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LM4881

Texas Instruments
Part Number LM4881
Manufacturer Texas Instruments
Description Dual 200mW Headphone Amplifier
Published Sep 9, 2020
Detailed Description LM4881 www.ti.com SNAS001D – SEPTEMBER 1997 – REVISED MAY 2013 LM4881 Dual 200 mW Headphone Amplifier with Shutdown ...
Datasheet PDF File LM4881 PDF File

LM4881
LM4881

Overview
LM4881 www.
ti.
com SNAS001D – SEPTEMBER 1997 – REVISED MAY 2013 LM4881 Dual 200 mW Headphone Amplifier with Shutdown Mode Check for Samples: LM4881 FEATURES 1 •23 VSSOP Surface Mount Packaging • Unity-gain Stable • External Gain Configuration Capability • Thermal Shutdown Protection Circuitry • No Bootstrap Capacitors, or Snubber Circuits are Necessary APPLICATIONS • Headphone Amplifier • Personal Computers • Microphone Preamplifier KEY SPECIFICATIONS • THD+N at 1kHz at 125mW Continuous Average Output Power into 8Ω 0.
1% (max) • THD+N at 1kHz at 75mW Continuous 0.
02% (typ) • Output Power at 10% THD+N at 1kHz into 8Ω 300 mW (typ) • Shutdown Current 0.
7µA (typ) • Supply Voltage Range 2.
7V to 5.
5 V DESCRIPTION The LM4881 is a dual audio power amplifier capable of delivering 200mW of continuous average power into an 8Ω load with 0.
1% THD+N from a 5V power supply.
Boomer™ audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging.
Since the LM4881 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.
The LM4881 features an externally controlled, low power consumption shutdown mode which is virtually clickless and popless, as well as an internal thermal shutdown protection mechanism.
The unity-gain stable LM4881 can be configured by external gain-setting resistors.
1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Boomer is a trademark of Texas Instruments.
2 All other trademarks are the property of their respective owners.
3 PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas Instruments standard warranty.
Production processing does not necessarily include tes...


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