Texas Instruments PGA2320 Data Handbook/Manual
Summary
This high-performance, stereo audio volume control chip delivers precise, digitally controlled analog attenuation up to −95.5dB. Designed for professional and high-end consumer audio systems, it features three independent channels, extremely low noise/crosstalk (-126dBFS), and robust performance ideal for A/V receivers, mixing consoles, and broadcast studios. The integrated manual provides detailed electrical specifications, including serial control interfaces and operating parameters necessary for seamless integration into sophisticated audio equipment.
Page 1 Text Content
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PGA2320
SBOS312B − JULY 2004 − REVISED DECEMBER 2004
Stereo Audio Volume Control
FEATURES APPLICATIONS DIGITALLY-CONTROLLED ANALOG VOLUME AUDIO AMPLIFIERS CONTROL:
MIXING CONSOLES
Two Independent Audio Channels
MULTI-TRACK RECORDERS
Serial Control Interface
BROADCAST STUDIO EQUIPMENT
Zero Crossing Detection
MUSICAL INSTRUMENTS
Mute Function
EFFECTS PROCESSORS
WIDE GAIN AND ATTENUATION RANGE:
A/V RECEIVERS
+31.5d B to −95.5d B with 0.5d B Steps
CAR AUDIO SYSTEMS
LOW NOISE AND DISTORTION: 120d B Dynamic Range 0.0003% THD+N at 1k Hz
DESCRIPTION
LOW INTERCHANNEL CROSSTALK:
The PGA2320 is a high-performance, stereo audio volume
−126d BFS
control designed for professional and high-end consumer
NOISE-FREE LEVEL TRANSITIONS audio systems. The ability to operate from ±15V analog
POWER SUPPLIES: 15V Analog, +5V Digital power supplies enables the PGA2320 to process input signals with large voltage swings, thereby preserving the
AVAILABLE IN SOL−16 PACKAGE
dynamic range available in the overall signal path. Using
PIN-FOR-PIN COMPATIBLE WITH THE
high performance operational amplifier stages internal to
PGA2310 the PGA2320 yields low noise and distortion, while
providing the capability to drive 600Ω loads directly without buffering. The three-wire serial control interface allows for connection to a wide variety of host controllers, in addition to support for daisy-chaining of multiple PGA2320 devices.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners.
Copyright 2004, Texas Instruments Incorporated
www.ti.com
Page Summary Contents For Texas Instruments PGA2320 Data Handbook/Manual
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 15 |
| File Size | 210.19 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
How should I handle the PGA2320 unit during installation?
The integrated circuit is susceptible to ESD damage, so appropriate handling precautions are recommended.
What level of interchannel crosstalk can this volume control achieve?
It offers a low interchannel crosstalk measured at -126dBFS.
What type and voltage power supplies does the PGA2320 require?
It requires ±15V analog and +5V digital signals to operate properly.