LM4881 - 具有停机模式的 Boomer 双路 200 mW 耳机放大器

LM4881是TI德州仪器公司的一款耳机放大器产品，LM4881是具有停机模式的 Boomer 双路 200 mW 耳机放大器，本站介绍了LM4881的封装应用图解、特点和优点、功能等，并给出了与LM4881相关的TI元器件型号供参考。

LM4881 - 具有停机模式的 Boomer 双路 200 mW 耳机放大器 - 耳机放大器 - 低功耗放大器 - 德州仪器

产品描述

The LM4881 is a dual audio power amplifier capable of delivering 200mW of continuous average power into an 8? load with 0.1% THD+N from 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 LM4881 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4881 features an externally controlled, low power consumption shutdown mode which is virtually clickless and popless, as well as an internal thermal shutdown protection mechanism.

The unity-gain stable LM4881 can be configured by external gain-setting resistors.

产品特性

VSSOP Surface Mount Packaging
Unity-gain Stable
External Gain Configuration Capability
Thermal Shutdown Protection Circuitry
No Bootstrap Capacitors, or Snubber Circuits are Necessary

Key Specifications

THD+N at 1kHz at 125mW Continuous Average Output Power into 8? 0.1% (max)
THD+N at 1kHz at 75mW Continuous 0.02% (typ)
Output Power at 10% THD+N at 1kHz into 8? 300 mW (typ)
Shutdown Current 0.7µA (typ)
Supply Voltage Range 2.7V to 5.5 V

All trademarks are the property of their respective owners. Boomer is a trademark of Texas Instruments.

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