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LM4951 - Wide Voltage Range 1.8 Watt Audio Amplifier

Datasheet Summary

Description

The LM4951 is an audio power amplifier primarily designed for demanding applications in Portable Handheld devices.

It is capable of delivering 1.8W mono BTL to an 8Ω load, continuous average power, with less than 1% distortion (THD+N) from a 7.5VDC power supply.

Features

  • 1.
  • 2 Click and Pop Circuitry Eliminates Noise during Turn-On and Turn-Off Transitions.
  • Low Current, Active-Low Shutdown Mode.
  • Low Quiescent Current.
  • Thermal Shutdown Protection.
  • Unity-Gain Stable.
  • External Gain Configuration Capability.

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Datasheet preview – LM4951

Datasheet Details

Part number LM4951
Manufacturer Texas Instruments
File Size 1.58 MB
Description Wide Voltage Range 1.8 Watt Audio Amplifier
Datasheet download datasheet LM4951 Datasheet
Additional preview pages of the LM4951 datasheet.

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Full PDF Text Transcription

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LM4951 www.ti.com SNAS244N – AUGUST 2004 – REVISED MAY 2013 LM4951 Wide Voltage Range 1.8 Watt Audio Amplifier Check for Samples: LM4951 FEATURES 1 •2 Click and Pop Circuitry Eliminates Noise during Turn-On and Turn-Off Transitions • Low Current, Active-Low Shutdown Mode • Low Quiescent Current • Thermal Shutdown Protection • Unity-Gain Stable • External Gain Configuration Capability APPLICATIONS • Portable Handheld Devices up to 9V • Cell Phone • PDA KEY SPECIFICATIONS • Wide Voltage Range: 2.7V to 9 V • Quiescent Power Supply Current (VDD = 7.5V): 2.5mA (typ) • Power Output BTL at 7.5V, 1% THD: 1.8 W (typ) • Shutdown Current: 0.
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