Texas Instruments PGA2310UA

Description
Highperformance, stereo audio volume control for professional and highend consumer audio systems
Operates from ±15V analog power supplies to process input signals with large voltage swings
Uses highperformance operational amplifier stages to achieve low noise and distortion
Drives 600Ω loads directly without buffering
Threewire serial control interface for connection to a wide variety of host controllers
Supports daisychaining of multiple PGA2310 devices

Features
Digitallycontrolled analog volume control:
Two independent audio channels
Serial control interface
Zero crossing detection
Mute function
Stereo audio volume control
Wide gain and attenuation range:
31.5dB to 95.5dB with 0.5dB steps
Low noise and distortion:
120dB dynamic range
0.0004% THD N at 1kHz
Low interchannel crosstalk:
126dBFS
Noisefree level transitions
Power supplies:
15V analog
5V digital
Available in DIP16 and SOL16 packages
Pin and software compatible with the PGA2311 and Cirrus Logic CS3310™

Applications
Audio amplifiers
Mixing consoles
Multitrack recorders
Broadcast studio equipment
Musical instruments
Effects processors
A/V receivers
Car audio systems