GENERAL DESCRIPTION
The MSM7575, developed for advanced digital cordless telephone systems, is a single channel full duplex CODEC which performs mutual transcoding between the analog voice band signal and the 64 kbps PCM serial data.

FEATURES
• Single 3 V Power Supply Operation VDD: 2.7 V to ␣ 3.6 V
• Transmit/Receive Full-Duplex Single Channel Operation•
• Transmit/Receive Synchronous Mode Only
• PCM Interface Data Format : A-law/µ-law/linear (2s complement) Selectable
• Serial PCM Transmission Data Rate : 64 kbps to 2048 kbps•
• Low Power Consumption
    Operating Mode : 24 mW Typ. (VDD = 3.0 V)
    Power-Down Mode : 0.03 mW Typ. (VDD = 3.0 V)
• Two Analog Input Amplifier Stages: Externally Gain Adjustable•
• Analog Output Stage
    Push-pull Drive (direct drive of 350 Ω + 120 nF)
• Master Clock Frequency : 9.600/19.200 MHz Selectable•
• Transmit/Receive Mute, Transmit/Receive Programmable Gain Control
• Side Tone Path with Programmable Attenuation (8-step Level Adjustment)•
• Built-in DTMF Tone Generator
• Built-in Various Ringing Tones Generator•
• Built-in Various Ring Back Tone Generator
• Control by Serial MCU Interface•
• Built-in VOX Control
    Transmit side : Voice/Silence Signal Detect
    Receive side : Background Noise Generation
• Built-in Op-amps and Analog Switches for Various Analog Interfaces.•
• Package:
    64-pin plastic QFP (QFP64-P-1414-0.80-BK)(Product name : 7575GS-BK)