fast-mode I C-bus
Parameter
Symbol
Min.
Max.
400
1
SCL clock frequency
fSCL
0
2
Bus free time between a STOP and START condition
tBUF
1.3
－
Hold time (repeated) START condition. After this period, the
3
tHD;STA
0.6
－
first clock pulse is generated
4
LOW period of the SCL clock
tLOW
1.3
－
5
HIGH period of the SCL clock
tHIGH
0.6
－
6
Set-up time for a repeated START condition
tSU;STA
0.6
－
7
Data hold time
tHD;DAT
0
－
8
Data set-up time
tSU;DAT
100
－
9
Set-up time for STOP condition
tSU;STO
0.6
－
Unit
kHz
µS
µS
µS
µS
µS
µS
ns
µS
All values referred to VIH min. and VIL max. Levels (see Table 2).
2
Table 2 Characteristics of the SDA and SCL I/O stages for I C-bus devices
Parameter
10
11
12
Symbol
LOW level input voltage
HIGH level input voltage
Pulse width of spikes which must be suppressed by the input
filter.
13
LOW level output voltage: at 3mA sink current
14
Input current each I/O pin with an input voltage between 0.4V
and 4.5V
Fast-mode devices
Min.
Max.
Unit
VIL
VIH
-0.3
2.3
1
5
V
V
tSP
0
50
ns
VOL1
0
0.4
V
Ii
-10
10
µA
Figure 17.
Command timing example in the
I2C data transmission
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Datasheet
BD37033FV-M
2
(2)I C BUS FORMAT
S
1bit
MSB
LSB
Slave Address
8bit
S
Slave Address
A
Select Address
Data
P
MSB
LSB
MSB
LSB
A
Select Address
A
Data
A
P
1bit
8bit
1bit
8bit
1bit 1bit
= Start conditions (Recognition of start bit)
= Recognition of slave address. 7 bits in upper order are voluntary.
The least significant bit is “L” due to writing.
= ACKNOWLEDGE bit (Recognition of acknowledgement)
= Select every of volume, bass and treble.
= Data on every volume and tone.
= Stop condition (Recognition of stop bit)
2
(3)I C BUS Interface Protocol
1)Basic form
Slave Address
S
MSB
LSB
A
Select Address
MSB
LSB
A
Data
A
MSB
LSB
P
2)Automatic increment(Select Address increases (+1) according to the number of data)
S
Slave Address
A
Select Address
A
Data1
A
Data2
A ････
MSB
LSB
MSB
LSB
MSB
LSB
MSB
LSB
(Example)①Data 1 is set as data of Select Address (20h).
②Data 2 is set as data of Select Address +1 (28h).
③Data N is set as data of Select Address +N-1.
DataN
MSB
3)Configuration unavailable for transmission (In this case, only Select Address 1 is set.)
S Slave Address A
Select Address1 A Data
A Select Address 2 A Data
A
MSB
LSB MSB
LSB MSB LSB MSB
LSB MSB LSB
(Note)If any data is transmitted as Select Address 2 next to data,
It is recognized as data, not as Select Address 2.
A
P
LSB
P
(4)Slave Address
MSB
A6
1
A5
0
A4
0
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A2
0
A1
0
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A0
0
LSB
R/W
0
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Datasheet
BD37033FV-M
(5)Select Address and Data
Items
Select
Address
(hex)
MSB
D7
Data
D6
Advanced Anti Alias
Switch
Filter
ON/OFF
ON/OFF
LPF
Level
Phase
Meter
0°/180°
Reset
Mixing Input
Selector
Full-diff
0
Type
MUTE
0
ON/OFF
D5
D4
LSB
D3
D2
Advanced Switch
Time of Volume/Fader
/Tone/Loudness
0
1
Subwoofer Output
Selector
Subwoofer
Input
Selector
D1
D0
Advanced Switch
Time of Mute
Initial Setup
01
LPF Setup
02
Mixing Setup
03
Input Selector
05
Input Gain
06
Volume Gain
20
Volume Gain / Attenuation
Fader 1ch Front
28
Fader Gain / Attenuation
Fader 2ch Front
29
Fader Gain / Attenuation
Fader 1ch Rear
2A
Fader Gain / Attenuation
Fader 2ch Rear
2B
Fader Gain / Attenuation
Fader 1ch Sub
2C
Fader Gain / Attenuation
Mixing (2ch Sub)
30
Mixing Gain / Attenuation
Bass setup
41
0
0
Bass f0
0
0
Bass Q
Middle setup
44
0
0
Middle f0
0
0
Middle Q
Treble setup
47
0
0
Treble f0
0
0
Bass Gain
51
Middle Gain
54
Treble Gain
57
Loudness Gain
75
0
System Reset
FE
1
Bass
Boost/Cut
Middle
Boost/Cut
Treble
Boost/Cut
0
Subwoofer LPF fc
MIX_2CH
ON/OFF
Loudness f0
0
Input Selector
0
Input Gain
0
0
Bass Gain
0
0
Middle Gain
0
0
Treble Gain
Loudness Hi_Cut
0
0
MIX_1CH
ON/OFF
1
0
Treble
Q
0
1
Loudness Gain
0
0
0
: Advanced Switch
※(Set up bit (It is written with “0” by the above table) which hasn’t been used in “0”.
Note
1. In function changing of the hatching part, it works Advanced switch..
2. Upon continuous data transfer, the Select Address is circulated by the automatic increment function, as shown below.
3. For the function of input selector and subwoofer input select etc, it is not corresponded for advanced switch.
Therefore, please apply mute on the side of a set when changes these setting.
4. When using mute function of this IC at the time of changing input selector, please switch mute ON/OFF
for waiting advanced-mute time.
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
Datasheet
BD37033FV-M
Select address 01(hex)
Function Name
Advanced Switch
Time of Mute
Advanced Switch
Time of
Volume /Fader
/Tone/Loudness
Anti Alias Filter
ON/OFF
Advanced Switch
ON/OFF
Mode
0.6msec
1.0msec
1.4msec
3.2msec
4.7msec
7.2msec
11.2msec
14.4msec
OFF
ON
OFF
ON
Select address 02(hex)
Function Name
Subwoofer
LPF fc
Default:8’ha0
MSB
D7
Mode
D6
D5
0
0
1
1
Initial Setup
D4
D3
Subwoofer
Output Selector
Level Meter
Reset (*2)
LPF Phase
0°/180° (*3)
D1
0
0
1
1
LSB
D0
0
1
0
1
D2
0
0
0
0
1
1
1
1
D1
0
0
1
1
0
0
1
1
LSB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Default:8’h00
MSB
D7
D6
D5
LPF Setup
D4
D3
OFF
55Hz
85Hz
120Hz
160Hz
PASS
Prohibition
Subwoofer
Input Selector
D2
Loudness
Input Selector
LPF
Front
Rear
Subwoofer (*1)
Hold
Reset
0°
180°
0
1
0
0
1
1
0
1
0
1
0
1
0
1
: Initial condition
(*1): If Subwoofer Output Selector is set as 「Subwoofer」('b11), Mixing volume can be used as Subwoofer 2ch.
Mixing volume and Subwoofer 2ch volume cannot be used simultaneously.
(*2): If “Level Meter Reset” is set as Reset(“b1), a reset pulse will be outputted only once to a level meter block.
Also about this register, after a reset pulse output returns to a Hold(“b0) state, without holding a Reset(“b1) state.
Therefore, in order to change into a Hold state, it is not necessary to carry out a register setup again.
(*3): If Subwoofer LPF fc is set as 「PASS」('b000), LPF PHASE is compulsorily fixed to 0°('b0) .
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
12/38
TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
Datasheet
BD37033FV-M
Select address 03(hex)
Function
Mode
Name
Mixing 1ch
ON/OFF
Mixing 2ch
ON/OFF
Loudness
f0
Mixing Input
Selector
Mix
A_Single
B_Single
Prohibition
Select address 05(hex)
Function
Mode
Name
A_Single
B_Single
C_Single
D_Single
E1_Single
Input
Selector
E2_Single
D_Diff
E_Full_Diff
Full-diff
Type
Default:8’h00
Pin
1p
1n 2n
2p
ON
OFF
ON
OFF
400Hz
800Hz
2400Hz
Prohibition
MIN
MIN
A1
A2
B1
B2
Default:8’h00
Pin
1p
1n
2n
A1
B1
C1
DP1
EP1
EN2
D_Diff
DN
EP1
EN1 EN2
Prohibition
Input short
Negative input
Bias
Select address 06 (hex)
Function Name
Input Gain
Mute
ON/OFF
Gain
0dB
1dB
2dB
3dB
4dB
5dB
6dB
7dB
8dB
9dB
10dB
11dB
12dB
13dB
14dB
15dB
16dB
(16dB)
(16dB)
(16dB)
(16dB)
Prohibition
OFF
ON
MSB
D7
2p
A2
B2
C2
DP2
EN1
EP2
DP2
EP2
Default:8’h00
MSB
D7
D6
D6
D5
HPF Setup
D4
D3
D2
D1
0
1
LSB
D0
0
1
0
0
1
1
0
0
1
1
0
1
0
1
MSB
D7
D6
D5
0
1
0
1
Input Selector
D4
D3
D2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
0
1
0
Other setting
0
1
0
D1
0
0
1
1
1
1
1
0
LSB
D0
0
1
0
1
0
1
0
0
0
1
0
1
D5
Input Gain
D4
D3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
Other setting
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
LSB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
: Initial condition
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
Datasheet
BD37033FV-M
Select address 20 (hex)
Function Name
D6
0
D5
0
Volume Gain
D4
D3
0
0
D2
0
D1
0
LSB
D0
0
Prohibition
…
…
…
…
…
…
…
…
Volume
Gain
Default:8'h00
MSB
Mode
D7
0
+15dB
+14dB
+13dB
+12dB
+11dB
+10dB
+9dB
+8dB
+7dB
+6dB
+5dB
+4dB
+3dB
+2dB
+1dB
-0dB
-1dB
-2dB
-3dB
-4dB
-5dB
-6dB
-7dB
-8dB
-9dB
-10dB
-11dB
-12dB
-13dB
-14dB
-15dB
-16dB
-17dB
-18dB
-19dB
-20dB
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
: Initial condition
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
14/38
TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
Datasheet
BD37033FV-M
Function Name
Volume
Gain
-21dB
MSB
D7
1
D6
0
D5
0
-22dB
1
0
0
1
-23dB
-24dB
-25dB
-26dB
-27dB
-28dB
-29dB
-30dB
-31dB
-32dB
-33dB
-34dB
-35dB
-36dB
-37dB
-38dB
-39dB
-40dB
-41dB
-42dB
-43dB
-44dB
-45dB
-46dB
-47dB
-48dB
-49dB
-50dB
-51dB
-52dB
-53dB
-54dB
-55dB
-56dB
-57dB
-58dB
-59dB
-60dB
-61dB
-62dB
-63dB
-64dB
-65dB
-66dB
-67dB
-68dB
-69dB
-70dB
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
Mode
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
15/38
Volume Gain
D4
D3
1
0
D2
1
D1
0
LSB
D0
1
0
1
1
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
Datasheet
D1
1
0
0
1
1
0
0
1
1
0
LSB
D0
1
0
1
0
1
0
1
0
1
0
Prohibition
…
…
'-79dB
1
1
1
1
1
1
1
1
1
1
0
1
D2
0
D1
0
LSB
D0
0
Default:8'hFF
D5
0
…
…
…
…
Fader / Mixing Gain
D4
D3
0
0
D6
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
(*1): When Subwoofer Output Selector is set as 「Subwoofer」('b11),
gain setup of Subwoofer 2ch.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
1
1
…
…
Select address 28, 29, 2A, 2B, 2C, 30(hex)
MSB
Function Name
Mode
D7
0
Prohibition
0
+15dB
0
+14dB
0
+13dB
0
+12dB
0
+11dB
0
Fader/Mixing
+10dB
0
Gain(*1)
+9dB
0
+8dB
0
+7dB
0
+6dB
0
+5dB
0
+4dB
0
+3dB
0
+2dB
0
+1dB
0
1
1
…
-71dB
-72dB
-73dB
-74dB
-75dB
-76dB
-77dB
-78dB
-79dB
…
D2
1
0
0
0
0
1
1
1
1
0
…
Volume Gain
D4
D3
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
…
D5
0
0
0
0
0
0
0
0
0
0
…
D6
1
1
1
1
1
1
1
1
1
1
…
Volume
Gain
MSB
D7
1
1
1
1
1
1
1
1
1
1
Mode
…
Function Name
…
BD37033FV-M
16/38
Mixing Gain
(Select Address 30) becomes a
TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
Datasheet
BD37033FV-M
Function Name
Mode
Fader/Mixing
Gain
-0dB
-1dB
-2dB
-3dB
-4dB
-5dB
-6dB
-7dB
-8dB
-9dB
-10dB
-11dB
-12dB
-13dB
-14dB
-15dB
-16dB
-17dB
-18dB
-19dB
-20dB
-21dB
-22dB
-23dB
-24dB
-25dB
-26dB
-27dB
-28dB
-29dB
-30dB
-31dB
-32dB
-33dB
-34dB
-35dB
-36dB
-37dB
-38dB
-39dB
-40dB
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
MSB
D7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
17/38
Fader Gain
D4
D3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
LSB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
Datasheet
D6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Fader Gain
D4
D3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
D2
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
D1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
LSB
D0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Prohibition
…
…
…
…
…
…
Fader/Mixing
Gain
MSB
D7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
…
Function Name
…
BD37033FV-M
MUTE
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
Mode
-41dB
-42dB
-43dB
-44dB
-45dB
-46dB
-47dB
-48dB
-49dB
-50dB
-51dB
-52dB
-53dB
-54dB
-55dB
-56dB
-57dB
-58dB
-59dB
-60dB
-61dB
-62dB
-63dB
-64dB
-65dB
-66dB
-67dB
-68dB
-69dB
-70dB
-71dB
-72dB
-73dB
-74dB
-75dB
-76dB
-77dB
-78dB
-79dB
: Initial condition
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Datasheet
BD37033FV-M
Select address 41(hex)
Mode
Function Name
Bass Q
Bass f0
Middle Q
Middle f0
Mode
Treble Q
Treble f0
Mode
D5
0
0
1
1
Default:8'h00
MSB
D7
D6
0.75
1.00
1.25
1.50
0.5kHz
1kHz
1.5kHz
2.5kHz
Select address 47(hex)
Function Name
D6
0.5
1.0
1.5
2.0
60Hz
80Hz
100Hz
120Hz
Select address 44(hex)
Function Name
Default:8'h00
MSB
D7
D5
0
0
1
1
Default:8'h00
MSB
D7
0.75
1.25
7.5kHz
10kHz
12.5kHz
15kHz
D6
D5
0
0
1
1
Bass setup
D4
D3
D2
D1
0
0
1
1
LSB
D0
0
1
0
1
D2
D1
0
0
1
1
LSB
D0
0
1
0
1
D2
D1
0
1
0
1
Middle setup
D4
D3
0
1
0
1
Treble setup
D4
D3
LSB
D0
0
1
0
1
0
1
: Initial condition
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Datasheet
BD37033FV-M
Select address 51, 54, 57(hex)
Function Name
Bass
/Middle
/Treble
Gain
Bass/Middle/Treble
Boost/Cut
Mode
0dB
1dB
2dB
3dB
4dB
5dB
6dB
7dB
8dB
9dB
10dB
11dB
12dB
13dB
14dB
15dB
(15dB)
(15dB)
(15dB)
(15dB)
(15dB)
Prohibition
Boost
Cut
Select address 75(hex)
Function Name
Loudness Gain
Loudness HICUT
Default:8'h00
MSB
D7
D6
Mode
D5
Bass/Middle/Treble Gain
D4
D3
D2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
1
0
1
1
0
1
1
0
1
1
1
0
0
1
0
0
1
0
0
1
0
0
1
0
1
other setting
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
LSB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
LSB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
Default:8'h00
MSB
D7
0dB
1dB
2dB
3dB
4dB
5dB
6dB
7dB
8dB
9dB
10dB
11dB
12dB
13dB
14dB
15dB
(15dB)
(15dB)
(15dB)
(15dB)
(15dB)
Prohibition
HICUT1
HICUT2
HICUT3
HICUT4
D6
D5
0
0
1
1
0
1
0
1
Loudness Gain
D4
D3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
other setting
: Initial condition
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Datasheet
BD37033FV-M
Recommendation of VOLUME DIAGRAM
The example of the SET VOLUME DIAGRAM by Volume(SelectAddress 20(hex)) and Fader(SelectAddress
28,29,2A,2B,2C, 30(hex)) is explained in the following.
Example 1 ) It is recommended when a signal level is made to attenuate, a decline by Volume is done by -24dB. It is
adjusted with Fader after -24dB. S/N ratio can improve in comparison with the case that it is made to attenuate only with
Volume.
Display
(※ )
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
Total Gain
[dB]
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
Volume
[dB]
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
Fader
[dB]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Display
(※ )
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Total Gain
[dB]
-19
-20
-21
-22
-23
-24
-26
-28
-30
-32
-34
-36
-38
-40
-42
-44
-46
-48
-50
-52
-54
-56
-58
-60
-62
-∞
Volume
[dB]
-19
-20
-21
-22
-23
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
Mute
Fader
[dB]
0
0
0
0
0
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-36
-38
Mute
Table 1. A decline by Volume is done by -24dB. It is adjusted with Fader after -24dB.
(※Display=SET VOLUME)
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Datasheet
BD37033FV-M
※When a attenuate after -32dB is used with Volume, in case of use Subwoofer Input Selector = Input Selector
(SelectAddress 02(hex), D3 = 1), Output level of OUTS1/S2 is attenuated 「 Volume – (-31dB) 」.
Figure 18. Subwoofer Input Selector = Input Selector (SelectAddress 02(hex), D3 = 1)
Volume
[dB]
OUTS1/S2 [dB]
Select
Address
20(hex)
Subwoofer Input
Selector=Loudness
(Select Address
02(hex), D3=0)
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
Subwoofer Input
Selector=
Input Selector
(Select Address
02(hex), D3=1)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Volume
[dB]
OUTS1/S2 [dB]
Select
Address
20(hex)
Subwoofer Input
Selector=Loudness
(Select Address
02(hex), D3=0)
-19
-20
-21
-22
-23
-24
-26
-28
-30
-32
-34
-36
-38
-40
-42
-44
-46
-48
-50
-52
-54
-56
-58
-60
-62
-19
-20
-21
-22
-23
-24
-26
-28
-30
-32
-34
-36
-38
-40
-42
-44
-46
-48
-50
-52
-54
-56
-58
-60
-62
Subwoofer Input
Selector=
Input Selector
(Select Address
02(hex), D3=1)
0
0
0
0
0
0
0
0
0
-1
-3
-5
-7
-9
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
Table 2. Subwoofer Input Selector = Input Selector (SelectAddress 02(hex), D3 = 1)
Volume attenuation vs Output Level of OUTS1/S2
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Datasheet
BD37033FV-M
About loudness
When Loudness is set up in on, signal level in fo (set up by (SelectAddress 03(hex), D3,D4))is attenuated) is made
attenuated.
Therefore to make it put emphasis on the low and high band, use volume together
Loudness=OFF(SelectAddress 75 : D4 to D0 = 0dB)
Loudness=ON(Select Address 75 : D4 to D0 = 14dB)
Figure 19. Loudness gain vs frequency (fo=800Hz)
Display
(※)
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
Total
Gain
A [dB]
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
Total
Gain
B [dB]
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
Volume
[dB]
Loudness
[dB]
Fader
[dB]
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-2
-3
-4
-5
-6
-7
-8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Display
(※)
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Total
Gain
A [dB]
-10
-10
-10
-10
-10-10
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-36
-38
-40
-42
-44
-46
-48
-∞
Total
Gain
B [dB]
-19
-20
-21
-22
-23
-24
-26
-28
-30
-32
-34
-36
-38
-40
-42
-44
-46
-48
-50
-52
-54
-56
-58
-60
-62
-∞
Volume
[dB]
Loudness
[dB]
Fader
[dB]
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
Mute
-9
-10
-11
-12
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
0
0
0
0
0
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
-36
-38
Mute
Table 3. A decline by Volume is done by -24dB. It is adjusted with Fader after -24dB. Loudness=ON
(※Display=SET VOLUME)
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Datasheet
BD37033FV-M
Total Gain A
Total Gain B
Figure 20. Gain vs frequency of Table.3
Attention about Loudness ON/OFF
To make it put emphasis on the low and high band, when it is made to boost with Volume so long as it was made to
attenuate with Loudness.
・Loudness OFF →ON ：
・Loudness ON →OFF ：
Send data of loudness before volume
Send data of volume before loudness
※Transmit data in the above turn. A signal level declines first, and it is amplified after that. And so natural switching
can be realized.
Figure 21. example of data sending about Loudness ON/OFF
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Datasheet
BD37033FV-M
(6)About power on reset
At on of supply voltage circuit made initialization inside IC is built-in. Please send data to all address as initial data
at supply voltage on. And please supply mute at set side until this initial data is sent.)
Limit
Unit
Condition
Item
Symbol
Min.
Typ.
Max.
－
－
Rise time of VCC
Trise
33
usec VCC rise time from 0V to 5V)
VCC voltage of
－
－
Vpor
4.1
V
release power on
reset
(7)About external compulsory mute terminal
Mute is possible forcibly than the outside after input again department, by the setting of the MUTE terminal.
Mute Voltage Condition
Mode
GND to 1.0V
MUTE ON
2.3V to 5.0V
MUTE OFF
Establish the voltage of MUTE in the condition to have been defined.)
About VCC response of VREF terminal)
Output voltage of VREF terminal keep fixed voltage in operational range.
VREF vs. VCCL
10
9
8
VREF [V]
7
6
5
4
3
2
1
0
0
2
4
6
8
10
VCCL [V]
Figure 22.
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Datasheet
BD37033FV-M
About Advanced switching circuit
【1】About Advanced switch
1-1. Effect of Advanced switch
It is the ROHM original technology for prevention of switching noise. When gain switching such as volume and tone
control is done momentarily, a music signal doesn’t continue, and unpleasant shock noise is made. Advanced switch
can reduce shock noise with the technology which signal wave shape is changed to gently so that a music signal may
not continue drastically.
select
slave
data
Gain is made to change right after the data transmission momentarily. At this
time, a change of DC occurs only in the one for the difference of the amplitude
I2C BUS
80
before and after the change.. The technology made to make this change slow
a change of DC
Wave of Advanced switching
Advanced switch starts switching after the control data transmitted by a microcomputer are received. It takes one
fixed time, and wave shape transits as the above figure. The data transmitted by a microcomputer are processed inside,
and the most suitable movement is done inside the IC so that switching shock noise may not be made.)
But, it presumes by the transmitting timing when it doesn’t become intended switching wave shape because it is the
function which needs time. The example which relations with the switching time of the data transmitting timing and the
reality were shown in is given to it in the following. It asks for design when it is confirmed well.
About a kind of transmission method
・A data setup (by the data format, the thing which isn’t indicated by gray) except for the item for advanced switch
There is no regulation in transmission specially.
・The data setup (by the data format, the thing which gray indication is) of the item for advanced switch
Though there is no regulation in data transmission, the switching order when data are transmitted to several blocks
follows the
next 2-3.
【2】About transmission DATA of advanced switching item
2-1. About switching time of advanced switch
advanced switch ON/ OFF is set up in ON to make advanced switch function effective.
And, though it becomes the same completely, the movement time of advanced switch can set up only MUTE in the
independence.
As for these, set it up referring to select address 01(hex) of the data format.
There are transition time to be equivalent to the setup value, and treatment time (effect-less time) inside the IC in
advanced switch. Therefore, actual switching time (Tsoft and Tsoft, MUTE) is defined as follows.
The treatment time of around 1 time needs the time of 2 times of the setup value
The treatment time of around 1 time of MUTE becomes the same time as the setup value (movement time). (Example : in the case of
(movement time). (Example : in the case of 11.2msec, 22.4msec)
3.2msec, with OFF->ON, each ON-> OFF, 3.2msec
Tsoft=setup value×2
Tsoft,MUTE
Tsoft,MUTE
MUTE advanced switching time
Advanced switching time
MUTE ON time
switching time
MUTE OFF time
Setup value 11.2msec should be recommended in switch time of advanced switch. But, when a shock noise level
during gain switching isn’t sufficient, it has the possibility that it can be reduced by setting it up more this long on the
actual use. But, be careful because an response in switching of around one time becomes slow when you lengthen
time.
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Datasheet
BD37033FV-M
2-2. About the data transmitting timing in same block state and the switching movement.
■
Transmitting example 1
A time chart to the switching start has become the next since the data transmission.
The interval of the same blocks is fully left, and the example when data are transmitted is shown first.
And, as for enough interval, it becomes the time when setup time was multiplied by the dispersion margin 1.4.
sl a ve s e le ct
AK S
d a ta
(F 1 0d B )
80
I2 C B U S
28
(F 1 – IN F d B)
80
80
28
FF
Tso ft×1 .4 m se c
A dv a n ced sw itch tim e
F a d e r Ｆ 1 s w itc h tim e
Fa d e r Ｆ 1 sw it ch tim e
F a d e r_ F1 o utp u t
■
Transmitting example 2
Next, when a transmitting interval isn’t sufficient, the example of (When it is shorter than the above interval.) is shown.
The next switching movement is started in succession after that movement is finished when data are transmitted
during the first switching movement.
sl a ve s e le ct
AK S
d a ta
(F 1 0d B )
I2 C B U S
80
28
(F1 –IN Fd B )
80
80
28
FF
A dv a n ced sw itch tim e
F a d e r_Ｆ 1 sw itch tim e
Fa d e r_ Ｆ 1 sw it ch tim e
Fa d e r_ F 1 o ut p ut
■ Transmitting example 3
Next, the example of the switching movement when a transmitting interval was shortened more is shown.
It has the buffer which memorizes data inside the IC, and a buffer always does transmitting data. But, data of +6dB
which transmitted to the second become invalid with this example to hold only the latest data.
This is invalid as a result.
(FaderF1
I2C BUS
80
Only an end is effective in the data transmitted during F1 switching.
0dB)
28
80
(FaderF1 +6B)
80
28
06
(FaderF1 -6B)
80
288
86
Replacement
F1 built-in buffer(memory)
0dB
+6dB
Data of 0dB received : -8 ->0dB
-6dB
Data of -6dB received from buffer : 0dB->-6dB
Advanced switch time
FaderF1 switch time
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■ Transmitting example 4
As for handling of refresh-data, advanced switch movement isn’t started to judge for present setup data and a
difference that to be inside the IC)
(FaderF1 0dB)
(FaderF1 0dB)
80
I2C BUS
28
80
80
28
80
Refresh data
Because receiving refresh-data, advanced switch doesn't start.
Advanced switch time
FaderF1 switch time
2-3. About the data transmitting timing in several block state and the switching movement.)
When data are transmitted to several blocks, treatment in the BS (block state) unit is carried out inside the IC.
The movement start order of adbanced switch is decided by BS in advance.)
Figure 23. The order of advanced switch start
※It is possible in the block in the same BS that switching is started at the same timing.
■Transmitting example 5
2
The timing of the switching start follows the figure of the former page though there is no restriction of the I C BUS data
transmitting timing as it explained in the former knot even if it is related to the transmission to several blocks.
Therefore, it isn’t based on the data transmitting order, and an actual switching turn becomes the turn of the upper figure.
(Transmitting example 6)
Each block data is being transmitted with the transmitting example 5 separately. But, it becomes the same result even if
data are transmitted in bulk.)
slave select
(FaderF1
I2C BUS
80
28
data
AKS
0dB)
(FaderR1
20
80
2A
0dB)
80
(FaderS1
80
2C
0dB)
80
Start after advanced switch of
FaderF1
Start after advanced switch of
FaderR1
Advanced switch tim e
Fader F1 switch time
F1 out put
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R1 output
Fader R1 switch time
Fader S1 switch time
Fader S1 switch time
S1 output
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■Transmitting example 6)
Switching of the next BS is done after the present switching completion when an actual switching order is different from
the transmitting order, and data except for the same BS are transmitted at the timing when advanced switch movement
isn’t finished.)
slave select
data
(FaderF1 0dB)
80
I2C BUS
28
(FaderS1 0dB)
80
80
2C
(FaderR1 0dB)
80
80
2A
80
Advanced switch time
Fader F1 switch time
Fader R1 switch time
Fader S1 switch time
The case that the same BS3 and BS2 were transmitted during BS1 switching is shown with the next example.
(Transmitting example 7)
■Transmitting example 7
The different d a ta (TRE) of the same on e g roup in advan ced switch in (R1 ) a re tra nsmitted.
BS1
(Fa derF1
80
I2C BUS
28
BS3
(Treble +6 dB)
0dB)
80
80
57
06
BS2
(Fa de rR1
80
2A
0dB)
The d ata (S1) of the next gro up are tran smitte d in su ccession.
80
R 1 b uilt-in buffer
6dB
TR E built-in b uffe r
0dB re ceive d -8 ->0d B
0dB receive d fro m buffer
–IN F->0 dB
6 dB receive d fro m b uffer
0dB->+6dB
Ad vanced switch tim e
FaderF1 switch time
Fa derR1 switch time
Treb le switch time
2-4.About Gain switch of TONE(Bass/Middle/Treble)
It becomes two-step transition movement that it passed through 0dB 【 Gain of Bass/Middle/Treble 】 to prevent the
occurrence of the switching noise when Gain is changed from boost to the cut (or, from the cut, boost). And, when boost/cut
doesn’t change, it is the same as 【 2-2 】 【 2-3 】. But, it is in the same way as other switching as advanced switch
switching time.)
■Transmitting example 8
When it is changed Bass+15dB from Bass-15dB. (Initial : Bass -15dB)
(BA S + 15dB )
I2
I2C
C B
BUS
US
80
51
0F
T soft=setup time× 2
A dvan ced switch tim e
Bass sw itch tim e
-15dB -> 0dB
Bass switch tim e
0dB -> +15dB
Bass ou tput
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【3】About advanced switch of MUTE
Advanced switch of MUTE is controllable independently of other advanced switch.
There is no regulation about the timing to which MUTE is applied, and the timing to cancel.
■Transmitting example 9
Normal
MUTE ON/OFF
（MUTE ON）
I2C BUS
80
02
(MUTE OFF)
80
01
02
00
Advanced switch time
MUTE switch time
■Transmitting example 10
The movement when it was canceled earlier than advanced switch time of MUTE
(MUTE OFF)
（MUTE ON）
I2C BUS
80
02
MUTE switch time
01
80
02
00
Advanced switch time
MUTE switch time
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BD37033FV-M
Advanced switch transmitting timing list
(1) 【 MUTE 】
Stand-by advanced switch
working advanced switch
Data transfer timing
No constraint
No constraint
Operation start timing
After send data
After send data
Advanced switch time
Tsoft_MUTE※1
Tsoft_MUTE
(2) 【 VOL/FAD(F1,F2,R1,R2,S1,MIX_VOL(S2))/TONE(BAS,MID.TRE,LOUD) 】
Stand-by advanced switch
working advanced switch
Data transfer timing
No constraint
No constraint
Operation start timing
After send data
After finished current work
Advanced switch time
Tsoft※2
Tsoft
(3) 【 TONE
BOOST ⇔
CUT 】
Stand-by advanced switch
working advanced switch
Data transfer timing
No constraint
No constraint
Operation start timing
After send data
After finished current work
Advanced switch time
Tsoft
※3
Tsoft
※1
As for Tsoft,MUTE, mentioned advanced switch of MUTE movement time is expressed to the data format.
It is equivalent by the explanation in the body in one block.
※2
As for Tsoft, the time of two times of mentioned advanced movement time is expressed to the data format.
It changes to block it in the same way by the explanation in the body by the continuance twice.
※3
About Tsoft of TONE BOOST ⇔ CUT, advanced switch treatment time is in the same way as the switching time
of the above (※2) though two times hang on the movement time because this movement comes to switch that it
passes through 0dB automatically inside the IC.
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BD37033FV-M
Application Circuit Diagram
MUTE
8.5V
10uF
LRST
18
19
LOUT
10uF
0.1uF
OUTS2
20
21
22
10uF
23
OUTS1
10uF
10uF
10uF
24
OUTR2
OUTR1
OUTF2
SCL
10uF
27
10uF
SDA
25
GND
26
OUTF1
VCCL
VREF
28
17
16
15
I2C BUS LOGIC
★Mix
ON/OFF
■ Mix
+15～-79dB/1dB step
★Mix
ON/OFF
★Fader
★Mix
/ Fader
★Fader
★ no pop noise
■ Fader
+15～-79dB/1dB step
★ no pop noise
★Fader
★Fader
★Fader
■LPF:
Fc=55/85/120/160Hz
Pass
＋
LPF
■Loudness
0～-15dB/1dB step
Fo=400/800/2400Hz
★no pop noise
Hi_Cut 1/2/3/4
■3 Band P-EQ:
+15～-15dB/1dB step
★ no pop noise
＋
★ Loudness
★ 3band P-EQ
Bas:fo=60/80/100/120Hz
Bas:Q=0.5/1.0/1.5/2.0
Mid:fo=0.5/1/1.5/2.5kHz
Mid:Q=0.75/1.0/1.25/1.5
Tre:fo=7.5/10/12.5/15kHz
Tre:Q=0.75/1.25
★ MUTE
★ Volume
■ MUTE
★ no pop noise
LVM
100k
100k
1
2
100k
3
100k
100k
4
5
6
100k
100k
100k
7
■ Volume
+15～-79dB/1dB step
★no pop noise
■ InGain
+16～0dB/1dB step
★no pop noise
Mix Sel
Input Selector
100k
9
8
100k
100k
11
10
100k
100k
12
100k
14
13
1uF
1uF
1uF
EN1
EN2
EP2
MIN
EP1
DP2
DN
1uF
1uF
1uF
1uF
C2
DP1
1uF
C1
1uF
1uF
B2
B1
1uF
1uF
A2
A1
1uF
1uF
Figure 24. Application Circuit Diagram
Unit
R : [ Ω]
C : [F]
Notes on wiring
① Please connect the decoupling capacitor of a power supply in the shortest distance as much as possible to GND.
② Lines of GND shall be one-point connected.
③ Wiring pattern of Digital shall be away from that of analog unit and cross-talk shall not be acceptable.
④ Lines of SCL and SDA of I2C BUS shall not be parallel if possible. The lines shall be shielded, if they are adjacent to each other.
⑤ Lines of analog input shall not be parallel if possible. The lines shall be shielded, if they are adjacent to each other.
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BD37033FV-M
Thermal Derating Curve
About the thermal design by the IC
Characteristics of an IC have a great deal to do with the temperature at which it is used, and exceeding absolute maximum
ratings may degrade and destroy elements. Careful consideration must be given to the heat of the IC from the two
standpoints of immediate damage and long-term reliability of operation.
Reference data
SSOP-B28
Power Dissipation Pd(W)
1.5
Measurement condition: ROHM Standard board
board Size：70×70×1.6(㎣)
material：A FR4 grass epoxy board
(3% or less of copper foil area)
1.063W
1.0
θja = 117.6℃/W
0.5
0.0
0
25
50
75
85
100
125
150
Ambient Temperature Ta(℃)
Figure 25. Temperature Derating Curve
Note) Values are actual measurements and are not guaranteed.
Power dissipation values vary according to the board on which the IC is mounted.
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BD37033FV-M
Terminal Equivalent Circuit and Description
Terminal
Terminal
Terminal
No.
Name
Voltage
1
A1
2
A2
3
B1
4
B2
5
C1
6
C2
7
DP1
8
DN
9
DP2
10
EP1
11
EN1
12
EN2
13
EP2
14
MIN
Equivalent Circuit
Terminal Description
A terminal for signal input.
The input impedance of A to E is
100kΩ(typ).
VCC
4.15
100KΩ
GND
A terminal for external compulsory mute. If
terminal voltage is High level, the mute is
off. And if the terminal voltage is Low level,
the mute is on.
VCC
5V
250k
15
MUTE
－
1.65V
GND
A terminal for Level meter output.
The output impedance is 10kΩ(typ).
VCC
17
LOUT
10k
GND
A terminal for fader and Subwoofer output.
VCC
18
OUTS2
19
OUTS1
20
OUTR2
21
OUTR1
22
OUTF2
23
OUTF1
4.15
GND
The figure in the pin explanation and input/output equivalent circuit is reference value, it doesn’t guarantee the value.
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BD37033FV-M
Terminal
No.
Terminal
Name
Terminal
Voltage
Equivalent Circuit
Terminal Description
Power supply terminal.
24
VCC
8.5
2
A terminal for clock input of I C BUS
communication.
VCC
25
SCL
－
1.65V
GND
2
A terminal for data input of I C BUS
communication.
VCC
26
SDA
－
1.65V
GND
A terminal for level meter reset.
If terminal voltage is High level, the reset is
on. And if the terminal voltage is Low level,
the reset is off.
VCC
16
LRST
－
1.65V
100k
GND
Ground terminal.
27
GND
0
Voltage for reference bias of analog signal
system. The simple precharge circuit and
simple discharge circuit for an external
capacitor are built in.
VCC
28
VREF
4.15
12.5k
GND
The figure in the pin explanation and input/output equivalent circuit is reference value, it doesn’t guarantee the value.
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BD37033FV-M
Notes for use
1.Absolute maximum rating voltage
When it impressed the voltage on VCC more than the absolute maximum rating voltage, circuit currents increase
rapidly, and there is absolutely a case to reach characteristic deterioration and destruction of a device. In particular in
a serge examination of a set, when it is expected the impressing serge at VCC terminal (15pin), please do not
impress the large and over the absolute maximum rating voltage (including a operating voltage + serge ingredient
(around 14V)).
2.About a signal input part
1)In the signal input terminal, the constant setting of input coupling capacitor C(F) be sufficient input impedance
RIN(Ω) inside IC and please decide. The first HPF characteristic of RC is composed.
G[dB]
C[F]
0
RIN
[ Ω]
A(f)
SSH
F[Hz]
INPUT
A(f) =
(2πfCRIN) 2
1 + (2πfCRIN) 2
2) SHORT mode is the command which makes switch SSH =ON an input selector part and input impedance RIN of all
terminals, and makes resistance small. Switch SSH is OFF when not choosing a SHORT command.
A constant time becomes small at the time of this command twisting to the resistance inside the capacitor
connected outside and LSI. The charge time of a capacitor becomes short. Since SHORT mode turns ON the
switch of SSH and makes it low impedance, please use it at the time of a non-signal.
3.About Mute terminal(15pin) when power supply is off
Any voltage shall not be supplied to Mute terminal (15pin) when power-supply is off.
Please insert a resistor (about 2.2kΩ) to Mute terminal in series, if voltage is supplied to mute terminal in case.
(Please refer Application Circuit Diagram.)
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BD37033FV-M
Ordering Information
B
D
3
7
0
3
3
F
V
ME 2
Package
FV: SSOP-B28
Part Number
Packaging and forming specification
E2: Embossed tape and reel
(SSOP-B28)
Physical Dimension Tape and Reel Information
SSOP-B28
Tape
28
Quantity
15
2000pcs
E2
The direction is the 1pin of product is at the upper left when you hold
( reel on the left hand and you pull out the tape on the right hand
0.3Min.
1
)
14
0.15 ± 0.1
0.1
1.15 ± 0.1
Embossed carrier tape
Direction
of feed
5.6 ± 0.2
7.6 ± 0.3
<Tape and Reel information>
10 ± 0.2
(MAX 10.35 include BURR)
0.1
0.65
0.22 ± 0.1
1pin
Reel
(Unit : mm)
∗
Direction of feed
Order quantity needs to be multiple of the minimum quantity.
Marking Diagram(s)(TOP VIEW)
SSOP-B28(TOP VIEW)
Part Number Marking
BD37033FV
LOT Number
1PIN MARK
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Revision history
Date
Revision
3.APR.2013
001
Date
Revision
4.NOV.2013
002
4.NOV.2013
002
4.NOV.2013
002
4.NOV.2013
002
4.NOV.2013
002
Changes
New Release
Changes
All page
● delete
Page 2
< Sub Title>
Sound Processors for Car Audios ⇒ Analog Audio Processors series change.
<Feature>
AEC-Q100 Qualified add.
<Logo>
PbFree, RoHS delete
Page 3
Power Dissipation mW ⇒ W change.
Page 19
SelectAddress 47hex, middle ⇒ treble change.
Page 37
Ordering Information, E2 ⇒ ME2 change.
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Notice
Precaution on using ROHM Products
1.
If you intend to use our Products in devices requiring extremely high reliability (such as medical equipment (Note 1),
aircraft/spacecraft, nuclear power controllers, etc.) and whose malfunction or failure may cause loss of human life,
bodily injury or serious damage to property (“Specific Applications”), please consult with the ROHM sales
representative in advance. Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any
ROHM’s Products for Specific Applications.
(Note1) Medical Equipment Classification of the Specific Applications
JAPAN
USA
EU
CHINA
CLASSⅢ
CLASSⅡb
CLASSⅢ
CLASSⅢ
CLASSⅣ
CLASSⅢ
2.
ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3.
Our Products are not designed under any special or extraordinary environments or conditions, as exemplified below.
Accordingly, ROHM shall not be in any way responsible or liable for any damages, expenses or losses arising from the
use of any ROHM’s Products under any special or extraordinary environments or conditions. If you intend to use our
Products under any special or extraordinary environments or conditions (as exemplified below), your independent
verification and confirmation of product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2,
H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
4.
The Products are not subject to radiation-proof design.
5.
Please verify and confirm characteristics of the final or mounted products in using the Products.
6.
In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7.
De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual
ambient temperature.
8.
Confirm that operation temperature is within the specified range described in the product specification.
9.
ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
Precaution for Mounting / Circuit board design
1.
When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
2.
In principle, the reflow soldering method must be used; if flow soldering method is preferred, please consult with the
ROHM representative in advance.
For details, please refer to ROHM Mounting specification
Notice - SS
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.002
Datasheet
Precautions Regarding Application Examples and External Circuits
1.
If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the
characteristics of the Products and external components, including transient characteristics, as well as static
characteristics.
2.
You agree that application notes, reference designs, and associated data and information contained in this document
are presented only as guidance for Products use. Therefore, in case you use such information, you are solely
responsible for it and you must exercise your own independent verification and judgment in the use of such information
contained in this document. ROHM shall not be in any way responsible or liable for any damages, expenses or losses
incurred by you or third parties arising from the use of such information.
Precaution for Electrostatic
This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please take proper
caution in your manufacturing process and storage so that voltage exceeding the Products maximum rating will not be
applied to Products. Please take special care under dry condition (e.g. Grounding of human body / equipment / solder iron,
isolation from charged objects, setting of Ionizer, friction prevention and temperature / humidity control).
Precaution for Storage / Transportation
1.
Product performance and soldered connections may deteriorate if the Products are stored in the places where:
[a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2
[b] the temperature or humidity exceeds those recommended by ROHM
[c] the Products are exposed to direct sunshine or condensation
[d] the Products are exposed to high Electrostatic
2.
Even under ROHM recommended storage condition, solderability of products out of recommended storage time period
may be degraded. It is strongly recommended to confirm solderability before using Products of which storage time is
exceeding the recommended storage time period.
3.
Store / transport cartons in the correct direction, which is indicated on a carton with a symbol. Otherwise bent leads
may occur due to excessive stress applied when dropping of a carton.
4.
Use Products within the specified time after opening a humidity barrier bag. Baking is required before using Products of
which storage time is exceeding the recommended storage time period.
Precaution for Product Label
QR code printed on ROHM Products label is for ROHM’s internal use only.
Precaution for Disposition
When disposing Products please dispose them properly using an authorized industry waste company.
Precaution for Foreign Exchange and Foreign Trade act
Since our Products might fall under controlled goods prescribed by the applicable foreign exchange and foreign trade act,
please consult with ROHM representative in case of export.
Precaution Regarding Intellectual Property Rights
1.
All information and data including but not limited to application example contained in this document is for reference
only. ROHM does not warrant that foregoing information or data will not infringe any intellectual property rights or any
other rights of any third party regarding such information or data. ROHM shall not be in any way responsible or liable
for infringement of any intellectual property rights or other damages arising from use of such information or data.:
2.
No license, expressly or implied, is granted hereby under any intellectual property rights or other rights of ROHM or any
third parties with respect to the information contained in this document.
Other Precaution
1.
This document may not be reprinted or reproduced, in whole or in part, without prior written consent of ROHM.
2.
The Products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written
consent of ROHM.
3.
In no event shall you use in any way whatsoever the Products and the related technical information contained in the
Products or this document for any military purposes, including but not limited to, the development of mass-destruction
weapons.
4.
The proper names of companies or products described in this document are trademarks or registered trademarks of
ROHM, its affiliated companies or third parties.
Notice - SS
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.002
Datasheet
General Precaution
1. Before you use our Pro ducts, you are requested to care fully read this document and fully understand its contents.
ROHM shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny
ROHM’s Products against warning, caution or note contained in this document.
2. All information contained in this docume nt is current as of the issuing date and subj ect to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the la test information with a ROHM sale s
representative.
3.
The information contained in this doc ument is provi ded on an “as is” basis and ROHM does not warrant that all
information contained in this document is accurate an d/or error-free. ROHM shall not be in an y way responsible or
liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or
concerning such information.
Notice – WE
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.001