M62429P/FP
Serial Data Control Dual Electronic Volume
REJ03F0209-0300
Rev.3.00
Jun 15, 2007
Description
The M62429 is a dual channel electronic volume controlled with 2-wire serial data.
The built-in reference circuit can compose of an electronic volume with less external parts.
Features
• Built-in reference circuit
• Control with serial data
Volume 0 to –83 dB (1 dB/step), –∞
(Independent control is allowed in each channel)
• Low noise and low distortion
VNO = 5 µVrms (ATT = –∞, JIS-A)
THD = 0.01 % Typ. (V0 = 0.5 Vrms, DIN-AUDIO)
Recommended Operating Conditions
Supply voltage range: VCC = 4.5 to 5.5 V
Rated supply voltage: VCC = 5 V
System Block Diagram
M62429/FP
2ch IN
2ch OUT
VOLUME
1ch IN
1ch OUT
VOLUME
LOGIC
CONTROL
DATA
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 1 of 8
CLOCK
M62429P/FP
Pin Arrangement
M62429P/FP
VIN1
1
8 VIN2
VOUT1
2
GND
3
7 VOUT2
6 VCC
DATA
4
5 CLOCK
(Top view)
Outline: PRDP0008AA-A (8P4) [P]
PRSP0008DE-C [FP] (recommend)
PRSP0008DA-A (8P2S-A) [FP] (not recommend for new design)
Pin Description
Pin No.
Symbol
Function
1
2
VIN1
VOUT1
1-ch input pin
1-ch output pin
3
4
GND
DATA
Ground pin
Control data input pin. Inputs data in synchronization with clock.
5
6
CLOCK
VCC
Clock input pin for transferring serial data.
Power supply pin. Stabilize the pin with decoupling capacitor.
7
8
VOUT2
VIN2
2-ch output pin
2-ch input pin
IC Internal Block Diagram
VIN 2
8
VOUT2
7
VCC
6
CLOCK
5
Vref
LOGIC
CONTROL
+
VR 2
–
VOL AMP 2
+
–
VOL AMP 1
REF AMP
–
+
VR 1
1
2
3
4
VIN 1
VOUT1
GND
DATA
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 2 of 8
M62429P/FP
Absolute Maximum Ratings
Item
Symbol
Supply voltage
Power dissipation
VCC, VDD
Pd
Operating temperature
Storage temperature
Topr
Tstg
Ratings
Unit
6.0
625 (P), 440 (FP)
V
mW
–20 to +75
–55 to +125
°C
°C
Electrical Characteristics
(VCC = 5 V, Ta= 25 °C, unless otherwise noted)
Limits
Item
Symbol
Typ
8
Max
16
Unit
Conditions
Circuit current
ICC
Min
—
Maximum attenuation
Attenuation error
ATT
∆ATT
—
–2.0
–90
0
–80
2.0
dB
dB
Maximum input voltage
Maximum output voltage
VIM
VOM
1.5
0.8
1.7
1.3
—
—
Vrms
Vrms
THD = 1 %, ATT = –6 dB
THD = 1 %
Output noise voltage
VNO1
VNO2
—
—
4
5
10
10
µVrms
ATT = 0, Rg = 0, JIS-A
ATT = –∞, Rg = 0, JIS-A
Total harmonic distortion
Channel separation
THD
CS
—
—
0.01
–80
0.05
–70
%
dB
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 3 of 8
mA
ATT = –∞
ATT = 0
f = 1 kHz, Vo = 0.5 Vrms, ATT = 0
f = 1 kHz, JIS-A
M62429P/FP
Relationship between Data and Clock
CLOCK
DATA
D0
D1
D2
D3
D8
D9
D10
Latch signal "H"
Reads data signal at the rising edge of clock signal
Reads latch signal at the falling edge of clock
DC Characteristics of Digital Block
Item
Symbol
Min
Limits
Typ
Max
Unit
Test Conditions
"L" level input voltage
"H" level input voltage
VIL
VIH
0
0.8 VCC
~
~
0.2 VCC
VCC
V
V
Data, clock pin
"L" level input current
"H" level input current
IIL
IIH
–10
—
—
—
10
10
µA
µA
VI = 0
VI = 5 V
Data, clock pin
AC Characteristics of Digital Block
Item
Symbol
Limits
Typ
Min
Max
Unit
Cycle time of clock
Pulse width of clock ("H" level)
tcr
tWHC
4
1.6
—
—
—
—
µs
µs
Pulse width of clock ("L" level)
Clock rising time
tWLC
tr
1.6
—
—
—
—
0.4
µs
µs
Clock falling time
Data setup time
tf
tSD
—
0.8
—
—
0.4
—
µs
µs
Data hold time
tHD
0.8
—
—
µs
Clock and Data Timing
tcr
75%
CLOCK
25%
tf
tr
tWHC
tWLC
DATA
tSD
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 4 of 8
tHD
M62429P/FP
Data Input Format
D0
D1
0/1
0/1
D2
D3
D4
D5
D6
D7
D8
VOLUME
D9
D10
1
1
0: Both channels at a time
1: A channel at a time
0: 1CH
1: 2CH
Volume Code
ATT1
D2
D3
D4
D5
D6
D7
D8
0 dB
–4 dB
H
L
L
L
H
H
L
L
H
H
0 dB
–1 dB
H
L
H
H
–8 dB
–12 dB
H
L
H
H
L
L
L
L
H
H
–2 dB
–3 dB
H
L
L
L
–16 dB
–20 dB
H
L
L
L
L
L
L
L
H
H
–24 dB
–28 dB
H
L
H
H
H
H
H
H
L
L
–32 dB
–36 dB
H
L
L
L
H
H
H
H
L
L
–40 dB
–44 dB
H
L
H
H
L
L
H
H
L
L
–48 dB
–52 dB
H
L
L
L
L
L
H
H
L
L
–56 dB
–60 dB
H
L
H
H
H
H
L
L
L
L
–64 dB
–68 dB
H
L
L
L
H
H
L
L
L
L
–72 dB
–76 dB
H
L
H
H
L
L
L
L
L
L
–80 dB
–∞
H
L
L
L
L
L
L
L
L
L
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 5 of 8
ATT2
M62429P/FP
Application Example
VIN2
+
CLOCK
2.2 µF
8
VR 2
VCC = 5 V
VOUT2
7
6
5
Vref
LOGIC
CONTROL
3
4
+
–
VOL AMP 2
+
–
VOL AMP 1
REF AMP
–
VR 1
+
1
+
2
2.2 µF
VIN1
VOUT1
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 6 of 8
DATA
M62429P/FP
Package Dimensions
RENESAS Code
PRDP0008AA-A
5
1
4
MASS[Typ.]
0.5g
c
*1
E
8
Previous Code
8P4
e1
JEITA Package Code
P-DIP8-6.3x8.84-2.54
NOTE)
1. DIMENSIONS "*1" AND "*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION "*3" DOES NOT
INCLUDE TRIM OFFSET.
*2
D
e1
D
E
A
A1
A2
bp
b2
b3
c
L
A1
A
A2
Reference
Symbol
SEATING PLANE
*3 b
3
*3 b
2
bp
e
e
L
JEITA Package Code
P-SOP8-4.4x4.85-1.27
RENESAS Code
PRSP0008DE-C
*1
Previous Code
—
Min Nom Max
7.32 7.62 7.92
8.7 8.9 9.1
6.15 6.3 6.45
4.5
0.51
3.3
0.4 0.5 0.6
0.9 1.0 1.3
1.4 1.5 1.8
0.22 0.27 0.34
15°
0°
2.29 2.54 2.79
3.0
MASS[Typ.]
0.1g
F
D
8
Dimension in Millimeters
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
5
c
*2
E
HE
bp
Index mark
Terminal cross section
( Ni/Pd/Au plating )
Z
Reference
Symbol
4
1
e
*3
bp
x
M
A
A2
L1
A1
θ
L
y
Detail F
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 7 of 8
D
E
A2
A1
A
bp
b1
c
c1
θ
HE
e
x
y
Z
L
L1
Dimension in Millimeters
Min Nom Max
4.65 4.85 5.05
4.2
4.4 4.6
1.85
0.00 0.1 0.20
2.03
0.34 0.4 0.46
0.15 0.20 0.25
0°
8°
5.7 6.2 6.5
1.12 1.27 1.42
0.12
0.10
0.75
0.25 0.45 0.65
0.90
M62429P/FP
JEITA Package Code
P-SOP8-4.4x5-1.27
RENESAS Code
PRSP0008DA-A
MASS[Typ.]
0.07g
E
5
*1
HE
8
Previous Code
8P2S-A
F
1
NOTE)
1. DIMENSIONS "*1" AND "*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION "*3" DOES NOT
INCLUDE TRIM OFFSET.
4
Index mark
c
A2
*2
A1
D
L
A
Reference
Symbol
*3
e
bp
y
D
E
A2
A1
A
bp
c
Detail F
HE
e
y
L
REJ03F0209-0300 Rev.3.00 Jun 15, 2007
Page 8 of 8
Dimension in Millimeters
Min Nom Max
4.8 5.0 5.2
4.2 4.4 4.6
1.5
0.05
1.9
0.35 0.4 0.5
0.13 0.15 0.2
0°
10°
5.9 6.2 6.5
1.12 1.27 1.42
0.1
0.2 0.4 0.6
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