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LM4960 - Piezoelectric Speaker Driver

Description

The LM4960 utilizes a switching regulator to drive a dual audio power amplifier.

It delivers 24VP-P monoBTL to a ceramic speaker with less than 1.0% THD+N while operating on a 3.0V power supply.

Features

  • 1.
  • 23 Low Current Shutdown Mode.
  • "Click and Pop" Suppression Circuitry.
  • Low Quiescent Current.
  • Unity-Gain Stable Audio Amplifiers.
  • External Gain Configuration Capability.
  • Thermal Shutdown Protection Circuitry.
  • Wide Input Voltage Range (3.0V - 7V).
  • 1.6MHz Switching Frequency.

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Other Datasheets by Texas Instruments

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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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LM4960 www.ti.com SNAS221C – OCTOBER 2004 – REVISED MAY 2013 LM4960 Piezoelectric Speaker Driver Check for Samples: LM4960 FEATURES 1 •23 Low Current Shutdown Mode • "Click and Pop" Suppression Circuitry • Low Quiescent Current • Unity-Gain Stable Audio Amplifiers • External Gain Configuration Capability • Thermal Shutdown Protection Circuitry • Wide Input Voltage Range (3.0V - 7V) • 1.6MHz Switching Frequency APPLICATIONS • Mobile Phone • PDA's KEY SPECIFICATIONS • VOUT @ VDD = 3.0 THD+N ≤ 1%: 24 VP-P (typ) • Power Supply Range: 3.0 to 7 V • Switching Frequency: 1.6 MHz (typ) DESCRIPTION The LM4960 utilizes a switching regulator to drive a dual audio power amplifier. It delivers 24VP-P monoBTL to a ceramic speaker with less than 1.0% THD+N while operating on a 3.0V power supply.
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