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TPA3220 Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPA3220
Description  60-W Stereo, 100-W Peak HD Analog-Input, Pad-Down Class-D Amplifier
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3220 Datasheet(HTML) 1 Page - Texas Instruments

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Power Supply
110VAC->240VAC
TAS5630
30V
TPA322x
Audio Source
And Control
RIGHT
LEFT
LC Filter
LC Filter
RESET
FAULT
HEAD
FREQ_ADJ
OSCM/P
OTW_CLIP
Modulation Mode Select
Switching Frequency Select
5V
Master/Slave Synchronization
Copyright © 2017, 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.
TPA3220
SLASEN3 – JANUARY 2018
TPA3220 60-W Stereo, 100-W Peak HD Analog-Input, Pad-Down 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
60-W Stereo Continuous into 8 Ω in BTL
105-W Stereo Peak into 4 Ω in BTL
Output Power at 1% THD+N
50-W Stereo Continuous into 8 Ω in BTL
88-W Stereo Peak into 4 Ω in BTL
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 HEAD Modulation Schemes
Low-Power Operating Modes
Standby Modes: Mute and < 1 mA Shutdown
Low Idle-Current HEAD 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: 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)
Thermal Pad Located on Package Bottom
Pin-Compatible Family of Devices with Voltage
and Power-Level Options
2 Applications
Bluetooth and Wi-Fi™ Speakers
Sound Bars
Subwoofers
Bookshelf Stereo Systems
Professional and Public Address (PA) Speakers
3 Description
TPA3220 is a pad-down Class-D 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 HEAD (High Efficiency
AD) modulation and can drive up to 2 x 50 W
continuously or 2 x 105 W peak into 4-Ω load with the
thermal pad on bottom connected to the PCB.
The TPA3220 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 TPA3220 also achieves >90% efficiency, low
idle power (<0.25 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. TPA3220 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)
TPA3220
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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