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参数资料
型号： TPA2017D2RTJT
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20
封装： 4 X 4 MM, GREEN, PLASTIC, QFN-20
文件页数： 1/20页
文件大小： 642K
代理商： TPA2017D2RTJT
1
FEATURES
DESCRIPTION
APPLICATIONS
SIMPLIFIED APPLICATION DIAGRAM
AVdd
INL-
INL+
AGND
PGND
OUTL+
OUTL-
PVddR
10 F
m
ToBattery
AGC2
INR-
INR+
C
1 F
IN
m
OUTR+
OUTR-
AGC1
EN
Enable1
Enable2
MasterShutdown
TPA2017D2
(optional)
Digital
BaseBand
Analog
Baseband
or
CODEC
PVddL
TPA2017D2
www.ti.com ..................................................................................................................................................................................................... SLOS584 – APRIL 2009
2.8-W/Ch Stereo Class-D Audio Amplifier with SmartGainTM Dynamic Range Compression
and AGC
Filter-Free Class-D Architecture
The
TPA2017D2
(sometimes
referred
to
as
TPA2017) is a stereo, filter-free Class-D audio power
3 SmartGainTM functions
amplifier
with
SmartGainTM
dynamic
range
–
AGC DRC Function
compression (DRC), automatic gain control (AGC),
–
AGC Limiter Function
and noise gate. It is available in a 4 mm x 4mm QFN
–
AGC Noise Gate Function
package.
1.7 W/Ch Into 8 at 5 V (10% THD+N)
SmartGainTM
functions
are
configured
to
automatically prevent distortion of the audio signal
750 mW/Ch Into 8 at 3.6 V (10% THD+N)
and enhance quiet passages that are normally not
2.8 W/Ch Into 4 at 5 V (10% THD+N)
heard. SmartGainTM is a combined AGC DRC and
1.5 W/Ch Into 4 at 3.6 V (10% THD+N)
Limiter that protects the speaker from damage at high
Power Supply Range: 2.5 V to 5.5 V
power levels and compress the dynamic range of
voice or music to fit within the dynamic range of the
Low Supply Current: 3.5 mA
speaker. SmartGainTM DRC, limiter, and noise gate
Low Shutdown Current: 0.2 A
functions
can
be
enabled
or
disabled.
The
High PSRR: 75 dB at 217 Hz
TPA2017D2 (TPA2017) is capable of driving 1.7
W/Ch at 4 V or 750mW/Ch at 3.6 V into 8
load or
Fast Start-up Time: 5 ms
2.8 W/Ch at 5 V or 1.5 W/Ch at 3.6 V into 4
. The
Short-Circuit and Thermal Protection
device features an enable pin and also provides
Space-Saving Package
thermal and short circuit protection.
–
4 mm × 4 mm QFN (RTJ)
In addition to these features, a fast start-up time and
small package size make the TPA2017D2 (TPA2017)
an ideal choice for Notebook PCs, PDAs and other
portable applications.
Wireless or Cellular Handsets and PDAs
Portable Navigation Devices
Portable DVD Player
Notebook PCs
Portable Radio
Portable Games
Educational Toys
USB Speakers
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 2009, 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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相关代理商/技术参数
参数描述
TPA2017D2RTJT 制造商:Texas Instruments 功能描述:; No. of Channels:2; Output Power Po rm
TPA2017D2V2RTJR 制造商:Texas Instruments 功能描述:
TPA2018D1 制造商:TI 制造商全称:Texas Instruments 功能描述:3-W Mono Class-D Audio Amplifier with SmartGain AGC/DRC
TPA2018D1YZFEVM 功能描述:音频 IC 开发工具 TPA2018D1YZF Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
TPA2018D1YZFR 功能描述:音频放大器 3W Mono Class-D Aud Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
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