TPA3123D2PWP

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1. Describe

The TPA3123D2PWP is a 25W (per channel) high efficiency Class D audio power amplifier designed to drive stereo speakers in a single-ended configuration or mono speakers in a bridged load configuration. The TPA3123D2PWP can drive stereo speakers down to 4 Ω. The efficiency of the TPA3123D2PWP eliminates the need for an external heat sink when playing music. The gain of the amplifier is controlled by two gain select pins. Gain selections are 20, 26, 32, 36 dB. A patented startup and shutdown sequence minimizes popping noise in the speaker without additional circuitry.

2. Feature

    1. 25W/ch from 27V supply to 4Ω load

    2. 20W/ch from 24V supply to 4Ω load

    3. 10 V to 30 V operating voltage

    4. Efficient Class D operation eliminates the need for heat sinks

    5. Four selectable fixed gain settings

    6. Internal oscillator (no external components required)

    7. Single-ended analog input

    8. Thermal and short circuit protection with automatic recovery

    9. Space saving surface mount 24-pin TSSOP package

  10. Pin-to-pin compatible with TPA3120D2

  11. Advanced shutdown pop-up reduction

3. Application

    1. television

4. Pin configuration

5. Pin Description