AD82586B
AD82586B is 2x20W Stereo / 1x 40W Mono Digital Audio Amplifier manufactured by Elite Semiconductor Microelectronics Technology.
ESMT/EMP
2x20W Stereo / 1x 40W Mono Digital Audio Amplifier With 20 Bands EQ Functions and PWM out
Features
- 16/18/20/24-bits input with I S, Left-alignment and Right-alignment data format
- PSNR & DR(A-weighting) Loudspeaker: 97d B (PSNR), 107d B (DR) @24V
- Multiple sampling frequencies (Fs) 32k Hz / 44.1k Hz / 48k Hz and 64k Hz / 88.2k Hz / 96k Hz and 128k Hz / 176.4k Hz / 192k Hz
- System clock = 64x, 128x, 192x, 256x, 384x, 512x, 576x, 768x, 1024x Fs 64x~1024x Fs for 32k Hz / 44.1k Hz / 48k Hz 64x~512x Fs for 64k Hz / 88.2k Hz / 96k Hz 64x~256x Fs for 128k Hz / 176.4k Hz / 192k Hz
- Supply voltage 3.3V for digital circuit 10V~26V for loudspeaker driver
- Loudspeaker output power for at 24V 10W x 2CH into 8Ω @0.17% THD+N for stereo 20W x 2CH into 8Ω @0.27% THD+N for stereo 20W x 1CH into 4Ω @0.14% THD+N for mono 40W x 1CH into 4Ω @0.21% THD+N for mono
- Sound processing including: 20 bands parametric speaker EQ Volume control (+24d B~-103d B, 0.125d B/step), Dynamic range control (DRC) Dual band dynamic range control Power clipping 3D surround sound Channel mixing Noise gate with hysteresis window Bass/Treble tone control Bass management crossover filter DC-blocking high-pass filter
- Anti-pop design
- Short circuit and over-temperature protection
- I2C control interface with selectable device address
- Support hardware and software reset
- Internal PLL
- LV Under-voltage shutdown and HV Under-voltage detection
- Power saving mode
Applications
- TV audio
- Boom-box, CD and DVD receiver, docking system
- Powered speaker
- Wireless audio
Description
AD82586B is a digital audio amplifier capable of driving a pair of 8Ω, 20W or a single 4Ω, 40W operating at 24V supply without external heat-sink or fan requirement. Higher output wattage can be delivered with cooling method. AD82586B can provide advanced audio processing capabilities, such as volume control, 20 bands speaker EQ, audio mixing, 3D surround and Dynamic Range Control (DRC). These functions are fully 2...