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Part Number: MSM7732-01

 

 

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Description: The MSM7732 is a single-channel full duplex CODEC CMOS IC which performs mutual transcoding between the analog voice ba...


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MSM7732-01 General Description


The MSM7732 is a single-channel full duplex CODEC CMOS IC which performs mutual transcoding between the analog voice band signals and 64 kbps PCM serial data.

This device performs such functions as DTMF tone and several types of tone generation, transmit/receive data mute and gain control, and side tone path.

MSM7732-01 Maximum Ratings

Parameter Symbol Condition Rating Unit
Power Supply Voltage VDD - 0.3 to +5.0 V
Analog Input Voltage VAIN - 0.3 to VDD+0.3 V
Digital Input Voltage VDIN - 0.3 to VDD+0.3 V
Storage Temperature TSTG - 55 to +150 °C

MSM7732-01 Features

` Single 3 V power supply operation VDD: 2.4 V to 3.3 V
` PCM interface data format : µ-law/A-law/linear (2's complement) selectable
` PCM interface timing : long frame synchronous timing/short frame synchronous timing
` Full-duplex single channel operation
` Serial PCM transmission data rate: 64 kbps to 2048 kbps
` Low power consumption
  Operating mode: 15 mW typ. (VDD = 3.0 V)
  Power-down mode: 3 µW typ. (VDD = 3.0 V)
` Master clock frequency: 2.048 MHz
` Analog output stage
  35 mW drive for receiver speaker (differential drive of 32 Ω)--Gain adjustable
  66 mW drive for receiver speaker (differential drive of 30 Ω)--Gain adjustable
  6.6 mW drive for earphone speaker (single drive of 32 Ω) --Gain adjustable
` Transmit/receive mute, transmit/receive programmable gain control
` Side tone path with programmable attenuation (8-step adjustment level)
` Built-in DTMF tone generator
` Built-in various ringing/function tone generator
` Built-in various ring back tone generator
` Serial MCU interface control: 3 bit
` Built-in transmit voice signal detector
` Built-in op amps and analog switches for various analog interface
` Package options :
  30-pin plastic SSOP (SSOP30-P-56-0.65-K) (MSM7732-01 MB)
  48-pin plastic TQFP (TQFP48-P-0707-0.50-K) (MSM7732-01 TB)
  48-pin plastic LGA (P-TFLGA48-0707-0.8) (MSM7732-01 LB)
  48-pin plastic BGA (P-LFBGA48-0707-0.8) (MSM7732-01 LA)

MSM7732-01 Connection Diagram

MSM7732-01 Connection Diagram

MSM7732-01 datasheet

MSM7732-01
PDF/DataSheet Download

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