ML7029

FEDL7029-04 Issue Date: Jun. 8, 2007 ML7029 Multifunction ADPCM CODEC GENERAL DESCRIPTION The ML7029 is a single cha nnel 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 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: -law  Serial PCM/ADPCM Transmission Data Rate: 64 kbps to 2048 kbps (when SYNC = 8 kHz)  Low Power Consumption Operating Mode: 18 mW Typ. (VDD = 3.0 V, SYNC = 8 kHz) Power-Down Mode: 0.03 mW Typ. (VDD = 3.0 V, SYNC = 8 kHz)  Sampling Frequency: 6 kHz to 21 kHz selectable (However, there are limitations to 16 kHz or higher frequencies)  Master Clock Frequency: Sampling frequency  1296 When SYNC = 8 kHz: 10.368 MHz  Transmit/Receive Mute, Transmit/Receive Programmable Gain Control  Side Tone Path with Programmable Attenuation (8-Step Level Adjustment)  Serial MCU Interface Control  Package: 30-pin plastic SSOP (SSOP30-P-56-0.65-K) (ML7029) 1/29 http://www.Datasheet4U.com FEDL7029-04 ML7029 BLOCK DIAGRAM CR2-B7 AIN– 20 k GSX A/D Conv. TXON/ OFF BPF/ LPF CR2-B6 to B4 PCM Compander PCMSO PCMSI CR3-B7 to B5 CR2-B3 VFRO 20 k D/A Conv. LPF CR2-B2 to B0 VREF RXON/ OFF ADPCM IS IR PCMRO PCM Expander PCMRI SG BCLK MCU I/F SYNC DEN DOUT EXCK MCK DG PDN DIN VD AG VA 2/29 FEDL7029-04 ML7029...