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PT3371 - 3W Class-AB Audio Power Amplifier

General Description

The PT3371 is a Class-AB audio power amplifier.

When operating with a 5V supply voltage, it is capable of driving a 4Ω speaker load at a continuous average output of 3W with 10% THD+N.

The external application circuit is simple, integrated internal feedback resistor, do without LC low-pass filter.

Key Features

  • CMOS technology.
  • Supply Voltage(VDD) from 2.5V to 5.5V.
  • Maximum output power:3W (VDD=5V, RL=4Ω, THD=10%).
  • Integrated low-pass filter for out-of-band noise rejection.
  • Gv can be adjusted by adjusting the input resistance.
  • Shutdown function, turn on can into save mode.
  • Built-in pop and click noise suppress.
  • Built-in over-temperature protection.
  • Available in SOP8 package.

📥 Download Datasheet

Datasheet Details

Part number PT3371
Manufacturer PTC
File Size 135.31 KB
Description 3W Class-AB Audio Power Amplifier
Datasheet download datasheet PT3371 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DESCRIPTION The PT3371 is a Class-AB audio power amplifier. When operating with a 5V supply voltage, it is capable of driving a 4Ω speaker load at a continuous average output of 3W with 10% THD+N. The external application circuit is simple, integrated internal feedback resistor, do without LC low-pass filter. Builtin over- temperature protection, package size is not occupied PCB space. Meanwhile, the PT3371 offers built-in and shut-down control circuitry for optimal pop-free performance. APPLICATIONS  Portable speaker  LCD TV or Monitor  Laptop or MID  Portable DVD PT3371 3W Class-AB Audio Power Amplifier FEATURES  CMOS technology  Supply Voltage(VDD) from 2.5V to 5.