MSM7590L-01中文資料沖電線數(shù)據(jù)手冊PDF規(guī)格書

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.

FEATURES

? Single 3 V Power Supply Operation VDD: 2.7 V to ? 3.6 V

? ADPCM Algorithm : ITU-T G.726 (32 kbps, 24 kbps, 16 kbps)

? 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)