Mono Class AB Audio Sub-System With A True-Ground Headphone Amplifier

The LM49100 is a fully integrated Audio subsystem capable of delivering 1.275W of continuous average power into a mono 8& bridged-tied load (BTL) with 1% THD+N and with a 5V power supply. The LM49100 also has a stereo true-ground Headphone Amplifier capable of 50mW per channel of continuous average power into a 32& single-ended (SE) loads with 1% THD+N.
The LM49100 has three input channels. One pair of SE inputs CAN be used with a stereo signal. The other input channel is fully differential and may be used with a mono input signal. The LM49100 features a 32-step digital Volume Control and ten distinct output modes. The mixer, Volume Control and device mode select are controlled through an I 2C compatible Interface
Thermal overload protection prevent the device from being damaged during fault conditions. Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM49100CONTROL-SW Texas Instruments LM49100 Control Software
LM49100GR/NOPB Texas Instruments Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier 25-csBGA -40 to 85
LM49100GRX/NOPB Texas Instruments AUDIO AMPLIFIER
LM49100 's PackagesLM49100 's pdf datasheet
LM49100GR




LM49100 Pinout, Pinouts
LM49100 pinout,Pin out
This is one package pinout of LM49100,If you need more pinouts please download LM49100's pdf datasheet.

LM49100 Application circuits
LM49100 circuits
This is one application circuit of LM49100,If you need more circuits,please download LM49100's pdf datasheet.


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