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LM4902

Texas Instruments
Part Number LM4902
Manufacturer Texas Instruments
Description 265mW at 3.3V Supply Audio Power Amplifier
Published May 19, 2023
Detailed Description LM4902 www.ti.com SNAS150D – DECEMBER 2001 – REVISED APRIL 2013 LM4902 Boomer™ Audio Power Amplifier Series 265mW at ...
Datasheet PDF File LM4902 PDF File

LM4902
LM4902

Overview
LM4902 www.
ti.
com SNAS150D – DECEMBER 2001 – REVISED APRIL 2013 LM4902 Boomer™ Audio Power Amplifier Series 265mW at 3.
3V Supply Audio Power Amplifier with Shutdown Mode Check for Samples: LM4902 FEATURES 1 •23 VSSOP and WSON Packaging • No Output Coupling Capacitors, Bootstrap Capacitors, or Snubber Circuits are Necessary • Thermal Shutdown Protection Circuitry • Unity-Gain Stable • External Gain Configuration Capability • Latest Generation "Click and Pop" Suppression Circuitry APPLICATIONS • Cellular Phones • PDA's • Any Portable Audio Application KEY SPECIFICATIONS • THD+N at 1kHz for 265mW Continuous Average Output Power into 8Ω, VDD = 3.
3V 1.
0% (max) • THD+N at 1kHz for 675mW Continuous Average Output Power into 8Ω, VDD = 5V 1.
0% (max) • Shutdown Current 0.
1µA (typ) DESCRIPTION The LM4902 is a bridged audio power amplifier capable of delivering 265mW of continuous average power into an 8Ω load with 1% THD+N from a 3.
3V power supply.
Boomer™ audio power amplifiers were designed specifically to provide high quality output power from a low supply voltage while requiring a minimal amount of external components.
Since the LM4902 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable applications.
The LM4902 features an externally controlled, low power consumption shutdown mode, and thermal shutdown protection.
The closed loop response of the unity-gain stable LM4902 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 Instru...


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