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LM4951A - Wide Voltage Range 1.8 Watt Audio Amplifier

Datasheet Summary

Description

The LM4951A is an audio power amplifier designed for applications with supply voltages ranging from 2.7V up to 9V.

The LM4951A is capable of delivering 1.8W continuous average power with less than 1% THD+N into a bridge connected 8Ω load when operating from a 7.5VDC power supply.

Features

  • 1.
  • 23 Pop & Click Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions.
  • Wide Supply Voltage Range: 2.7V to 9V.
  • Low Current, Active-Low Shutdown Mode.
  • Low Quiescent Current.
  • Thermal Shutdown Protection.
  • Short Circuit Protection.
  • Unity-Gain Stable.
  • External Gain Configuration Capability.

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Datasheet preview – LM4951A

Datasheet Details

Part number LM4951A
Manufacturer Texas Instruments
File Size 1.50 MB
Description Wide Voltage Range 1.8 Watt Audio Amplifier
Datasheet download datasheet LM4951A Datasheet
Additional preview pages of the LM4951A datasheet.

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Full PDF Text Transcription

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LM4951A www.ti.com SNAS453C – AUGUST 2008 – REVISED APRIL 2013 LM4951A Wide Voltage Range 1.8 Watt Audio Amplifier With Short Circuit Protection Check for Samples: LM4951A FEATURES 1 •23 Pop & Click Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions • Wide Supply Voltage Range: 2.7V to 9V • Low Current, Active-Low Shutdown Mode • Low Quiescent Current • Thermal Shutdown Protection • Short Circuit Protection • Unity-Gain Stable • External Gain Configuration Capability APPLICATIONS • Portable Devices • Cell Phones • Laptop Computers • Computer Speaker Systems • MP3 Player Speakers KEY SPECIFICATIONS • Wide Voltage Range 2.7V to 9V • 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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