LM4946 Output Capacitor Less Audio Subsystem

National Semiconductor

Description

www.DataSheet4U.com LM4946Output Capacitor-Less Audio Subsystem with Programmable National 3D May 2006 LM4946 Output Capacitor-Less Audio Subsystem.
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, 3.

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Datasheet Specifications

Part number: LM4946
Manufacturer: National Semiconductor
File Size: 1.45 MB
Datasheet: LM4946_NationalSemiconductor.pdf
Description: Output Capacitor Less Audio Subsystem

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 desi

Applications

* It delivers high quality output power from a surface-mount package and requires only seven external components in the OCL mode (two additional components in SE mode). Key Specifications j THD+N at 1kHz, 540mW into 8Ω BTL (3.3V) j THD+N at 1kHz, 35mW 1.0% (typ) 1.0% (typ) 2.7 to 5.5V 2.2 to 5.5V

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LM4946 Output Capacitor Less Audio Subsystem National Semiconductor

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