LM49100GR

• Mono and stereo inputs
• Thermal overload protection
• Headphone driver on the ground
• I 2 C control interface
• Input silent attenuation
• Stage 2 headphone attenuator
• Digital volume control with 32 steps
• 10 working modes
• Minimal external components
• Click inhibition
• Micropower shutdown
• Save 3mm x 3mm GR package of 25 bumps in available space
• RF suppression

illustrate

LM49100 is a fully integrated audio subsystem capable of delivering a continuous average power of 1.275W, 1% THD+N, and 5V power in a mono 8Ω bridge load (BTL). LM49100 also has a stereo real terrestrial headphone amplifier capable of a continuous average power of 50mW per channel to a 32Ω single-ended (SE) load with 1% THD+N

LM49100 has three input channels. Dual SE inputs and stereo signals are available. The other input channels are fully differential and can be used for mono input signals. LM49100 features 32-step digital volume control and 10 different output modes. Mixer, volume control and device mode selection control, via I 2 C compatible interface.

Overheating protection against damage to equipment under fault conditions. Advanced click suppression eliminates audible transient noise when power-up/down and off.

Key specifications:

apply

• mobile phone
• handheld computer
• laptop
• Portable electronics