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 (V
DD
: 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. (V
DD
= 3.0 V, SYNC = 8 kHz)
Power-Down Mode:
0.03 mW Typ. (V
DD
= 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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