LM4961 Datasheet Ceramic Speaker Driver

Manufacturer: Texas Instruments

LM4961 ceramic speaker driver by Texas Instruments - Datasheet Preview

Datasheet Details

Part number	LM4961
Manufacturer	Texas Instruments
File Size	1.98 MB
Description	Ceramic Speaker Driver
Download	LM4961 Download (PDF)

General Description

The LM4961 is an audio power amplifier primarily designed for driving Ceramic Speaker for applications in Cell Phone and PDAs.

It integrates a boost converter, with variable output voltage, with an audio power amplifier.

It is capable of driving 15Vp-p in BTL mode to 2uF+ 30 ohms load, continuous average power, with less than 1% distortion (THD+N) from a 3.2VDC power supply.

Overview

LM4961, LM4961LQBD www.ti.com SNAS242K – AUGUST 2004 – REVISED MAY 2013 LM4961 Ceramic Speaker Driver Check for Samples: LM4961,.

Key Features

1.
2 Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions.
Low Current Shutdown Mode.
Low Quiescent Current.
Mono 15Vp-p BTL Output, RL = 2μF+30Ω, f = 1kHz.
Thermal Shutdown Protection.
Unity-Gain Stable.
External Gain Configuration Capability.
Including Band Exchange SW.
Including Leakage Cut SW.

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