LM4946 - Output Capacitor-Less Audio Subsystem

Texas Instruments

The LM4946 by Texas Instruments is a Output Capacitor-Less Audio Subsystem. Below is the official datasheet preview.

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LM4946 Output Capacitor-Less Audio Subsystem by Texas Instruments - Datasheet Preview — Official preview page of the **LM4946** Output Capacitor-Less Audio Subsystem datasheet (Texas Instruments).

Datasheet Details

Part number	LM4946
Manufacturer	Texas Instruments
File Size	1.48 MB
Description	Output Capacitor-Less Audio Subsystem
Datasheet	LM4946-etcTI.pdf
Additional preview pages of the LM4946 datasheet.

LM4946 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

1.
2 I2C/SPI Control Interface.
I2C/SPI Programmable TI 3D Audio.
I2C/SPI Controlled 32 Step Digital Volume Control (-54dB to +18dB).
Three Independent Volume Channels (Left, Right, Mono).
Eight Distinct Output Modes.
WQFN and DSBGA Surface Mount Packaging.
“Click and Pop” Suppression Circuitry.
Thermal Shutdown Protection.
Low Shutdown Current (0.02uA, typ).
RF Immunity Topology.

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Published: May 19, 2023 |