SLASEM8A
January 2019 – March 2019
TPA3255-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
Total Harmonic Distortion
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
Electrical Characteristics
6.6
Audio Characteristics (BTL)
6.7
Audio Characteristics (SE)
6.8
Audio Characteristics (PBTL)
6.9
Typical Characteristics, BTL Configuration
6.10
Typical Characteristics, SE Configuration
6.11
Typical Characteristics, PBTL Configuration
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Error Reporting
8.4
Device Functional Modes
8.4.1
Device Protection System
8.4.1.1
Overload and Short Circuit Current Protection
8.4.1.2
Signal Clipping and Pulse Injector
8.4.1.3
DC Speaker Protection
8.4.1.4
Pin-to-Pin Short Circuit Protection (PPSC)
8.4.1.5
Overtemperature Protection OTW and OTE
8.4.1.6
Undervoltage Protection (UVP) and Power-on Reset (POR)
8.4.1.7
Fault Handling
8.4.1.8
Device Reset
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
PCB Material Recommendation
9.2.1.2.4
Oscillator
9.2.2
Application Curves
9.2.3
Typical Application, Single Ended (1N) SE
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedures
9.2.3.3
Application Curves
9.2.4
Typical Application, Differential (2N) PBTL
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedures
9.2.4.3
Application Curves
10
Power Supply Recommendations
10.1
Power Supplies
10.1.1
VDD Supply
10.1.2
GVDD_X Supply
10.1.3
PVDD Supply
10.2
Powering Up
10.3
Powering Down
10.4
Thermal Design
10.4.1
Thermal Performance
10.4.2
Thermal Performance with Continuous Output Power
10.4.3
Thermal Performance with Non-Continuous Output Power
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
11.2.1
BTL Application Printed Circuit Board Layout Example
11.2.2
SE Application Printed Circuit Board Layout Example
11.2.3
PBTL Application Printed Circuit Board Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
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
slasem8a_oa
slasem8a_pm
10.4
Thermal Design