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TAS5112ADFDRG4 参数 Datasheet PDF下载

TAS5112ADFDRG4图片预览
型号: TAS5112ADFDRG4
PDF下载: 下载PDF文件 查看货源
内容描述: 数字AMPLIIFIER功率级 [DIGITAL AMPLIIFIER POWER STAGE]
分类和应用: 消费电路商用集成电路音频放大器视频放大器光电二极管
文件页数/大小: 22 页 / 535 K
品牌: TI [ TEXAS INSTRUMENTS ]
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www.ti.com
TAS5112A
SLES094A - OCTOBER 2003 - REVISED MARCH 2004
TM
DIGITAL AMPLIFIER POWER STAGE
FEATURES
D
50 W per Channel (BTL) Into 6
(Stereo)
D
95-dB Dynamic Range With TAS5026
D
Less Than 0.1% THD+N (1 W RMS Into 6
Ω)
D
Less Than 0.2% THD+N (50 W RMS into 6
Ω)
D
Power Efficiency Typically 90% Into 6-Ω Load
D
Self-Protecting Design (Undervoltage,
D
D
Overtemperature and Short Conditions) With
Error Reporting
Internal Gate Drive Supply Voltage Regulator
EMI Compliant When Used With
Recommended System Design
APPLICATIONS
D
DVD Receiver
D
Home Theatre
D
Mini/Micro Component Systems
D
Internet Music Appliance
DESCRIPTION
The TAS5112A is a high-performance, integrated stereo
digital amplifier power stage designed to drive 6-Ω
speakers at up to 50 W per channel. The device
incorporates TI’s PurePath Digitalt technology and is
used with a digital audio PWM processor (TAS50XX) and
a simple passive demodulation filter to deliver high-quality,
high-efficiency, true-digital audio amplification.
The efficiency of this digital amplifier is typically 90%,
reducing the size of both the power supplies and heatsinks
needed. Overcurrent protection, overtemperature
protection, and undervoltage protection are built into the
TAS5112A, safeguarding the device and speakers against
fault conditions that could damage the system.
THD + NOISE vs OUTPUT POWER
1
THD+N - Total Harmonic Distortion + Noise - %
THD+N - Total Harmonic Distortion + Noise - %
RL = 6
TC = 75°C
1
THD + NOISE vs FREQUENCY
RL = 6
TC = 75°C
PO = 50 W
0.1
PO = 10 W
PO = 1 W
0.01
0.1
0.01
100m
1
10
100
0.001
20
100
1k
f - Frequency - Hz
10k 20k
PO
-
Output Power - W
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.
PurePath Digital and PowerPAD are trademarks of Texas Instruments.
Other trademarks are the property of their respective owners.
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.
Copyright
2004, Texas Instruments Incorporated