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MSM7590L-01

OKI
Part Number MSM7590L-01
Manufacturer OKI
Description Multi-Function ADPCM CODEC
Published Aug 19, 2005
Detailed Description E2U0029-28-82 ¡ Semiconductor MSM7590L-01 ¡ Semiconductor Multi-Function ADPCM CODEC This version: Aug. 1998 MSM7590L-...
Datasheet PDF File MSM7590L-01 PDF File

MSM7590L-01
MSM7590L-01

Overview
E2U0029-28-82 ¡ Semiconductor MSM7590L-01 ¡ 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 • Single 3 V Power Supply Operation VDD: 2.
7 V to ␣ 3.
6 V ITU-T G.
726 (32 kbps, 24 kbps, 16 kbps) • ADPCM Algorithm : • Full-Duplex Transmit/Receive Operation • Transmit/Receive Synchronous Mode Only • PCM Data Format : A-law or µ-law Selectable • Serial PCM/ADPCM Transmission Data Rate : 64 kbps to 2048 kbps • Low Power Consumption Operating Mode : 21 mW Typ.
(VDD = 3.
0 V) Power-Down Mode : 0.
3 mW Typ.
(VDD = 3.
0 V) • Two Analog Input Amplifier Stages : Externally Adjustable Gain • Analog Output Stage : Push-pull Drive (direct drive of 350 W␣ + 120 nF) • Master Clock Frequency : 10.
368 MHz • 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 Tones Generator • Built-in Various Ring Back Tone Generator • Serial MCU Interface Control • Built-in Sounder Driving Amplifier • Built-in VOX Control Transmit side : Voice Signal Detect Receive side : Background Noise Generation • Characteristic Evaluation Board.
• Package: 32-pin plastic TSOP (TSOPI32-P-814-0.
50-1K) (Product name: MSM7590L-01TS-K) 1/26 ¡ Semiconductor BLOCK DIAGRAM AIN1– AIN1+ GSX1 – + Voice Detect P / S S / P P / S S / P RXMUTE RXON/OFF RXPAD RC Filter D/A Conv.
Expander ADPCM DECOD...


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