M61508FP
The Electric Volume of Built-in Non Fader Volume with Tone
Control
REJ03F0203-0201
Rev.2.01
Mar 31, 2008
Application
• This IC can be used Analog Signal processing of Power Amp. front stage
• This IC can be used Car Audio System, Home Audio System and TV.
Features
• This IC is unnecessary for outside putting CR by using SCF for Loudness and Tone Control.
Bass: +16 dB to –12 dB/2 dBstep. f0, Q = variable. f0 = 50 Hz, 80 Hz, 120 Hz Q = 1, 1.25, 1.5, 2
Mid: +12 dB to –12 dB/2 dBstep. f0, Q = variable. f0 = 700 Hz, 1 kHz, 2 kHz, 10 kHz Q = 1.5, 2
Treble: +12 dB to –12 dB/2 dBstep. f0 = variable. f0 = 8 kHz, 12 kHz
Loudness: f0 = variable. f0 = 60 Hz, 80 Hz, 100 Hz
• Built-in Non Fader Volume
+12 dB to –12 dB/2 dB step, –∞ dB
• Built-in Zero-Crossing Detector Circuit for Changing Noise Measure.
• Built-in Differential Input and Differential Output
• Built-in Input Selector (4 input + Differential Input)
• Built-in Input Gain Control
0 dB to +18.75 dB/1.25 dB step
• Built-in Master Volume and Fader Volume (Front, Rear)
Volume: 0 dB to –83 dB, –∞ dB/1 dB step
Fader: 0 dB, –1 dB, –2 dB, –3 dB, –4 dB, –6 dB, –8 dB, –12 dB, –16 dB, –20 dB, –30 dB, –45 dB, –60 dB,
–∞ dB/16 step
• Serial Data Control of 2 lines formula.
Recommended Operating Conditions
Supply voltage range… VCC = 7 V to 9 V
VDD = 4.5 V to 5.5 V
Rated supply voltage… VCC = 8 V
VDD = 5 V
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 1 of 24
M61508FP
System Block Diagram
DEFN
OUT2
DEFP
IN2
DEFN
IN2
Differential
Amp.
Volume1
–
Fader
Volume2
Loudness
Bass/Mid/
Treble
+
Front
Rear
INA2
Non Fader
INB2
Input Gain Control
INC2
IND2
Zero-Cross Detector Circuit
Zero-Cross Detector Circuit
IND1
INC1
Input Gain Control
DATA
Interface
CLOCK
Non
Fader
Non Fader
Volume1
INA1
DEFP
IN1
µ-com
Master Volume is composed of Volume1 and
Volume2
INB1
DEFN
IN1
Non
Fader
Master Volume is composed of Volume1 and
Volume2
Differential
Amp.
–
+
Volume2
Loudness
Bass/Mid/
Treble
Fader
Rear
Front
DEFN
OUT1
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 2 of 24
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 3 of 24
DEFP
IN1
3
4
2.2 µ
50 k
INA1
25.5 k
+
–
DEFN
IN1
51 k
25.5 k
REF
+
25.5 k
50 k
33
2.2 µ
INB1
5
50 k
50 k
32
2.2 µ
INB2
2.2 µ
INC1
6
50 k
50 k
31
2.2 µ
INC2
–
+
+
–
29
8
9
28
10
27
2.2 µ
DEFN DEFP
OUT1 OUT1
2.2 µ
IND1
7
50 k
50 k
30
2.2 µ
DEFN DEFP
OUT2 OUT2
2.2 µ
IND2
(BASS/MID/TREBLE)
LOUDNESS
+
3BAND TONE
CONTROL
ZERO CROSS
DETECTOR
ZERO CROSS
DETECTOR
(BASS/MID/TREBLE)
LOUDNESS
+
3BAND TONE
CONTROL
11
A
B
B
A
26
2.2 µ
2.2 µ
+
–
12
–
+
24
13
14
23
15
22
21
I/F
16
GND
DATA IN
17
TIMER
DETECTOR
SOFT
CHANGING
20
CLOCK IN
VDD
(Digtal Power
supply)
RROUT1 FROUT1 NFOUT1
Zero-Cross
Detector
Changing SW
25
VDD = 5 V
RROUT2 FROUT2 NFOUT2
12 dB
10 µ
51 k
+
–
25.5 k
51 k
34
2.2 µ
INA2
12 dB
1
30 k
30 k
51 k
2
35
(Analog Power
supply)
VCC
36
VCC = 8 V
DEFN
IN2
+
–
+
–
DEFP
IN2
NC
18
19
NC
M61508FP
IC Internal Block Diagram
M61508FP
Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Symbol
REF
DEFP IN1
DEFN IN1
INA1
INB1
INC1
IND1
DEFN OUT1
SEL OUT1
VOL IN1
TONE OUT1
FADER IN1
REAR OUT1
FRONT OUT1
Non Fader OUT1
GND
DATA
N.C.
N.C.
CLOCK
VDD
Non Fader OUT2
FRONT OUT2
REAR OUT2
FADER IN2
TONE OUT2
VOL IN2
SEL OUT2
DEFN OUT1
IND2
INC2
INB2
INA2
DEFN IN1
DEFP IN1
VCC
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 4 of 24
Function
Signal Ground of IC. Grounding about 10 μF
Positive Input pin of Differential Amp.
Negative Input pin of Differential Amp.
Input pin of Channel 1 for Input Selector SW
Output pin (–) of Differential Amp.
Output pin of Input Selector
Input pin of Volume1
Output pin of Tone
Input pin of Volume2
Output pin of Fader Volume (rear)
Output pin of Fader Volume (front)
Output pin of Non Fader Volume
Ground Pin
Input pin of Control Data.
It synchronized at CLOCK and inputted Data
N.C. Pin
N.C. Pin
Clock Input pin for Serial Data Transmission
Digital Power Supply pin
Output pin of Non Fader Volume
Output pin of Fader Volume (front)
Output pin of Fader Volume (rear)
Input pin of Volume2
Output pin of Tone
Input pin of Volume1
Output pin of Input Selector
Output pin (–) of Differential Amp.
Input pin of Channel 2 for Input Selector SW
Negative Input pin of Differential Amp.
Positive Input pin of Differential Amp.
Analog Power Supply pin
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 5 of 24
51 k
50 k
50 k
50 k
50 k
25.5 k
–
+
25.5 k
–
+
Input Selector
(4 Input + Differential Input)
12
–
+
Fader Volume
(Soft changing)
Volume 2
0 dB to –62 dB/2 dBstep, –∞ dB
11
+
–
8
9
–
+
–
+
REAR OUT1
13
Loudness Volume
DEFN OUT1
10
–
+
–
+
FRONT OUT1
14
SCF filter
for MID
12 dB
–
+
15
B
A
Soft Changing
A : Bypass Output
B : Tone Output
SCF filter
for
TREBLE
Each changing Is Soft
changing (Gain)
SCF filter
for BASS
Soft Changing
A : Loudness ON
B : Loudness OFF
A
B
Non-Fader OUT1
Non Fader Volume (Soft Changing)
Atlenuation : +12 dB to –12 dB/2 dBstep, –∞ dB
SCF filter for
LOUDNESS
Maximum Output Voltage =1.8 Vrms
(Built-in clamp circuit)
Volume 1
0 dB to –31 dB/1 dBstep
Input Gain Control
0dB to +18.75 dB
1.25 dBstep
–
+
Maximum Output Voltage = 1.8 Vrms
(Built-in clamp circuit)
Maximum Input
Voltage = 1.8 Vrms
(Built-in clamp circuit)
7
6
5
4
3
2
51 k
M61508FP
Signal Communication Diagram (Channel 1 side only)
M61508FP
Electrical Characteristics
(Ta = 25 °C, VCC = 8 V, VDD = 5 V, Input Gain/Volume/Tone/fader = 0 dB, Loudness = OFF, unless otherwise noted.)
Symbol
ICC
Gv
ATT (VOL)
Min
—
–2
—
Limits
Typ
—
0
–90
ΔATT (VOL)
VIM
–2
—
0
—
+2
1.8
dB
Vrms
G (Bass) B
G (Bass) C
G (MID) B
G (MID) C
G (Tre) B
G (Tre) C
ATT (FED)
13
–15
9
–15
9
–15
—
16
–12
12
–12
12
–12
–90
19
–9
15
–9
15
–9
–80
dB
dB
dB
dB
dB
dB
dB
Maximum input voltage
VOM
1.8
—
—
Vrms
Output noise voltage
Vno 1
Vno 2
—
—
12
5
—
—
μVrms
Vno 3
—
3.5
—
Total harmonic distortion
THD
—
0.01
0.05
%
Channel separation
Input selector crosstalk
Loudness voltage gain
CS
CT
Gv (LOUD)
—
—
10
–90
–75
13
–75
–60
16
dB
dB
dB
Input gain control
Gv (GAIN)
15.75
18.75
21.75
dB
Common mode rejection
ratio
CMRR
—
50
—
dB
Item
Circuit current
Pass gain
Volume maximum
Attenuation quantity
Crosstalk between Channels
Maximum input voltage
Boost quantity (Bass)
Cut quantity (Bass)
Boost quantity (Mid)
Cut quantity (Mid)
Boost quantity (Treble)
Cut quantity (Treble)
Fader maximum attenuation
quantity
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 6 of 24
Max
40
+2
–80
Unit
mA
dB
dB
Test Conditions
No signal setting
—
Vi = 1 Vrms, f = 1 kHz
ATT (VOL) = –∞ dB
ATT (VOL) = 0 dB
f = 1 kHz, DIN-AUDIO
THD = 1%
f = 100 Hz
f = 100 Hz
f = 1 kHz
f = 1 kHz
f = 10 kHz
f = 10 kHz
Vi = 1 Vrms, f = 1 kHz, DIN-AUDIO
ATT (FED) = –∞ dB
f = 1 kHz, DIN-AUDIO
THD = 1%
Rg = 0, DIN-AUDIO
Bypass setting
Rg = 0, DIN-AUDIO
ATT (VOL) = –∞ dB
Rg = 0, DIN-AUDIO
f = 1 kHz, V0 = 0.5 Vrms
BW : 400 Hz to 30 kHz
f = 1 kHz, DIN-AUDIO
f = 1 kHz, DIN-AUDIO
Loudness ON, f = 100 Hz
VOL1 = –30 dB, VOL2 = 0 dB
LOUD_VOL = –20 dB
Gv (GAIN) = +18.75 dB
2, 3 pin/34, 35 pin
Common mode signal input setting
M61508FP
Connection of Data and Clock
CLOCK
D0
D1
D2
D3
D32
D33
D34
DATA
Latch signal "H"
Data signals are read at rising edges of Clock.
Latch signals are read at rising edges of Clock.
Digital Block Direct Current Characteristic
Item
"L" Level Input Voltage
"H" Level Input Voltage
"L" Level Input Electric Current
"H" Level Input Electric Current
Symbol
VIL
VIH
IIL
IIH
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 7 of 24
Min
0
4.0
–10
—
Limits
Typ
Max
Unit
V
VDD = 5 V setting
DATA, CLOCK Pin
—
—
1.0
5.0
10
10
μA
V=0V
V=5V
Test Conditions
DATA,
CLOCK Pin
M61508FP
Clock and Data Timing
tcr
75%
CLOCK
25%
tr
tf
tWHC
tWLC
DATA
tSD
tHD
Digital Block Alternating Current Characteristic
Item
CLOCK Cycle Time
CLOCK Pulse Width ("H" level)
CLOCK Pulse Width ("L" level)
CLOCK Rise Time
CLOCK Hall Time
DATA Setup Time
DATA Hold Time
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 8 of 24
tcr
tWHC
tWLC
tr
Min
4
1.6
1.6
—
Limits
Typ
—
—
—
—
Max
—
—
—
0.4
tf
tSD
tHD
—
0.8
0.8
—
—
—
0.4
—
—
Symbol
Unit
μs
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 9 of 24
MID
0
0
0
0
0
0
0/1 0/1
0
0
0
0
0/1
0
0/1
0
0
Non Fader
(ATT)
0
Timer
Setting
0
0
0
0
0
0
Loudness 0/1
f0 Control
0
0
1
0
0
Zero-cross Detector Changing Saw
0: Front Step Detector (9 pin, 28 pin)
1: Back Step Detector (11 pin, 26 pin)
Fader Output
Front/Rear changing
0: Front
1: Rear
Fader
0
LOUDNESS
Bypass
0: Bypass Output
1: Tone Output
Treble
f0 Control
0
Input Gain
Control
TREBLE
Mid
Q Control
Mid
0/1
f0 Control
0
Input
Selector
Note: Data transmission (Rewriting) of D33 = 1, D34 = 0 setting, put 100 ms interval and data transmission
Bass
Bass
f0 Control Q Control
Volume 2 (CH2)
Volume 2 (CH1)
Bass
Volume 1 (CH2)
Volume 1 (CH1)
0
1
0
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34
Data Transmission Direction
DATA SELECT (D33, D34)
00: Volume 1/Input Selector/Input Gain Control/Loudness Gain
01: Volume 2
10: Fader/Non Fader/Bass/Mid/Treble/Loudness ON/OFF
Loudness
ON/OFF
0: OFF
1: ON
M61508FP
Data Input Format
M61508FP
Volume 1 Code
CH1
ATTVA1
CH2
0 dB
–1 dB
–2 dB
–3 dB
–4 dB
–5 dB
–6 dB
–7 dB
–8 dB
–9 dB
–10 dB
–11 dB
–12 dB
–16 dB
–20 dB
–24 dB
–28 dB
D0
D7
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D1
D8
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D2
D9
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D3
D10
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
D4
D11
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CH1
ATTVA2 CH2
0 dB
–1 dB
–2 dB
–3 dB
D5
D12
1
0
1
0
D6
D13
1
1
0
0
ATTVA2 fixed to 0 dB
when 0 dB to –12 dB setting.
Volume 2 Code
ATTVB1
0 dB
–2 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
–14 dB
–16 dB
–24 dB
–32 dB
–40 dB
–48 dB
–56 dB
–∞ dB
CH1
CH2
D0
D6
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D1
D7
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D2
D8
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D3
D9
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Timer Setting Code
Timer
5 ms
10 ms
15 ms
D25
1
0
1
D26
1
1
0
20 ms
0
0
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 10 of 24
CH1
ATTVB2
CH2
0 dB
–2 dB
–4 dB
–6 dB
D4
D10
1
0
1
0
ATTVB2 fixed to 0 dB
when 0 dB to –16 dB setting.
D5
D11
1
1
0
0
M61508FP
Tone Code
Loudness Volume Code
Mid
Treble
12 dB
10 dB
8 dB
6 dB
4 dB
2 dB
0 dB
–2 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
D8
D15
0
1
0
1
0
1
0
1
0
1
0
1
0
D9
D16
1
0
0
1
1
0
0
0
1
1
0
0
1
D10
D17
1
1
1
0
0
0
0
0
0
0
1
1
1
D11
D18
0
0
0
0
0
0
0/1
1
1
1
1
1
1
Bass
16 dB
14 dB
12 dB
10 dB
8 dB
6 dB
4 dB
2 dB
0 dB
–2 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D1
0
1
1
0
0
1
1
0
0
0
1
1
0
0
1
D2
0
1
1
1
1
0
0
0
0
0
0
0
1
1
1
D3
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
Loudness
–2 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
–14 dB
–16 dB
–18 dB
–20 dB
–22 dB
–24 dB
–26 dB
–28 dB
–30 dB
–∞ dB
D21
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D22
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D23
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D24
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Please refer to 21, 22 page for Loudness gain setting.
Loudness f0 Control
Loudness f0 Control
f0 = 60 Hz
f0 = 80 Hz
f0 = 100 Hz
D30
1
0
1
D31
1
1
0
Tone f0, Q Control Code
Bass f0 Control
f0 = 50 Hz
f0 = 80 Hz
f0 = 120 Hz
D4
1
0
1
D5
1
1
0
Mid f0 Control
f0 = 700 Hz
f0 = 1 kHz
f0 = 2 kHz
f0 = 10 kHz
D12
1
0
1
0
Bass Q Control
Q=2
Q = 1.5
Q = 1.25
Q=1
D6
1
0
1
0
D7
1
1
0
0
Mid Q Control
Q = 1.5
Q=2
D14
1
0
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 11 of 24
D13
1
1
0
0
Treble f0 Control
f0 = 8 kHz
f0 = 12 kHz
D19
1
0
M61508FP
Selector Code
Selector
INA
INB
INC
IND
Differential Input
Non Fader Code
D14
0
1
0
1
0
D15
0
1
1
0
0
D16
1
0
0
0
0
ATT
+12 dB
+10 dB
+8 dB
+6 dB
+4 dB
+2 dB
0 dB
–2 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
–∞ dB
Input Gain Control Code
D26
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D27
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D28
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D29
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Fader Code
Input Gain Control
D17
D18
D19
D20
0 dB
1.25 dB
2.50 dB
3.75 dB
5.00 dB
6.25 dB
7.50 dB
8.75 dB
10.00 dB
11.25 dB
12.50 dB
13.75 dB
15.00 dB
16.25 dB
17.50 dB
18.75 dB
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 12 of 24
Fader
0 dB
–1 dB
–2 dB
–3 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
–14 dB
–16 dB
–20 dB
–30 dB
–45 dB
–60 dB
–∞ dB
D21
D22
D23
D24
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
M61508FP
Loudness, Tone Control Frequency Characteristic
Figure 1 Loudness Frequency Characteristic
0.0
VOL1 = –5 dB VOL2 = 0 dB LOUD VOL = –20 dB
VOL1 = –10 dB VOL2 = 0 dB LOUD VOL = –20 dB
VOL1 = –15 dB VOL2 = 0 dB LOUD VOL = –20 dB
VOL1 = –20 dB VOL2 = 0 dB LOUD VOL = –20 dB
VOL1 = –25 dB VOL2 = 0 dB LOUD VOL = –20 dB
VOL1 = –30 dB VOL2 = 0 dB LOUD VOL = –20 dB
–10
(dBV)
–20
–30
VOL1 = –30 dB VOL2 = –6 dB LOUD VOL = –20 dB
–40
VOL1 = –30 dB VOL2 = –12 dB LOUD VOL = –20 dB
VOL1 = –30 dB VOL2 = –18 dB LOUD VOL = –20 dB
–50
VOL1 = –30 dB VOL2 = –24 dB LOUD VOL = –20 dB
VOL1 = –30 dB VOL2 = –30 dB LOUD VOL = –20 dB
–60
–70
10
100
1k
Frequency
10 k
100 k
Figure 2 Loudness Frequency Characteristic (VOL = –30 dB, Loudness = –20 dB, f0 = Variable)
–15.0
–17.0
–19.0
(dBV)
–21.0
–23.0
–25.0
–27.0
–29.0
–31.0
10
100
1k
Frequency
10 k
100 k
Figure 3 Bass Frequency Characteristic (f0 = 50 Hz, Q = 2, Gv = Variable)
20
(dBV)
10
0.0
–10
–20
10
100
1k
Frequency
10 k
100 k
Figure 4 Bass Frequency Characteristic (Gv = +16 dB, f0 = Variable, Q = 2)
20
(dBV)
10
0.0
–10
–20
10
100
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 13 of 24
1k
Frequency
10 k
100 k
M61508FP
Figure 5 Bass Frequency Characteristic (Gv = +16 dB, Q = Variable, f0 = 50 Hz)
20
(dBV)
10
0
–10
–20
10
100
1k
Frequency
10 k
100 k
Figure 6 Mid Frequency Characteristic (f0 = 1 kHz, Q = 2, Gv = Variable)
20
(dBV)
10
0
–10
–20
10
100
1k
Frequency
10 k
100 k
Figure 7 Mid Frequency Characteristic (Gv = +12 dB, Q = 2, f0 = Variable)
20
(dBV)
10
0
–10
–20
10
100
1k
Frequency
10 k
100 k
Figure 8 Mid Frequency Characteristic (Gv = +12 dB, f0 = 1 kHz, Q = Variable)
20
(dBV)
10
0
–10
–20
10
100
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 14 of 24
1k
Frequency
10 k
100 k
M61508FP
Figure 9 Treble Frequency Characteristic (Gv = Variable)
20
(dBV)
10
0.0
–10
–20
10
100
1k
Frequency
10 k
100 k
Figure 10 Treble Frequency Characteristic (Gv = +12 dB, f0 = Variable)
20
(dBV)
10
0.0
–10
–20
10
100
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 15 of 24
1k
Frequency
10 k
100 k
M61508FP
Zero-Crossing Detection Circuit
1. Meaning of Zero-Crossing Detection Circuit
In the conventional Serial Data Control Type Volume, Analog SW inside switches over simultaneously with Latch
Condition Detector. And the operation completes.
CLK
D32
D33
D34
Latch Conditions
DATA
Audio Signal
Noise Factor when
Signal is present
Signal GND (1/2VCC)
In this case the changing noise occurs at the time of Latch Condition Detector, the Analog SW switches over (Zerocross Detector Strobe occurs) in the moment that the Analog Signal cross Signal Ground (1/2VCC).
CLK
D32
D33
D34
Latch Conditions
DATA
Zero-cross Detector Strobe
(Form signal from inside IC)
Analog SW changing
Signal GND (1/2VCC)
Other, In the case of Audio Signal isn't inputted (No signal), even if only Zero-cross Detector Circuit detects Latch
Condition, Analog SW doesn't switch over for the Audio Signal never cuts Signal Ground (1/2VCC).
The Time Function switches the Analog SW after some time T.
The Timer Time can setting with the Serial Data of 5 ms, 10 ms, 15 ms, 20 ms.
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 16 of 24
M61508FP
2. Connection of Zero-Crossing Detector and Timer Setting
"OR" of [Zero-cross Detector Strobe] or [Compulsion SW of Timer Circuit] moves Internal Analog SW. When for
example, suppose that it set to T = 10 ms.
T = 10 ms
CLK
D32
D33
D34
Latch Conditions
DATA
Pattern 1
Zero-cross Detector Strobe
(Form signal from insaide IC)
Audio Signal
SW Changing
Pattern 2
Zero-cross Detector Strobe
(Form signal from inside IC)
Audio Signal
SW Changing
In case of Pattern 1, the Zero-cross Detector Strobe occurs with the Zero-cross Detector Function, and SW is switched.
But in case of Pattern 2, the Timer Function switches the Analog SW after T = 10 ms, for the Audio Input Signal didn't
cut the Signal Ground after T = 10 ms which were set with the timer.
Timer Setting Time setting for Frequency band of Input Audio Signal.
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 17 of 24
M61508FP
3. Timer Setting System
T = 10 ms
CLK
Latch
Conditions
D34
DATA
1
f=
1
2•T
=
2 • 10 ms
= 50 Hz
Audio Signal
In case of Timer Setting Time/T = 10 ms setting
Audio Signal
Zero-cross Detector
50 Hz <
100%
Upper fig.
100%
Pattern 1
0%
Pattern 2
50 Hz >
T = 10 ms
CLK
D34
Latch
Conditions
DATA
Pattern 1
Audio Signal
f = 30 Hz
Pattern 2
Audio Signal
f = 30 Hz
The Timer Setting Time T makes T = 20 ms (Zero-cross detect of 25 Hz is 100%) maximum and it is setting by it.
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 18 of 24
M61508FP
4. Connection of Data Transmission and Timer Setting
M61508FP has the function to make the Serial Data invalid until it generation the Zero-cross Detector Strobe in IC,
after the Latch Condition detected.
Timer Setting T
Latch
Conditions
Latch Conditions
CLK
D0
to
D33
D34
D0
"A"
to
D33
D34
"B"
DATA
Serial Data Transmission Interval IT
Zero-cross Detector Strobe
(Form signal from insaide IC)
Audio Signal
SW Changing for DATA "A"
* In case of upper figurative. The order of DATA "B" is invalid.
In to make the Serial Data Transmission Interval IT from MCU (microcomputer) to M61508FP
Serial Data Transmission Interval = IT > Timer Setting = T
the reading error of the data doesn't occur.
* Serial Data Transmission Interval IT = Interval of between Latch Condition and Latch Condition
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 19 of 24
M61508FP
The Others
1. Differential Amp.
The lower fig. is Equalizing Circuit, Output Signal/Output Voltage of each point.
8 pin Output Signal
1.5 Vrms
Differential Amp. Output Signal
2 pin Input Signal
1.5 Vrms
–
8
25.5 k
1.5 Vrms
51 k
2
+
+
Differential
Amp.
–
+
9
–
3
51 k
1.5 Vrms
25.5 k
1.5 Vrms
3 pin Input Signal
9 pin Output Signal
Input Gain Control = 0 dB
Differential Amp. Gain Calculation Formula
R2
R1
Vin1
Vout =
+
Vout
–
Vin2
R1
R2
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 20 of 24
R2
R1
Gv = 20 log
(Vin1 – Vin2)
R2
R1
M61508FP
2. Loudness Gain Setting
Lower Figure is Structure of Loudness Circuit.
VIN
10
+
V1
R
+
VOUT
–
–
VOLUME 1
R
+
LOUDNESS
FILTER
(Gv = 0 dB)
–
V2
R
R
LOUDNESS VOLUME
Output Voltage (VOUT) of Setting Structure of Upper Figure
It is noted as Volume 1 Output Voltage = V1, Loudness Filter Output Voltage = V2, VOUT and Gv (Boost quantity) is
given at the lower formula
VOUT = V1 + V2 (Vrms)
Gv = 20 log
(V1 + V2)
– (Volume 1 attenuation quantity) (dB)
VIN
ex.) VIN = 1 Vrms/60 Hz, Volume1 = –30 dB,
Output Volutage and Boost Quantity of 60 Hz of Loudness Volume = –20 dB setting
If the sub situdes the equation for the upper formula,
the following equation is given,
VOUT = 31.6 m + 100 m
= 131.6 mVrms
Gv = 20 log
Gain (dB)
From: Volume1, Loudness Volume attenuation quantity
Become: V1 = 31.6 mVrms
V2 = 100 mVrms
Gv
Volume 1 = –30 dB
Frequency (Hz)
(31.6 m + 100 m)
– (–30 dB)
1
=12.4 dB is obtained
In the item, the Loudness Gain Setting example is shown, when Volume 1 fixation and doing the Loudness Volume
variably. Please refer to Plan.
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 21 of 24
M61508FP
Loudness Gain Setting Example
1. Volume 1 = –10 dB
10
0
–10
(dBV)
Loudness Loudness
Volume
Gain
–2 dB
10.9 dB
–4 dB
9.5 dB
–6 dB
8.2 dB
–8 dB
7.1 dB
–10 dB
6.0 dB
–12 dB
5.1 dB
–14 dB
4.2 dB
–16 dB
3.5 dB
–18 dB
2.9 dB
–20 dB
2.4 dB
–22 dB
1.9 dB
–24 dB
1.6 dB
–26 dB
1.3 dB
–28 dB
1.0 dB
–30 dB
0.8 dB
–∞ dB
0 dB
–20
–30
–40
10
100
1k
Frequency
10 k
100 k
10
100
1k
Frequency
10 k
100 k
2. Volume 1 = –20 dB
Loudnes
s Gain
19.0 dB
17.3 dB
15.6 dB
13.9 dB
12.4 dB
10.9 dB
9.5 dB
8.2 dB
7.1 dB
6.0 dB
5.1 dB
4.2 dB
3.5 dB
2.9 dB
2.4 dB
0 dB
10
0
–10
(dBV)
Loudness
Volume
–2 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
–14 dB
–16 dB
–18 dB
–20 dB
–22 dB
–24 dB
–26 dB
–28 dB
–30 dB
–∞ dB
–20
–30
–40
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 22 of 24
M61508FP
3. Volume 1 = –30dB
10
0
–10
(dBV)
Loudness Loudness
Volume
Gain
–2 dB
28.3 dB
–4 dB
26.4 dB
–6 dB
24.5 dB
–8 dB
22.7 dB
–10 dB
20.8 dB
–12 dB
19.0 dB
–14 dB
17.3 dB
–16 dB
15.6 dB
–18 dB
13.9 dB
–20 dB
12.4 dB
–22 dB
10.9 dB
–24 dB
9.5 dB
–26 dB
8.2 dB
–28 dB
7.1 dB
–30 dB
6.0 dB
–∞dB
0 dB
–20
–30
–40
10
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 23 of 24
100
1k
Frequency
10 k
100 k
M61508FP
Package Dimensions
JEITA Package Code
P-SSOP36-8.4x15-0.80
RENESAS Code
PRSP0036GA-A
Previous Code
36P2R-A
MASS[Typ.]
0.5g
E
19
*1
HE
36
F
NOTE)
1. DIMENSIONS "*1" AND "*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION "*3" DOES NOT
INCLUDE TRIM OFFSET.
1
18
Index mark
c
*2
D
A1
A
A2
*3
y
bp
L
e
Detail F
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
Page 24 of 24
Reference Dimension in Millimeters
Symbol
D
E
A2
A
A1
bp
c
HE
e
y
L
Min Nom Max
14.8 15.0 15.2
8.2 8.4 8.6
2.0
2.4
0.05
0.35 0.4 0.5
0.13 0.15 0.2
0°
10°
11.63 11.93 12.23
0.65 0.8 0.95
0.15
0.3 0.5 0.7
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