m62421fp Renesas Electronics Corporation., m62421fp Datasheet - Page 12

• Manufacturer Part Number: m62421fp
• Description: Tone And Volume Controller With 2 Line Control
• Manufacturer: Renesas Electronics Corporation.

M62421SP/FP
Application Example
REJ03F0208-0201 Rev.2.01 Mar 31, 2008
Page 12 of 13
Reference circuit
example
470 µF
IN2
IN1
4.7 k
4.7 k
2.2 µF
Reference
voltage
2.2 µF
V
CC
ref
20
1
VR1
VR2
ref
ref
19
2
420 Ω
420 Ω
0.022 µF
0.022 µF
VOLAMP1
VOLAMP2
ref
ref
+
–
+
–
117 k
6.4 k
6.4 k
18
117 k
3
–
+
+
–
S1 S3 S5 S7
S2 S4 S6 S8
SIMAMP2
SIMAMP1
17
4
0.033 µF
0.033 µF
0.47 µF
0.47 µF
1.8 k
1.8 k
16
5
VR3
VR3
6.4 k
6.4 k
–
+
+
–
TONE
AMP2
ref
ref
15
TONE
AMP1
6
1.8 k
1.8 k
VR5
VR5
OUT1
OUT2
14
7
2.2 µF
200 k
200 k
420 Ω
200 k
200 k
420 Ω
2.2 µF
DGND
AGND
13
8
DVDD
CONTROL
LOGIC
12
9
MPU
DVDD or GND
10
11