The LM386L-DO8-T is a low voltage audio power amplifier manufactured by UTC (Unisonic Technologies Co., Ltd.). It's designed for use in low power applications such as portable audio devices. This amplifier requires few external components, making it easy to implement in various designs.

Applications

• Portable audio players: Amplifies the audio signal for headphones or small speakers.
• AM/FM radios: Provides audio amplification for radio receivers.
• Intercom systems: Used as an amplifier in intercom systems for clear voice communication.
• Small speakers: Drives small speakers in toys, games, and other electronic devices.
• Line drivers: Can be used to drive audio signals over short distances.

Features

• Low quiescent current drain: Minimizes power consumption when no signal is present.
• Wide supply voltage range: Operates from 4V to 12V.
• Voltage gain adjustable from 20 to 200: Allows for flexible gain settings.
• Low distortion: Provides high-quality audio amplification.
• Minimum external components: Simplifies circuit design and reduces cost.

Benefits

• Extended battery life: Low quiescent current drain maximizes the runtime of battery-powered devices.
• Simplified circuit design: Reduces the number of components needed, making it easier to implement.
• High-quality audio output: Low distortion ensures clear and accurate sound reproduction.
• Versatile gain adjustment: Allows for customization of the audio output level.
• Cost-effective solution: Provides a reliable and affordable audio amplification solution.

Additional Details

The LM386L-DO8-T operates with a minimum supply voltage of 4V and a maximum of 12V. Gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value up to 200. The DO-8 package allows for easy soldering to circuit boards. The datasheet provides details on recommended external components for stability and optimal performance.