LM4910 Output Capacitor-less Stereo 35mW Headphone Amplifier

The LM4910 is an Audio Power Amplifier primarily designed for Headphone applications in portable device applications. It is capable of delivering 35mW of continuous average power to a 32& load with less than 1% distortion (THD+N) from a 3.3VDC power supply.
The LM4910 utilizes a new circuit topology that eliminates output coupling capacitors and half-supply bypass capacitors. The LM4910 contains advanced pop & click circuitry which eliminates noises caused by transients that would otherwise occur during turn-on and turn-off.
Boomer Audio Power Amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4910 does not require any output coupling capacitors, half-supply bypass capacitors, or bootstrap capacitors, it is ideally suited for low-power portable applications where minimal space and power consumption are primary requirements.
The LM4910 features a low-power consumption shutdown mode, activated by driving the shutdown pin with Logic low. Additionally, the LM4910 features an internal thermal shutdown protection mechanism. The LM4910 is also unity-gain stable and CAN be configured by external gain-setting resistors.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM4910MM/NOPB Texas Instruments LM4910 Output Capacitor-less Stereo 35mW Headphone Amplifier 8-VSSOP -40 to 85
LM4910LQ/NOPB Texas Instruments LM4910 Output Capacitor-less Stereo 35mW Headphone Amplifier 8-WQFN -40 to 85
LM49101TMEVAL Texas Instruments LM49101 Evaluation Board
LM49100GR/NOPB Texas Instruments Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier 25-csBGA -40 to 85
LM49101TMX/NOPB Texas Instruments Mono Class AB Audio Subsystem with a True Ground Headphone Amplifier and Earpiece Switch 25-DSBGA -40 to 85
LM49101TM/NOPB Texas Instruments Mono Class AB Audio Subsystem with a True Ground Headphone Amplifier and Earpiece Switch 25-DSBGA -40 to 85
LM49100CONTROL-SW Texas Instruments LM49100 Control Software
LM49100GRX/NOPB Texas Instruments AUDIO AMPLIFIER
LM4910 's PackagesLM4910 's pdf datasheet
LM4910LQ LLP
LM4910LQX LLP
LM4910MA SOIC
LM4910MAX SOIC
LM4910MM SOIC
LM4910MMX SOIC




LM4910 Pinout, Pinouts
LM4910 pinout,Pin out
This is one package pinout of LM4910,If you need more pinouts please download LM4910's pdf datasheet.

LM4910 Application circuits
LM4910 circuits
This is one application circuit of LM4910,If you need more circuits,please download LM4910's pdf datasheet.


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