SLASEE9C
September 2017 – May 2025
TPA3221
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Audio Characteristics (BTL)
6.7
Audio Characteristics (PBTL)
Typical Characteristics, BTL Configuration, AD-mode
Typical Characteristics, PBTL Configuration, AD-mode
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Internal LDO
8.3.1.1
Input Configuration, Gain Setting And Controller/Peripheral Operation
8.3.2
Gain Setting And Controller / Peripheral Operation
8.3.3
AD-Mode and HEAD-Mode PWM Modulation
8.3.4
Oscillator
8.3.5
Input Impedance
8.3.6
Error Reporting
8.4
Device Functional Modes
8.4.1
Powering Up
8.4.1.1
Startup Ramp Time
8.4.2
Powering Down
8.4.2.1
Power Down Ramp Time
8.4.3
Device Reset
8.4.4
Device Soft Mute
8.4.5
Device Protection System
8.4.5.1
Overload and Short Circuit Current Protection
8.4.5.2
Signal Clipping and Pulse Injector
8.4.5.3
DC Speaker Protection
8.4.5.4
Pin-to-Pin Short Circuit Protection (PPSC)
8.4.5.5
Overtemperature Protection OTW and OTE
8.4.5.6
Undervoltage Protection (UVP) and Power-on Reset (POR)
8.4.5.7
Fault Handling
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Stereo BTL Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedures
9.2.1.2.1
Decoupling Capacitor Recommendations
9.2.1.2.2
PVDD Capacitor Recommendation
9.2.1.2.3
BST capacitors
9.2.1.2.4
PCB Material Recommendation
9.2.2
Typical Application, Differential (2N), AD-Mode PBTL (Outputs Paralleled before LC filter)
9.2.2.1
Design Requirements
9.2.3
Typical Application, Differential (2N), AD-Mode PBTL (Outputs Paralleled after LC filter)
9.2.3.1
Design Requirements
9.3
Power Supply Recommendations
9.3.1
Power Supplies
9.3.1.1
VDD Supply
9.3.1.2
AVDD and GVDD Supplies
9.3.1.3
PVDD Supply
9.3.1.4
BST Supply
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Examples
9.4.2.1
BTL Application Printed Circuit Board Layout Example
9.4.2.2
PBTL (Outputs Paralleled before LC filter) Application Printed Circuit Board Layout Example
9.4.2.3
PBTL (Outputs Paralleled after LC filter) Application Printed Circuit Board Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.2
Receiving Notification of Documentation Updates
10.3
Community Resources
10.4
Trademarks
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDV|44
MPDS169G
Thermal pad, mechanical data (Package|Pins)
DDV|44
PPTD233A
Orderable Information
slasee9c_oa
slasee9c_pm
Data Sheet
TPA3221
100W Stereo, 200W Mono HD-Audio, Analog-Input, Class-D Amplifier