M62446AFP
6ch Electronic Volume with Tone Control
REJ03F0212-0201
Rev.2.01
Mar 31, 2008
Description
The M62446AFP is 6ch electronic volume with tone control. This IC is revised from M62446FP. The extended
function of M62446AFP is volume level and tone control level. M62446AFP is easy to use more than M62446FP.
Features
• 6ch Electric volume
Volume level: 0 to –95 dB (1 dB/step)* <M62446FP: 0 to –79 dB (1 dB/step)>
• Tone control
Bass/Treble: –14 dB to +14 dB (2 dB/step)* <M62446FP: –10 dB to +10 dB (2 dB/step)>
• Noise voltage: 1.5 µVrms <M62446FP: 2.2 µVrms>
• 4 Output ports
• Bypass mode is high quality sound.
Note: * is an extended function.
Application
DVD, Home Audio equipment, TV
Recommended Operating Conditions
Supply voltage range:
±4.5 to ±7.5 V (analog), 4.5 V to 5.5 V (digital)
Recommended supply voltage: ±7.0 V (analog), 5.0 V (digital)
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 1 of 18
M62446AFP
System Block Diagram
C in
SW in
SL in
SR in
Cout
SWout
SLout
SRout
volume
volume
volume
volume
BYPASS1
BYPASS2
L in
R in
Lout
Rout
µ-com
interface
LATCH DATA
tone
CLK
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 2 of 18
volume
volume
M62446AFP
Pin Configuration and Block Diagram
OUT4
1
OUT3
2
OUT2
3
OUT1
42
DVDD
41
CLK
40
DATA
4
39
LATCH
AVDD
5
38
DGND
SW in
6
37
AGND
GNDS
7
36
SW out
SR in
8
35
SR out
SL in
9
34
SL out
GNDC
10
33
C out
C in
11
32
R out
GNDR
12
31
L out
R in
13
30
AVSS
OUTPUT
PORT
MCU
volume
I/F
volume
volume
volume
volume
GNDL
14
29
CL1
L in
15
28
CL2
BYPASSR
16
27
CR1
BYPASSL
17
26
CR2
LTRE
18
25
RTRE
LBASS3
19
24
RBASS3
LBASS2
20
23
RBASS2
LBASS1
21
22
RBASS1
volume
tone
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 3 of 18
tone
M62446AFP
Pin Description
Pin No.
1
Symbol
OUT4
2
OUT3
3
OUT2
4
OUT1
5
AVDD
7
10
12
14
6
8
9
11
36
35
GNDS
GNDC
GNDR
GNDL
SW in
SR in
SL in
C in
SW out
SR out
34
33
13
SL out
C out
R in
Function
Port OUTPUT
Circuit
OUTPUT: PMOS Transistor open drain
DVDD (= 5V)
1 to 4
Analog positive power
supply
GND
+7 V
Connect to analog GND
Volume INPUT
6,8,9,11
Volume OUTPUT
+
–
18 to 22 kΩ
(Typ)
Tone INPUT
+
–
13,15
15
L in
16
BYPASSR
17
BYPASSL
31
L out
L OUTPUT
32
R out
R OUTPUT
18
LTRE
Tone treble cycle control
25
RTRE
33,34,35,36
70 kΩ
(Typ)
L, R volume INPUT in
BYPASS mode
16,17
70 kΩ
(Typ)
+
–
18 to 22 kΩ
(Typ)
31,32
18,25
19
24
20
23
21
26
LBASS3
RBASS3
LBASS2
RBASS2
LBASS1
RBASS1
Tone bass cycle control
22
CR2
Tone OUTPUT
28
CL2
27
CR1
29
CL1
31
L out
L OUTPUT
32
R out
R OUTPUT
2.3 kΩ
(Typ)
19,24
L, R volume INPUT
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 4 of 18
20,23
+
–
21,22
26,28
27,29
70 kΩ
(Typ)
18 to 22 kΩ
(Typ)
+
–
31,32
M62446AFP
Pin No.
Symbol
Function
Circuit
30
AVSS
37
AGND
Analog negative power
supply
Analog GND
38
39
DGND
LATCH
Digital GND
Latch INPUT
40
DATA
Data INPUT
41
CLK
Clock INPUT forward data
42
DVDD
Digital power supply
–7 V
S
39,40,41
INPUT: schmitt trigger type
+5 V
Absolute Maximum Ratings
Item
Supply voltage
Symbol
Vsupply
Power dissipation
Thermal derating
Operating temperature
Storage temperature
Pd
Kθ
Topr
Tstg
Ratings
16
7
1000
10
–20 to +75
–40 to +125
Unit
V
mW
mW/°C
°C
°C
Thermal Derating (Maximum Rating)
(with the standard board)
Power Dissipation Pd (W)
1.5
1.0
0.5
0
0
25
50
75
100
125
150
Ambient Tenperature Ta (°C)
*Standard board
• board size 70 mm × 70 mm
• board thickness 1.6 mm
• board material glass epoxy
• copper pattern
copper thickness 18 µm
copper size 0.25 mm (wide) 30 mm (length/lead)
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 5 of 18
Condition
AVDD – AVSS
DVDD – DGND
Ta ≤ 25 °C
Ta > 25 °C
M62446AFP
Recommended Operating Condition
(Ta = 25°C, unless otherwise noted)
Item
Analog positive supply voltage
Analog negative supply voltage
Digital supply voltage
High-level input voltage
Low-level input voltage
Note:
Symbol
AVDD
AVSS
DVDD
VIH
VIL
Min
4.5
–7.5
4.5
DVDD × 0.7
DGND
Typ
7.0
–7.0
5.0
—
—
Max
7.5
–4.5
5.5
DVDD
DVDD × 0.3
Unit
V
V
V
V
V
Condition
AVSS ≤ DGND < DVDD ≤ AVDD
Relationship between Data and Clock and Latch
H
D0
DATA
D1
DE
L
H
CLOCK
L
H
LATCH
L
Note: CLOCK and LATCH function at raising edges of pulse.
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 6 of 18
DF
D0
M62446AFP
Data Timing (Recommended Conditions)
tcr
75%
CLOCK
25%
tr
tf
tWHC
tWLC
75%
DATA
25%
tr
tsc
tSD
tf
tHD
tWHL
tr
tf
tSL
LATCH
75%
25%
25%
Digital Block Timing Regulation
Item
CLOCK cycle time
CLOCK pulse width ("H" level)
CLOCK pulse width ("L" level)
CLOCK, DATA, LATCH rise time
CLOCK, DATA, LATCH fall time
DATA setup time
DATA hold time
LATCH setup time
LATCH pulse width
CLOCK start time after LATCH
Symbol
tcr
tWHC
tWLC
tr
tf
tSD
tHD
tSL
tWHL
tSC
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 7 of 18
Min
Limits
Typ
Max
Unit
8
3.2
3.2
—
—
1.6
1.6
2
3.2
3.2
—
—
—
—
—
—
—
—
—
—
—
—
—
0.8
0.8
—
—
—
—
—
µs
M62446AFP
Digital Control Specification
Fore kinds of input format options are available by changing slot settings of DE and DF. (When the IC is powered up,
the internal settings are not fixed.)
(1)
D01
D11
D21
D31
D41
D51
D61
D71
1
2
3
4
D81
TONE CONT
TLEBLE
D91
DA1 DB1 DC1 DD1
TONE CONT
BASS
OUTPUT PORT n
CONT High: 1,Low: 0
0
TONE
:0
BYPASS
:1
DE
DF
0
0
DE
DF
0
1
DE
DF
1
0
DE
DF
1
1
(2)
D02
D12
D22
D32
D42
D52
D62
D72
D82
VOLUME Lch
D92
DA2 DB2 DC2 DD2
VOLUME Rch
(3)
D03
D13
D23
D33
D43
D53
D63
D73
D83
VOLUME Cch
D93
DA3 DB3 DC3 DD3
VOLUME SWch
(4)
D04
D14
D24
D34
D44
D54
VOLUME SLch
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 8 of 18
D64
D74
D84
D94
DA4 DB4 DC4 DD4
VOLUME SRch
M62446AFP
Setting Code
(1) Tone Control (Bass/Treble)
ATT
Treble
Bass
* –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
* +14 dB
D01
D81
D11
D91
D21
DA1
D31
DB1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
0
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
0
1
0
1
0
1
0
0
1
1
Note: * is an extended function.
(2) Port Output
D41 D51
D61 D71
Out: H
Out: L
1
0
(3) Bypass Control
DD1
BYPASS
TONE
Note:
1
0
Do not input other data than the above.
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 9 of 18
M62446AFP
(4)-1 Volume (0 to –39 dB)
ATT
Volume
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
–13 dB
–14 dB
–15 dB
–16 dB
–17 dB
–18 dB
–19 dB
–20 dB
–21 dB
–22 dB
–23 dB
–24 dB
–25 dB
–26 dB
–27 dB
–28 dB
–29 dB
–30 dB
–31 dB
–32 dB
–33 dB
–34 dB
–35 dB
–36 dB
–37 dB
–38 dB
–39 dB
Note:
D0X
D7X
D1X
D8X
D2X
D9X
D3X
DAX
D4X
DBX
D5X
DCX
D6X
DDX
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
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
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
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
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
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
Do not input other data than the above.
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 10 of 18
M62446AFP
(4)-2 Volume (–40 to –∞ dB)
ATT
Note:
D0X
D7X
D1X
D8X
D2X
D9X
D3X
DAX
D4X
DBX
D5X
DCX
D6X
DDX
–40 dB
–41 dB
–42 dB
–43 dB
–44 dB
–45 dB
–46 dB
–47 dB
–48 dB
–49 dB
–50 dB
–51 dB
–52 dB
–53 dB
–54 dB
–55 dB
–56 dB
–57 dB
–58 dB
–59 dB
–60 dB
–61 dB
–62 dB
–63 dB
–64 dB
–65 dB
–66 dB
–67 dB
–68 dB
–69 dB
–70 dB
–71 dB
–72 dB
–73 dB
–74 dB
–75 dB
–76 dB
–77 dB
–78 dB
–79 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
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
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
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
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
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
–∞ dB
1
0
1
0
0
0
0
Volume
Do not input other data than the above.
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 11 of 18
M62446AFP
(4)-3 VOLUME (–80 to –∞ dB)
This is an extended function from M62446FP.
ATT
D0X
D7X
D1X
D8X
D2X
D9X
D3X
DAX
D4X
DBX
D5X
DCX
D6X
DDX
–∞ dB
–∞ dB
–∞ dB
1
1
1
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
0
1
–∞ dB
–∞ dB
–80 dB
–81 dB
–82 dB
–83 dB
–84 dB
–85 dB
–86 dB
–87 dB
–88 dB
–89 dB
–90 dB
–91 dB
–92 dB
–93 dB
–94 dB
–95 dB
–∞ dB
–∞ dB
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
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
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
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
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
–∞ dB
1
1
1
1
1
1
0
–∞ dB
1
1
1
1
1
1
1
Volume
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 12 of 18
M62446AFP
Electrical Characteristics
(Ta = 25°C, AVDD/AVSS/DVDD = 7/–7 V/5 V, f = 1 kHz, unless otherwise noted.
Rg = 1 kΩ, RL = 10 kΩ, TONE CONTROL • VOL are set to 0 dB/FLAT.)
(1) Power Supply Characteristics
Item
Symbol
Limits
Typ
Max
Unit
Analog positive circuit current
Aldd
—
22
35
mA
Analog negative circuit current
Alss
—
22
35
mA
Digital circuit current
Dldd
—
1.0
2.0
mA
Min
Test Condition
Current at pin 5
No signal
Current at pin 30
No signal
Current at pin 42
No signal
(2) Input/Output Characteristics
Item
Symbol
Min
Limits
Typ
Max
Unit
Input resistance
Maximum output voltage
Ri
VOM
35
3.0
70
4.2
150
—
kΩ
Vrms
Pass gain
Gv
–2.0
0
2.0
dB
Distortion
THD
—
0.002
0.09
%
Output noise voltage
Vn (VOL)
—
1.5
6
Vn (tone)
—
5
20
Maximum attenuation
ATTmax
—
–100
–95
Volume gain between
channels
Dvol
–1.5
0
1.5
dB
Crosstalk between
channels
Port output current
CT
—
–80
–65
dB
IL
0.2
—
—
mA
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 13 of 18
Test Condition
13, 15, 16, 17, 27, 29 pin
6, 8, 9, 11, 13, 15, 16, 17 pin INPUT
31 to 36 pin OUTPUT
THD = 1%
Vi = 0.2 Vrms, FLAT
8, 9, 11, 13, 15, 16, 17 pin INPUT
31 to 36 pin OUTPUT
BW = 400 to 30 kHz
Vi = 0.2 Vrms, RL = 10 kΩ
µVrms 31 to 36 pin, Rg = 0 kΩ, JIS-A,
VOL = 0 dB
µVrms 31, 32 pin
JIS-A, VOL = 0 dB
dB
31 to 36 pin
JIS-A, VOL = –∞ dB
Vo = 0.5 Vrms, RL = 10 kΩ, JIS-A,
Rg = 1 kΩ
M62446AFP
(3) Tone Control Characteristics
Item
Tone control voltage gain
Balance between channel
Symbol
*T +14 dB
*T +12 dB
T +10 dB
T +8 dB
T +6 dB
T +4 dB
T +2 dB
T –2 dB
T –4 dB
T –6 dB
T –8 dB
T –10 dB
*T –12 dB
*T –14 dB
BALT
Note: * is an extended function.
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 14 of 18
Min
Limits
Typ
Max
Unit
12
10
8
6
4.5
2.5
1
–3
–5.5
–7.5
–10
–12
–14
–16
–1.5
14
12
10
8
6
4
2
–2
–4
–6
–8
–10
–12
–14
0
16
14
12
10
7.5
5.5
3
–1
–2.5
–4.5
–6
–8
–10
–12
+1.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Test Condition
Vo = 0.2 Vrms,
TREBLE (f = 10 kHz),
BASS (f = 100 Hz),
Voltage gain
(Input to pin 13, 15
Output from pin 31, 32)
INPUT 13, 15 pin
OUTPUT 31, 32 pin
Input 13, 15 pin Vo = 0.2 Vrms
Output 31, 32 pin
M62446AFP
Test Circuit
1
22 k
42
1
2
2
+
–
41
22 k
3
<SW>
40
22 k
4
+
–
5
<SR>
38
6
+
–
37
22 k
3
4
22 µ
+
3.3 µ
Vi6
(SW)
1k
3.3 µ
3.3 µ
Vi11
(C)
9
32
12
S
<R>
31
13
T
+
–
30
14
1k
3.3 µ
1k
1k
3.3 µ
3.3 µ
15
Bass
+
–
Treble
+
–
<L>
+
–
+
–
27
Treble
Bass
<L>
17
29
+
–
+
–
0.33 µ
3.3 µ
Vo36
10 k
3.3 µ
Vo35
10 k
3.3 µ
Vo34
10 k
3.3 µ
Vo33
10 k
3.3 µ
Vo32
10 k
3.3 µ
Vo31
25
18
19
24
20
23
21
22
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 15 of 18
22 µ
3.3 µ
3.3 µ
26
<R>
0.015 µ
DGND
AGND
28
16
1k
8200 p
DATA
10 k
70 k
3.3 µ
33
+
–
70 k
1k
34
T
11
Vi13
(R)
<C>
S
10
70 k
1k
36
35
+
–
70 k
3.3 µ
70 k
1k
+
39 LATCH
<SL>
8
Vi8
(SR)
Vi9
(SL)
Vi15
(L)
Vi16
(BYPASSR)
Vi17
(BYPASSL)
7
70 k
AVDD
DVDD
<Typ +5 V>
22 µ
CLK
8200 p
0.015 µ
0.33 µ
+
AVSS
<Typ –7 V>
M62446AFP
Signal Processing Diagram
BYPASS
3.3 µF
70 kΩ
TONE CONTROL
(+14 dB to –14 dB)
TONE in
3.3 µF
BASS
+
–
VOLUME Lch,Rch (0 dB to –∞ dB)
TLEBLE
+
–
70 kΩ
+
–
3.3 µF
70 kΩ
+
–
3.3 µF
8200 pF
0.015 µF 0.33 µF
VOLUME in
3.3 µF
VOLUME Cch,SWch,SLch,SRch (0 dB to –∞ dB)
+
–
3.3 µF
Notes:
1. The resistance value of Volume change about 18 to 22 kΩ by attenuated condition.
2. No built a zero cross circuit.
3. When the mode changed (BYPASS/TONE), it is necessary the muting function.
DVDD ( = 5 V)
CLK, DATA, LATCH
S
INPUT: Schmitt trigger type
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 16 of 18
OUTPUT PORT
OUTPUT port: PMOS transistor
open drain
M62446AFP
Application Example
When using Tone control and Bypass
0.001 µF
22 kΩ
OUT4
+
1
10 µF
42
DVDD = 5 V
22 kΩ
OUT3
2
22 kΩ
OUT2
3
OUTPUT
PORT
41
MCU
volume
22 kΩ
OUT1
4
47 µF
3.3 µF
SWin
MCU
39
0.0047 µF
+
AVDD = 7 V
40
I/F
38
DGND
6
37
AGND
7
36
5
volume
3.3 µF
3.3 µF
SRin
3.3 µF
8
SRout
35
volume
3.3 µF
SLin
SWout
3.3 µF
9
SLout
34
3.3 µF
10
Cin
Cout
33
3.3 µF
3.3 µF
volume
11
Rout
32
3.3 µF
Lout
31
12
3.3 µF
Rin
volume
0.0047 µF
14
29
15
28
+
47 µF
3.3 µF
3.3 µF
Lin
AVSS = –7 V
30
13
3.3 µF
volume
16
BYPASSRin
27
3.3 µF
3.3 µF
17
26
18
25
19
24
BYPASSLin
8200 pF
8200 pF
0.015 µF
20
tone
tone
23
0.33 µF
21
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 17 of 18
22
0.015 µF
0.33 µF
M62446AFP
Package Dimensions
42P2R-A
MMP
EIAJ Package Code
SSOP42-P-450-0.80
Plastic 42pin 450mil SSOP
JEDEC Code
—
Weight(g)
0.63
e
b2
22
E
HE
e1
I2
42
Lead Material
Alloy 42/Cu Alloy
Recommended Mount Pad
F
Symbol
1
21
A
D
G
A2
e
b
L
L1
y
A1
A
A1
A2
b
c
D
E
e
HE
L
L1
z
Z1
y
c
z
Z1
Detail G
REJ03F0212-0201 Rev.2.01 Mar 31, 2008
Page 18 of 18
Detail F
b2
e1
I2
Dimension in Millimeters
Min
Nom
Max
2.4
—
—
—
—
0.05
—
2.0
—
0.5
0.4
0.35
0.2
0.15
0.13
17.7
17.5
17.3
8.6
8.4
8.2
—
0.8
—
12.23
11.93
11.63
0.7
0.5
0.3
—
1.765
—
0.75
—
—
—
0.9
—
0.15
—
—
0°
—
10°
—
—
0.5
—
11.43
—
—
1.27
—
Sales Strategic Planning Div.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
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