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TPA3221 Datasheet(PDF) 14 Page - Texas Instruments

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Part # TPA3221
Description  100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3221 Datasheet(HTML) 14 Page - Texas Instruments

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2-CHANNEL
H-BRIDGE
BTL MODE
Output
H-Bridge 2
Hardwire
Over-
Current
Limit
PVDD
Power Supply
Decoupling
VDD, AVDD
& GVDD
Power Supply
Decoupling
SYSTEM
Power
Supplies
PVDD
VDD (5 V or 7-30 V)
GND
30 V
5 V or 7-30 V
GND
VAC
Bootstrap
Capacitors
BST2_P
BST2_M
2
nd Order
L-C Output
Filter for
each
H-Bridge
OUT2_P
OUT2_M
Bootstrap
Capacitors
BST1_P
BST1_M
IN1_M
2
nd Order
L-C Output
Filter for
each
H-Bridge
OUT1_P
OUT1_M
Output
H-Bridge 1
Input
H-Bridge 1
IN1_P
1SPW
Hardwire
Mode
Control
Input
H-Bridge 2
IN2_M
IN2_P
System
microcontroller or
Analog circuitry
*NOTE1: Logic AND in or outside microcontroller
OSCM
OSCP
Oscillator
Synchronization
Input DC
Blocking
Caps
Input DC
Blocking
Caps
ANALOG_IN1_M
ANALOG_IN1_P
ANALOG_IN2_M
ANALOG_IN2_P
FREQ_ADJ
Hardwire PWM
Frame Adjust
& Master/Slave
Mode
Copyright © 2016, Texas Instruments Incorporated
PBTL
Detect
14
TPA3221
SLASEE9 – JUNE 2017
www.ti.com
Product Folder Links: TPA3221
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
Functional Block Diagrams (continued)
Figure 1. System Block Diagram


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