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LM4810MM/NOPB
Dual 105mW Headphone Amplifier with Active-High Shutdown Mode
LM4810
www.ti.com SNAS125D –FEBRUARY 2001–REVISED APRIL 2013
LM4810
Dual 105mW Headphone Amplifier with Active-High Shutdown Mode
Checkfor Samples: LM4810
1FEATURES DESCRIPTIONThe LM4810isa dual audio power amplifier capable
Active-High Shutdown Mode of delivering 105mW per channel of continuous
• WSON, VSSOP, and SOIC Surface Mount average power intoa 16Ω load with 0.1% (THD+N)
Packaging froma 5V power supply.
"Click and Pop" Suppression Circuitry Boomer audio power amplifiers were designed
• Low Shutdown Current specificallyto provide high quality output power witha
minimal amountof external components. Since the
• No Bootstrap Capacitors RequiredLM4810 does not require bootstrap capacitors or
• Unity-Gain Stable snubber networks,itis optimally suited for low-power
portable systems.
APPLICATIONSThe unity-gain stable LM4810 can be configured by
• Cellular Phones external gain-setting resistors.
• Personal Computers The LM4810 features an externally controlled, active-
• Microphone Preamplifier high, micropower consumption shutdown mode, as
PDA's well as an internal thermal shutdown protection
mechanism.
KEY SPECIFICATIONS THD+Nat 1kHz, 105mW Continuous Average
Power into 16Ω 0.1% (typ) THD+Nat 1kHz, 70mW Continuous Average
Power into 32Ω 0.1% (typ) Shutdown Current 0.4µA (typ)
