SLOS907C
April 2015 – December 2017
TPA3144D2
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Switching Characteristics
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Gain Setting via GAIN Pin
9.3.2
SD Operation
9.3.3
Gain Limit Control, LIMTHRES and LIMRATE
9.3.4
SPEAKERGUARD Automatic Gain Limit, AGL
9.3.5
Thermal Foldback, TFB
9.3.6
PLIMIT
9.3.7
LIMTHRES
9.3.8
Spread Spectrum and De-Phase Control
9.3.9
GVDD Supply
9.3.10
DC Detect
9.3.11
PBTL Select
9.3.12
Short-Circuit Protection and Automatic Recovery Feature
9.3.13
Thermal Protection
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Design Requirements
10.2.1.1
PCB Material Recommendation
10.2.1.2
PVCC Capacitor Recommendation
10.2.1.3
Decoupling Capacitor Recommendations
10.2.2
Detailed Design Procedure
10.2.2.1
Ferrite Bead Filter Considerations
10.2.2.2
Efficiency: LC Filter Required with the Traditional Class-D Modulation Scheme
10.2.2.3
When to Use an Output Filter for EMI Suppression
10.2.2.4
Input Resistance
10.2.2.5
Input Capacitor, Ci
10.2.2.6
BSN and BSP Capacitors
10.2.2.7
Differential Inputs
10.2.2.8
Using Low-ESR Capacitors
10.2.3
Application Performance Curves
10.2.3.1
EN55013 Radiated Emissions Results
10.2.3.2
EN55022 Conducted Emissions Results
11
Power Supply Recommendations
11.1
Power Supply Decoupling, CS
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Community Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|28
MPDS373B
Thermal pad, mechanical data (Package|Pins)
PWP|28
PPTD031AA
Orderable Information
slos907c_oa
slos907c_pm
7.6
Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
MIN
NOM
MAX
UNIT
f
OSC
Oscillator frequency
250
310
350
kHz
f
OSC, SS
Oscillator frequency, Spread Spectrum ON
255
315
355
kHz