Part LM48557
Description Ceramic Speaker Driver
Manufacturer Texas Instruments
Size 1.22 MB
Texas Instruments

LM48557 Overview

Description

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.

Key Features

  • 23 Integrated Charge Pump
  • Bridge-Tied Load Output
  • Differential Input
  • I2C Volume and Mode Control
  • Advanced Click-and-Pop Suppression
  • Low Supply Current
  • Minimum External Components
  • Micro-Power Shutdown
  • Available in Space-Saving 16-Bump DSBGA Package