LM4946 - Output Capacitor Less Audio Subsystem

Product Overview

National Semiconductor

Datasheet Details

Part number	LM4946
Manufacturer	National Semiconductor
File Size	1.45 MB
Description	Output Capacitor Less Audio Subsystem
Datasheet	LM4946 Datasheet
Additional preview pages of the LM4946 datasheet.

Product details

Description

The LM4946 is an audio power amplifier capable of delivering 540mW of continuous average power into a mono 8Ω bridged-tied load (BTL) with 1% THD+N, 35mW per channel of continuous average power into stereo 32Ω single-ended (SE) loads with 1% THD+N, or an output capacitor-less (OCL) configuration with identical specifications as the SE configuration, from a 3.3V power supply.

Features

a 32-step digital volume control and eight distinct output modes. The digital volume control, 3D enhancement, and output modes (mono/ SE/OCL) are programmed through a two-wire I2C or a threewire SPI compatible interface that allows flexibility in routing and mixing audio channels. The LM4946 is designed for cellular phone, PDA, and other portable handheld.

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Published: Nov 11, 2006 |