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GENERAL DESCRIPTION

The ML7029 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 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: ?μ-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)