MSM7590L-01

• Single 3 V Power Supply Operation             V_DD: 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 m-law Selectable
• Serial PCM/ADPCM Transmission Data Rate : 64 kbps to 2048 kbps
• 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)
• Two Analog Input Amplifier Stages :              Externally Adjustable Gain
• Analog Output Stage : Push-pull Drive (direct drive of 350 WÊ+ 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)

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 MSM7590L-01 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 MSM7590L-01 operates from a single 3 V power supply and provide low power consumption.