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LM4880-具有停机模式的双路 200 mW 音频功率放大器
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TI产品 - LM4880介绍

LM4880 - 具有停机模式的双路 200 mW 音频功率放大器

LM4880是TI德州仪器公司的一款耳机放大器产品，LM4880是具有停机模式的双路 200 mW 音频功率放大器，本站介绍了LM4880的封装应用图解、特点和优点、功能等，并给出了与LM4880相关的TI元器件型号供参考。

LM4880 - 具有停机模式的双路 200 mW 音频功率放大器 - 耳机放大器 - 低功耗放大器 - 德州仪器

产品描述

The LM4880 is a dual audio power amplifier capable of delivering typically 250mW per channel of continuous average power to an 8Ω load with 0.1% THD+N using a 5V power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging.

Since the LM4880 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4880 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.

The unity-gain stable LM4880 can be configured by external gain-setting resistors.

产品特性

  • No Bootstrap Capacitors or Snubber Circuits are Necessary
  • Small Outline (SOIC) and PDIP Packaging
  • Unity-Gain Stable
  • External Gain Configuration Capability

Key Specifications

  • THD+N at 1kHz at 200mW Continuous Average Output Power into 8Ω: 0.1% (max)
  • THD+N at 1kHz at 85mW Continuous Average Output Power into 32Ω: 0.1% (typ)
  • Output Power at 10% THD+N at 1kHz into 8Ω 325 mW (typ)
  • Shutdown Current 0.7 µA (typ)
  • 2.7V to 5.5V Supply Voltage Range

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