This is a PDF file of ICminer Electronic Library
The Winbond W9320 is a single‑channel ADPCM codec that supports CCITT G.721, G.726 and G.714 standards. It operates from 2.7 V to 5.25 V and includes a serial setup port (SSP) for microcontroller access, integrated op‑amps, and programmable gain stages.
The document details pin assignments, electrical characteristics, block diagrams, and application examples such as pair‑gain telephone systems and cordless phone systems. Package options include 28‑lead DIP and SOP variants, with full mechanical dimensions provided.
| Operating voltage range | 2.7 V to 5.25 V |
|---|---|
| Master clock options | 10.24 MHz (typical) or 16.384 MHz |
| Supported ADPCM bit rates | 64, 32, 24, 16 kbps |
| Serial PCM/ADPCM data rate | 128 kbps to 2048 kbps |
| Number of setup/status registers | 16 registers (8‑bit each) |
| Package types | 28‑lead DIP or 28‑lead SOP |
| Analog output driver load | 300 Ω differential load |
| Digital regulator voltage | 3 V |
| Analog charge‑pump voltage | 5 V |
The W9320 operates from 2.7 V up to 5.25 V.
It supports a 10.24 MHz oscillator as typical, and a 16.384 MHz clock for Winbond cordless applications.
The codec can encode and decode at 64, 32, 24, and 16 kbps.
The device is offered in a 28‑lead plastic DIP and a 28‑lead plastic SOP package.