SLOU441 July   2016 TPA3255

 

  1.   TPA3255EVM
    1.     Trademarks
    2. 1 Hardware Overview
      1. 1.1 TPA3255EVM Features
      2. 1.2 TPA3255EVM Frequency Adjust
      3. 1.3 TPA3255EVM Single-Ended and Differential Input
      4. 1.4 TPA3255EVM Clip Overtemperature and Fault Indicators
    3. 2 TPA3255EVM Setup
      1. 2.1 TPA3255EVM Setup
      2. 2.2 Hardware Requirements
      3. 2.3 Hardware Default Setup BTL (2.0)
    4. 3 Using TPA3255EVM in Different Output Configurations
      1. 3.1 BTL Plus Two SE (2.1) Operation
      2. 3.2 PBTL (0.1) Output Operation
      3. 3.3 Single-Ended (SE) Output (4.0) Operation
    5. 4 Board Layouts, Bill of Materials, and Schematic
      1. 4.1 TPA3255EVM Board Layouts
      2. 4.2 TPA3255EVM Board Dimension
      3. 4.3 Bill of Materials
      4. 4.4 TPA3255EVM Schematics

3 Using TPA3255EVM in Different Output Configurations

The TPA3255EVM can be configured for four different output operations. The 2.0 BTL configuration is the default set up of the TPA3255EVM described in Section 2.3. The remaining three configurations are 2.1 BTL plus two single-ended (SE) outputs, 0.1 PBTL output, and 4.0 single-ended (SE) outputs.

Table 4. Mode Selection Pins

Mode Pins Input Mode Output Configuration Description
M2 M1
0 0 2N + 1 2 × BTL Stereo BTL output configuration
0 1 2N/1N + 1 1 × BTL + 2 × SE 2.1 BTL + SE mode
1 0 2N + 1 1 × PBTL Paralleled BTL configuration. Connect INPUT_C and INPUT_D to GND.
1 1 1N + 1 4 × SE Single-ended output configuration