LM48557 Datasheet (Texas Instruments) - Ceramic Speaker Driver

LM48557, Ceramic Speaker Driver

The LM48557 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones and portable media players, where board space is at a premium.

The LM48557 charge pump allows the device to deliver 5.8VRMS from a single 4.2V supply.

The L

LM48557 Features

* 1

* 23 Integrated Charge Pump

* Bridge-Tied Load Output

* Differential Input

* High PSRR

* I2C Volume and Mode Control

* Reset Input

* Advanced Click-and-Pop Suppression

* Low Supply Current

* Minimum External Components