Description
The PCM codec is designed to perform transmit encoding analog/digital (A/D) conversion, receive decoding digital/analog (D/A) conversion, and transmit and receive filtering for voice-band communications systems.
Features
- D 2.7-V Operation D Two Differential Microphone Inputs, One
Differential Earphone Output, and One Single-Ended Earphone Output
D Programmable Gain Amplifiers for Transmit,
Receive, Sidetone, and Volume Control
D Earphone Mute and Microphone Mute D On-Chip I2C Bus, Which Provides a Simple,
Standard, Two-Wire Serial Interface With Digital ICs
D Programmable for 15-Bit Linear Data or 8-Bit
Companded (µ-Law or A-Law) Data
D Available in a 32-Pin Thin Quad Flatpack
(TQFP) Package and an 80-Pin GQE Mi.