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TPA3128D2, TPA3129D2 2x30-W, 2x15-W Class-D Amplifier With Low Idle Power Dissipation
SLOS941C
May 2016 – January 2018
TPA3128D2
,
TPA3129D2
PRODUCTION DATA.
CONTENTS
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TPA3128D2, TPA3129D2 2x30-W, 2x15-W Class-D Amplifier With Low Idle Power Dissipation
1
Features
2
Applications
3
Description
Device Images
Simplified Application Circuit
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
DC Electrical Characteristics
6.6
AC Electrical Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Gain Setting and Master and Slave
7.3.2
Input Impedance
7.3.3
Startup and Shutdown Operation
7.3.4
PLIMIT Operation
7.3.5
GVDD Supply
7.3.6
BSPx AND BSNx Capacitors
7.3.7
Differential Inputs
7.3.8
Device Protection System
7.3.9
DC Detect Protection
7.3.10
Short-Circuit Protection and Automatic Recovery Feature
7.3.11
Thermal Protection
7.3.12
Device Modulation Scheme
7.3.12.1
BD-Modulation
7.3.13
Efficiency: LC Filter Required with the Traditional Class-D Modulation Scheme
7.3.14
Ferrite Bead Filter Considerations
7.3.15
When to Use an Output Filter for EMI Suppression
7.3.16
AM Avoidance EMI Reduction
7.4
Device Functional Modes
7.4.1
PBTL Mode
7.4.2
Mono Mode (Single Channel Mode)
8
Applications and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requriements
8.2.2
Detailed Design Procedure
8.2.2.1
Select the PWM Frequency
8.2.2.2
Select the Amplifier Gain and Master/Slave Mode
8.2.2.3
Select Input Capacitance
8.2.2.4
Select Decoupling Capacitors
8.2.2.5
Select Bootstrap Capacitors
8.2.3
Application Curves
9
Power Supply Recommendations
9.1
Power Supply Mode
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DAP|32
MPDS380A
Thermal pad, mechanical data (Package|Pins)
DAP|32
PPTD001K
Orderable Information
slos941c_oa
slos941c_pm
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