The OKI Semiconductor FEDL7732-01-10 is a single-channel full duplex CODEC CMOS IC that performs mutual transcoding between analog voice band signals and 64 kbps PCM serial data. This device features DTMF tone and several types of tone generation, transmit/receive data mute and gain control, and side tone path.
The MSM7732‑01 is a single‑channel full‑duplex audio CODEC CMOS IC that transcodes analog voice‑band signals to 64 kbps PCM serial data and vice‑versa. It includes features such as DITMF tone generation, mute and gain control, side‑tone path, and built‑in tone generators.
The document details the device's pinout, functional blocks, package options (30‑pin SSOP, 48‑pin TQFP/LGA/BGA), power requirements, clocking, and PCM interface timing, along with revision history and legal notices.
| Supply Voltage | 3 V (single supply) |
|---|---|
| Vpp Range | 2.4 V to 3.3 V |
| PCM Data Rate | 64 kbps to 2048 kbps |
| Typical Operating Power | 15 mW typ. |
| Power‑down Power | 3 pW typ. |
| Master Clock Frequency | 2.048 MHz |
It operates from a single 3 V supply with Vpp ranging from 2.4 V to 3.3 V.
The master clock input must be 2.048 MHz.
Typical operating power consumption is 15 mW at a 3.0 V supply.