Texas Instruments PGA2311 Data Handbook/Specifications manual
Summary
Introducing the PGA2311, a high-performance, digitally-controlled stereo volume attenuator designed for professional and high-end audio systems. This integrated circuit offers exceptionally low noise (up to –130dBFS) and wide gain range control across various applications. The manual provides detailed electrical specifications, operational guidelines, and integration information necessary for implementing this component in broadcasting studio equipment, mixing consoles, A/V receivers, multi-track recorders, and automotive audio systems.
Page 1 Text Content
查询PGA2311供应商
SBOS218A – DECEMBER 2001 – REVISED JUNE 2002
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
Mute Function MUSICAL INSTRUMENTS EFFECTS PROCESSORS
WIDE GAIN AND ATTENUATION RANGE
+31.5d B to –95.5d B with 0.5d B Steps A/V RECEIVERS LOW NOISE AND DISTORTION CAR AUDIO SYSTEMS
120d B Dynamic Range 0.0004% THD+N at 1k Hz (U-Grade)
DESCRIPTION
0.0002% THD+N at 1k Hz (A-Grade)
The PGA2311 is a high–performance, stereo audio
NOISE-FREE LEVEL TRANSITIONS
volume control designed for professional and high-end
LOW INTERCHANNEL CROSSTALK
consumer audio systems. Using high performance
–130d BFS
operational amplifier stages internal to the PGA2311 POWER SUPPLIES: ±5V Analog, +5V Digital yields low noise and distortion, while providing the capability to drive 600Ω loads directly without buffering.
AVAILABLE IN DIP-16 AND SOL-16
The 3-wire serial control interface allows for connection
PACKAGES
to a wide variety of host controllers, in addition to PIN AND SOFTWARE COMPATIBLE WITH THE support for daisy-chaining of multiple PGA2311 CRYSTAL CS3310 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.
www.ti.com
Page Summary Contents For Texas Instruments PGA2311 Data Handbook/Specifications manual
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 16 |
| File Size | 635.51 KB |
| Published | July 12, 2026 |
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Frequently Asked Questions
What is the noise and distortion performance of this audio control?
By using high-performance operational amplifier stages, it yields low noise and distortion while operating at –130dBFS.
What voltages are required for proper operation?
The device provides both ±5V Analog and +5V Digital capability.
Does the PGA2311 support linking multiple units?
Yes, it includes a 3-wire serial control interface that allows for daisy-chaining of multiple PGA2311 devices.
What is the specified operating temperature range?
The unit is designed to operate within a range of –40°C to +85°C.