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TPA3251 Arkusz danych(PDF) 1 Page - Texas Instruments

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Numer części TPA3251
Szczegółowy opis  350W Mono PurePath Ultra-HD Analog-Input Class-D Amplifier
Download  39 Pages
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3251 Arkusz danych(HTML) 1 Page - Texas Instruments

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Po - Output Power - W
0.001
0.01
0.1
1
10
10m
100m
1
10
100 200
D000
TC = 75qC
4:
Power Supply
110VAC->240VAC
TAS5630
36V
TPA3251
Audio
Source
And Control
RIGHT
LEFT
LC
Filter
LC
Filter
/RESET
/FAULT
M1:M2
FREQ_ADJ
OSC_IO
/CLIP_OTW
Operation Mode Select
Switching Frequency Select
12V
Master/Slave Synchronization
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPA3251
SLASE40D – MAY 2015 – REVISED APRIL 2016
TPA3251 175-W Stereo, 350-W Mono PurePath™ Ultra-HD Analog-Input
Class-D Amplifier
1
1 Features
1
Differential Analog Inputs
Total Output Power at 10%THD+N
175-W Stereo into 4
Ω in BTL Configuration
220-W Stereo into 3
Ω in BTL Configuration
350-W Mono into 2
Ω in PBTL Configuration
Total Output Power at 1%THD+N
140-W Stereo into 4
Ω in BTL Configuration
175-W Stereo into 3
Ω in BTL Configuration
285-W Mono into 2
Ω in PBTL Configuration
Advanced Integrated Feedback Design with High-
speed Gate Driver Error Correction
(PurePath™ Ultra-HD)
Signal Bandwidth up to 100 kHz for High
Frequency Content From HD Sources
Ultra Low 0.005% THD+N at 1 W into 4
Ω and
<0.01% THD+N to Clipping
60 dB PSRR (BTL, No Input Signal)
<60 µV (A-Weighted) Output Noise
>111 dB (A Weighted) SNR
Multiple Configurations Possible:
Stereo, Mono, 2.1 and 4xSE
Click and Pop Free Startup and Stop
90% Efficient Class-D Operation (4
Ω)
Wide 12-V to 36-V Supply Voltage Operation
Self-Protection Design (Including Undervoltage,
Overtemperature, Clipping, and Short Circuit
Protection) With Error Reporting
EMI Compliant When Used With Recommended
System Design
2 Applications
Blu-ray Disk™ / DVD Receivers
High End HTiB Systems
AV Receivers
High End Soundbar
Mini Combo Systems
Active Speakers and Subwoofers
3 Description
TPA3251 is a high performance class-D power
amplifier that enables true premium sound quality
with class-D efficiency. It features an advanced
integrated feedback design and proprietary high-
speed gate driver error correction (PurePath™ Ultra-
HD). This technology allows ultra low distortion
across the audio band and superior audio quality.
The device can drive up to 2 x 175 W into 4-
Ω load
and 2 x 220 W into 3-
Ω load and features a 2 VRMS
analog input interface that works seamlessly with high
performance DACs such as TI's PCM5242. In
addition to excellent audio performance, TPA3251
achieves both high power efficiency and very low
power stage idle losses below 1 W. This is achieved
through the use of 60 m
Ω MOSFETs and an
optimized
gate
driver
scheme
that
achieves
significantly lower idle losses than typical discrete
implementations.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPA3251
HTSSOP (44)
6.10mm x 14.00mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic
Total Harmonic Distortion


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