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TAS5709PHPR Datasheet(PDF) 1 Page - Texas Instruments

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Part # TAS5709PHPR
Description  20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC
Download  59 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5709PHPR Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION
TAS5709
www.ti.com........................................................................................................................................................................................... SLOS599 – NOVEMBER 2008
20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC
• Audio Input/Output
Performance
20-W Into an 8-
Ω Load From an 18-V Supply
DRC: Dynamic Range Compression. Can
Be Used As Power Limiter. Enables
Wide PVDD Range, From 8 V to 24 V
Speaker Protection, Easy Listening,
Efficient Class-D Operation Eliminates
Night-Mode Listening.
Need for Heatsinks
2-Band DRC: Set 2 different thresholds for
Requires Only 3.3 V and PVDD
low and high frequency content.
One Serial Audio Input (Two Audio
Autobank Switching: Preload Coefficients
Channels)
for Different Sample Rates. No Need to
Supports 8-kHz to 48-kHz Sample Rate
Write new Coefficients to the Part When
(LJ/RJ/I2S)
Sample Rate Changes.
• Audio/PWM Processing
Autodetect: Automatically Detects
Independent Channel Volume Controls With
Sample-Rate Changes. No Need for
24-dB to Mute
External Microprocessor Intervention
Soft Mute (50% Duty Cycle)
Programmable 2-Band Dynamic Range
Control
The TAS5709 is a 20-W, efficient, digital audio power
amplifier for driving stereo bridge-tied speakers. One
22 Programmable Biquads for Speaker EQ
serial data input allows processing of up to two
and Other Audio Processing Features
discrete audio channels and seamless integration to
Programmable Coefficients for DRC Filters
most digital audio processors and MPEG decoders.
Programmable Input and Output Mixers
The device accepts a wide range of input data and
data rates. A fully programmable data path routes
DC Blocking Filters
these channels to the internal speaker drivers.
Support for 3D Effects
The TAS5709 is a slave-only device receiving all
Pseudo Bass Support
clocks from external sources. The TAS5709 operates
• General Features
with a PWM carrier between 384-kHz switching rate
Serial Control Interface Operational Without
and 352-KHz switching rate depending on the input
MCLK
sample
rate.
Oversampling
combined
with
a
fourth-order noise shaper provides a flat noise floor
Factory-Trimmed Internal Oscillator for
and excellent dynamic range from 20 Hz to 20 kHz.
automatic rate detection
Surface Mount, 48-PIN, 7-mm × 7-mm
HTQFP Package
Thermal and Short-Circuit Protection
• Benefits
EQ: Speaker Equalization Improves Audio
1
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.
Copyright © 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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