msm7547 Oki Semiconductor, msm7547 Datasheet - Page 6

• Manufacturer Part Number: msm7547
• Description: Voice Signal Level Control Lsi
• Manufacturer: Oki Semiconductor

Receive voice data
¡ Semiconductor
Transmit voice data
APPLICATION CIRCUIT
In the Reverse Type
In the Same Phase Type
Analog input
R1
R2
Analog input
C4 R3
C1
C3
C7
R6
C6
1
2
3
4
5
6
7
8
C5
R4
C8
R5
TAUD
AN2
NC
RCV2
RCV1
NC
RAUD
GND
AO3
AN3
MIC
MIC
AN3
AO3
MSM7547MS-K
_
+
+
_
ATTE
ATT2
ATT1
ATT0
AO3
MIC
AN3
V
DD
16
15
14
13
12
11
10
9
+5 V
R4 > 5 kW
R3 > 5 kW
C4 > 1 µF
C5 = 50 pF
Gain = R4/R3
R5 > 5 kW
R6 > 5 kW
C6 > 0.1 µF
C7 > 1 µF
C8 = 50 pF
Gain = 1 + (R5/R6)
C2
C3
MSM7547
R1 > 5 kW
R2 > 5 kW
C1 = 50 pF
C2 > 1 µF
C3 > 0.1 µF
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