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LM48823 - Ceramic Speaker Driver

General Description

The LM48823 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones, where board space is at a premium.

The LM48823 charge pump allows the device to deliver 5.4VRMS from a single 4.2V supply.

Key Features

  • 1.
  • 2 Integrated Charge Pump.
  • Bridge-Tied Load Output.
  • High PSRR.
  • I2C Volume and Mode Control.
  • Reset Input.
  • Advanced Click-and-Pop Suppression.
  • Low Supply Current.
  • Minimum External Components.
  • Micro-Power Shutdown.
  • Available in Space-Saving 16-Bump DSBGA Package.

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📁 Similar Datasheet

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Other Datasheets by Texas Instruments

Part Number Description
LM48820 95mW Stereo Headphone Amplifier
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LM48824 Class G Headphone Amplifier
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM48823, LM48823TLEVAL www.ti.com LM48823 SNAS464E – JUNE 2008 – REVISED OCTOBER 2010 Mono, Bridge-Tied Load, Ceramic Speaker Driver with I2C Volume Control and Reset Check for Samples: LM48823, LM48823TLEVAL FEATURES 1 •2 Integrated Charge Pump • Bridge-Tied Load Output • High PSRR • I2C Volume and Mode Control • Reset Input • Advanced Click-and-Pop Suppression • Low Supply Current • Minimum External Components • Micro-Power Shutdown • Available in Space-Saving 16-Bump DSBGA Package APPLICATIONS • Cell Phones • Smart Phones • Portable Media Devices • Notebook PCs KEY SPECIFICATIONS • Output Voltage at VDD = 4.2V, RL = 2.2µF + 15Ω THD+N ≤ 1%: 5.4VRMS (typ) • Quiescent Power Supply Current at 4.2V: 3.3mA (typ) • PSRR at 217Hz: 93dB (typ) • Shutdown Current: 0.