6.5-W mono, 8- to 18-V supply, analog input Class-D audio amplifier


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Package | Pins | Size

TSSOP (PW) 24 34 mm² 4.4 x 7.8 open-in-new Find other Speaker amps


  • 6.5 W Into 8- to VCC, Short to GND, Short Between Outputs)
  • Third-Generation Modulation Technique:
    • Replaces Large LC Filter With Small, Low-Cost Ferrite Bead Filter in Most Applications
    • Improved Efficiency
    • Improved SNR
  • Low Supply Current... mA Typ at 12 V
  • Shutdown Control... < 1µA Typ
    • LCD Monitors/TVs
    • Desktop Replacement Notebook PCs
    • Hands-Free Car Kits
    • Powered Speakers

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The TPA3007D1 is a 6.5-W mono bridge-tied load (BTL) class-D audio power amplifier with high efficiency, eliminating the need for heat sinks. The TPA3007D1 can drive 8- speakers with only a ferrite bead filter required to reduce EMI.

The gain of the amplifier is controlled by two input terminals, GAIN1 and GAIN0. This allows the amplifier to be configured for a gain of 12, 18, 23.6, and 36 dB. The differential input stage provides high common mode rejection and improved power supply rejection.

The amplifier also includes "de-pop" circuitry to reduce the amount of pop at power-up and when cycling SHUTDOWN.

The TPA3007D1 is available in the 24-pin TSSOP package (PW) and does not require an external heat sink.

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Next Generation 6-W, Stereo, Analog Input Class-D Audio Amplifier:  TPA3113D2

Next Generation Low-EMI 6-W, Stereo, Analog Input Class-D Audio Amplifier:  TPA3137D2

Technical documentation

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Type Title Date
* Datasheet 6.5-W Mono Class-D Audio Power Amplifier datasheet (Rev. D) Mar. 03, 2008
Application notes Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug. 26, 2019
Application notes AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun. 27, 2019
Application notes AN-1737 Managing EMI in Class D Audio Applications (Rev. A) May 01, 2013
User guides TPA3007D1EVM - User Guide Oct. 15, 2003

Design & development

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