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TPA3221DDV Folha de dados(PDF) 1 Page - Texas Instruments

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Nome de Peças TPA3221DDV
Descrição Electrónicos  100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier
Download  39 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3221DDV Folha de dados(HTML) 1 Page - Texas Instruments

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Power Supply
110VAC->240VAC
TAS5630
30V
TPA3221
Audio Source
And Control
RIGHT
LEFT
LC Filter
LC Filter
RESET
FAULT
1SPW
FREQ_ADJ
OSCM/P
OTW_CLIP
Modulation Mode Select
Switching Frequency Select
5V
Master/Slave Synchronization
Copyright © 2016, Texas Instruments Incorporated
CMUTE
PVDD
GVDD
AVDD
VDD
PBTL
Detect
Product
Folder
Order
Now
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. ADVANCE INFORMATION for pre-production products; subject to
change without notice.
TPA3221
SLASEE9 – JUNE 2017
TPA3221 100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier
1
1 Features
1
Wide 7-V to 30-V Supply Voltage Operation
Stereo (2 x BTL) and Mono (1 x PBTL) Operation
Output Power at 10% THD+N
100-W Stereo into 4 Ω in BTL Configuration
130-W Stereo into 3 Ω in BTL Configuration
200-W Mono into 2 Ω in PBTL Configuration
Output Power at 1% THD+N
80-W Stereo into 4 Ω in BTL Configuration
100-W Stereo into 3 Ω in BTL Configuration
160-W Mono into 2 Ω in PBTL Configuration
5-V Gate Drive or Built-in LDO for Optional Single-
Supply Operation
Closed-Loop Feedback Design
Signal Bandwidth up to 100 kHz for High-
Frequency Content From HD Sources
0.02% THD+N at 1 W into 4 Ω
60-dB PSRR (BTL, No Input Signal)
<75-µV Output Noise (A-Weighted)
>108-dB SNR (A-Weighted)
AD or 1SPW Modulation Schemes
Low-Power Operating Modes
Standby Modes: Mute and < 1 mA Shutdown
Low Idle-Current 1SPW Modulation Scheme
Single-Channel BTL Operation
Multiple Input Options to Simplify Pre-Amp Design
Differential or Single-Ended Analog Inputs
Selectable Gains: 18 dB, 24 dB, 30 dB, 34 dB
Integrated Protection Features: Undervoltage,
Overvoltage, Cycle-by-cycle Current Limit, Short
Circuit, Clipping Detection, Overtemperature
Warning and Shutdown, and DC Speaker
Protection
90% Efficient Class-D Operation (4
Ω)
Pin-Compatible Family of Devices with Voltage
and Power-Level Options
2 Applications
Wireless and Powered Speakers
Soundbars
Subwoofers
Bookshelf Stereo Systems
Professional and Public Address (PA) Speakers
3 Description
TPA3221 is a high-power Class-D amplifier with
amplifier that enables efficient operation at full-power,
idle and standby. The device features closed-loop
feedback with a bandwidth up to 100 kHz, which
provides low distortion across the audio band and
delivers excellent sound quality. The device operates
with either AD or low idle-current 1SPW modulation,
and can drive up to 2 x 100 W into 4-Ω load or 1 x
200 W into 2-Ω load.
The TPA3221 features a single-ended or differential
analog-input interface that supports up to 2 VRMS with
four selectable gains: 18 dB, 24 dB, 30 dB and 34
dB. The TPA3221 also achieves >90% efficiency, low
idle power (< 0.5 W), and ultra-low standby power (<
0.1 W). This is made possible through the use of 70-
mΩ MOSFETs, an optimized gate drive scheme and
low-power operating modes. TPA3221 includes a
built-in LDO for easy integration in single-power-
supply systems. To further simplify the design, the
device
integrates
essential
protection
features,
including undervoltage, overvoltage, cycle-by-cycle
current
limit,
short
circuit,
clipping
detection,
overtemperature warning and shutdown, as well as
dc speaker protection.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPA3221
HTSSOP (44)
6.10 mm x 14.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic


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