Datasheet LM4861M/NOPB - National Semiconductor IC, AUDIO PWR AMP, CLASS AB, 1.1 W SOIC-8 — Datenblatt

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Manufacturer: National Semiconductor

Description: IC, AUDIO PWR AMP, CLASS AB, 1.1 W SOIC-8

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LM4861 1.1W Audio Power Amplifier with Shutdown Mode
February 2003
LM4861 1.1W Audio Power Amplifier with Shutdown Mode
General Description
The LM4861 is a bridge-connected audio power amplifier capable of delivering 1.1W of continuous average power to an 8 load with 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 LM4861 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is optimally suited for low-power portable systems. The LM4861 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. The unity-gain stable LM4861 can be configured by external gain-setting resistors for differential gains of up to 10 without the use of external compensation components. Higher gains may be achieved with suitable compensa

Specifications:

• Amplifier Case Style: SOIC
• Amplifier Class: AB
• Load Impedance: 8 Ohm
• Number of Channels: 1
• Operating Temperature Range: -40°C to +85°C
• Output Power: 1.1 W
• Supply Voltage Range: 2 V to 5.5 V

RoHS: Yes