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ML7029

Multifunction ADPCM CODEC

Oki Electric Industry 

OKI Semiconductor

ML7029

Multifunction ADPCM CODEC

FEDL7029-03

Issue Date: Feb. 18, 2004

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)

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