msm7542 Oki Semiconductor, msm7542 Datasheet - Page 16

• Manufacturer Part Number: msm7542
• Description: Single Rail Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
APPLICATION CIRCUIT
FREQUENCY CHARACTERISTICS ADJUSTMENT CIRCUIT
Analog output
Analog input
Receiver impedance to
1.2 kW + 55 nF
+3.3 V
0 V
M
0 to 10 W
Microphone amp
10 mF
0.1 mF
C1
Analog interface
+
C2
C4
51 kW
51 kW
R3
0.1 mF
R1
R2
R4
C3
1 mF
AIN–
GSX
AIN+
SG
AOUT–
PWI
VFRO
SGC
AG
V
AIN–
GSX
AIN+
SG
AOUT+
AOUT–
PWI
VFRO
MSM7541/7542
DD
PCMOUT
BCLOCK
RSYNC
XSYNC
PCMIN
TMC
PDN
DG
Transmit frequency
characteristic
Adjustment determined with
C1, C2, R1, R2.
Receive frequency
characteristic
Adjustment determined with
C3, C4, R3, R4.
+3.3 V
Digital interface
PCM signal output
8 kHz SYNC signal input
BCLOCK input
PCM data input
Power Down control input
Analog loop-back
control input
MSM7541/7542
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