參數(shù)資料
型號(hào)： TAS5711PHPR
廠商： Texas Instruments
文件頁(yè)數(shù)： 1/66頁(yè)
文件大?。?/td> 0K
描述： IC AMP AUD DGTL 20W 2CH 48HTQFP
標(biāo)準(zhǔn)包裝： 1
類型： D 類
輸出類型： 2 通道（立體聲，2.1）或 4 通道（四路）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 21W x 2 @ 8 歐姆
電源電壓： 8 V ~ 26 V
特點(diǎn)： 消除爆音，數(shù)字輸入，I²C，I²S，靜音，短路和熱保護(hù)，關(guān)機(jī)，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 48-HTQFP（7x7）
封裝/外殼： 48-TQFP 裸露焊盤
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面： 860 (CN2011-ZH PDF)
其它名稱： 296-25564-6
www.ti.com
SLOS600A – DECEMBER 2009 – REVISED AUGUST 2010
20-W DIGITAL AUDIO-POWER AMPLIFIER WITH EQ, DRC, AND 2.1 MODE
Check for Samples: TAS5711
1
FEATURES
2
Audio Input/Output
Benefits
–
20-W Into an 8-
Load From an 18-V Supply
–
Up to 90% Efficient
–
Wide PVDD Range, From 8 V to 26 V
–
AD and BD Filter Mode Support
–
Efficient Class-D Operation Eliminates
–
SNR: 106 dB, A-Weighted
Need for Heatsinks
–
EQ: Speaker Equalization Improves Audio
–
One Serial Audio Input (Two Audio
Performance
Channels)
–
DRC: Dynamic Range Compression. Can
–
2.1 Mode (2 SE + 1 BTL)
Be Used As Power Limiter. Enables
Speaker Protection, Easy Listening,
–
2.0 Mode (2 BTL)
Night-Mode Listening.
–
Single-Filter PBTL Mode Support
–
Separate DRC for Satellite and
–
I2C Address Selection Pin (Chip Select)
Subchannels
–
Supports 8-kHz to 48-kHz Sample Rate
–
Autobank Switching: Preload Coefficients
(LJ/RJ/I2S)
for Different Sample Rates. No Need to
Audio/PWM Processing
Write new Coefficients to the Part When
–
Independent Channel Volume Controls With
Sample Rate Changes.
24-dB to Mute
–
Autodetect: Automatically Detects
–
Separate Dynamic Range Control for
Sample-Rate Changes. No Need for
Satellite and Subchannels
External Microprocessor Intervention
–
21 Programmable Biquads for Speaker EQ
Requires Only 3.3 V and PVDD
and Other Audio Processing Features
–
Programmable Coefficients for DRC Filters
APPLICATIONS
Television
–
DC Blocking Filters
iPod Dock
–
Support for 3D Effects
Sound Bar
General Features
–
Serial Control Interface Operational Without
DESCRIPTION
MCLK
The TAS5711 is a 20-W, efficient, digital audio power
–
Factory-Trimmed Internal Oscillator for
amplifier for driving stereo bridge-tied speakers. One
Automatic Rate Detection
serial data input allows processing of up to two
–
Surface Mount, 48-Pin, 7-mm × 7-mm
discrete audio channels and seamless integration to
HTQFP Package
most digital audio processors and MPEG decoders.
The device accepts a wide range of input data and
–
Thermal and Short-Circuit Protection
data rates. A fully programmable data path routes
–
Support for AD or BD Mode
these channels to the internal speaker drivers.
The TAS5711 is an I2S slave-only device receiving all
clocks from external sources. The TAS5711 operates
with a PWM carrier between 384-kHz switching rate
and 352-KHz switching rate depending on the input
sample
rate.
Oversampling
combined
with
a
fourth-order noise shaper provides a flat noise floor
and excellent dynamic range from 20 Hz to 20 kHz.
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.
2
iPod is a trademark of Apple Inc.
PRODUCTION DATA information is current as of publication date.
Copyright 2009–2010, 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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