ZHCSFV8C May 2016 – January 2018 TPA3128D2 , TPA3129D2
PRODUCTION DATA.
- 1 特性
- 2 应用
- 3 说明
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
-
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
- 7.3.13 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
- 8 Applications and Implementation
- 9 Power Supply Recommendations
- 10Layout
- 11器件和文档支持
- 12机械、封装和可订购信息
8.2 Typical Application
A 2.1 solution, U1 TPA312xD2 in Master mode 400 kHz, BTL, gain if 20 dB, power limit not implemented. U2 in Slave, PBTL mode gain of 20dB. Inputs are connected for differential inputs.
Figure 36. TPA312xD2 Schematic