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器件3D模型￥ 91.075
TAS5112ADCA 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
音频放大器
封装:
HTSSOP-56
描述:
TEXAS INSTRUMENTS TAS5112ADCA 芯片, 音频功率放大器
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TAS5112ADCA数据手册
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TAS5112A
SLES094B - OCTOBER 2003 - REVISED JUNE 2008
DIGITAL AMPLIFIER POWER STAGE
TM
FEATURES
D 50 W per Channel (BTL) Into 6 Ω (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,
Overtemperature and Short Conditions) With
Error Reporting
D Internal Gate Drive Supply Voltage Regulator
D 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.
P
O
- Output Power - W
100m
R
L
= 6 Ω
T
C
= 75°C
1 10 100
0.01
0.1
1
THD+N - Total Harmonic Distortion + Noise - %
THD + NOISE vs OUTPUT POWER
f - Frequency - Hz
20 100 1k 10k
THD+N - Total Harmonic Distortion + Noise - %
0.001
0.1
1
20k
R
L
= 6 Ω
T
C
= 75°C
0.01
THD + NOISE vs FREQUENCY
P
O
= 50 W
P
O
= 1 W
P
O
= 10 W
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.
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.
www.ti.com
Copyright © 2008, Texas Instruments Incorporated
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