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MSM7590L-01 Datasheet

  • MSM7590L-01

  • Multi-Function ADPCM CODEC

  • 26頁

  • OKI

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E2U0029-28-82
隆 Semiconductor
MSM7590L-01
隆 Semiconductor
Multi-Function ADPCM CODEC
This version: Aug. 1998
MSM7590L-01
Previous version: Nov. 1996
GENERAL DESCRIPTION
The MSM7590L-01, developed for advanced digital cordless telephone systems, is a single
channel ADPCM CODEC IC which performs mutual transcoding between the analog voice band
signal and 32 kbps ADPCM serial data.
This device includes DTMF Tone and several types of tone generation, transmit/receive data
mute and gain control, side-tone path and gain control, and VOX function.
Using advanced circuit technology, the device operates from a single 3 V power supply and
provide low power consumption.
FEATURES
V
DD
: 2.7 V to 3.6 V
鈥?Single 3 V Power Supply Operation
ITU-T G.726 (32 kbps, 24 kbps, 16 kbps)
鈥?ADPCM Algorithm :
鈥?Full-Duplex Transmit/Receive Operation
鈥?Transmit/Receive Synchronous Mode Only
A-law or
碌-law
Selectable
鈥?PCM Data Format :
鈥?Serial PCM/ADPCM Transmission Data Rate : 64 kbps to 2048 kbps
鈥?Low Power Consumption
Operating Mode :
21 mW Typ. (V
DD
= 3.0 V)
Power-Down Mode :
0.3 mW Typ. (V
DD
= 3.0 V)
Externally Adjustable Gain
鈥?Two Analog Input Amplifier Stages :
Push-pull Drive (direct drive of 350
W
+ 120 nF)
鈥?Analog Output Stage :
10.368 MHz
鈥?Master Clock Frequency :
鈥?Transmit/Receive Mute, Transmit/Receive Programmable Gain Control
鈥?Side Tone Path with Programmable Attenuation (8-step Adjustment Level)
鈥?Built-in DTMF Tone Generator
鈥?Built-in Various Ringing/Function Tones Generator
鈥?Built-in Various Ring Back Tone Generator
鈥?Serial MCU Interface Control
鈥?Built-in Sounder Driving Amplifier
鈥?Built-in VOX Control
Transmit side :
Voice Signal Detect
Receive side :
Background Noise Generation
鈥?Characteristic Evaluation Board.
鈥?Package:
32-pin plastic TSOP (TSOPI32-P-814-0.50-1K)
(Product name: MSM7590L-01TS-K)
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