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PGA4311_07 Datasheet, PDF (1/15 Pages) Burr-Brown (TI) – 4-Channel Audio Volume Control | |||
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PGA4311
SBOS230A â MARCH 2002 â REVISED JUNE 2002
4ÄChannel Audio Volume Control
FEATURES
D DIGITALLY-CONTROLLED ANALOG VOLUME
CONTROL:
Four Independent Audio Channels
Serial Control Interface
Zero Crossing Detection
Mute Function
D WIDE GAIN AND ATTENUATION RANGE:
+31.5dB to â95.5dB with 0.5dB Steps
D LOW NOISE AND DISTORTION:
120dB Dynamic Range
0.0004% THD+N at 1kHz (UâGrade)
0.0002% THD+N at 1kHz (AâGrade)
D NOISE-FREE LEVEL TRANSITIONS
D LOW INTERCHANNEL CROSSTALK:
â130dBFS
D POWER SUPPLIES: ±5V Analog, +5V Digital
D AVAILABLE IN AN SOP-28 PACKAGE
APPLICATIONS
D AUDIO AMPLIFIERS
D MIXING CONSOLES
D MULTIâTRACK RECORDERS
D BROADCAST STUDIO EQUIPMENT
D MUSICAL INSTRUMENTS
D EFFECTS PROCESSORS
D A/V RECEIVERS
D CAR AUDIO SYSTEMS
DESCRIPTION
The PGA4311 is a highâperformance, 4-channel audio
volume control designed for professional and high-end
consumer audio systems. Using high performance
operational amplifier stages internal to the PGA4311
yields low noise and distortion, while providing the
capability to drive 600⦠loads directly without buffering.
The 3-wire serial control interface allows for connection
to a wide variety of host controllers, in addition to
support for daisy-chaining of multiple PGA4311
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.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
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www.ti.com
Copyright  2002, Texas Instruments Incorporated
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