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PDF AD82586B Data sheet ( Hoja de datos )
| Número de pieza | AD82586B | |
| Descripción | 2x20W Stereo / 1x 40W Mono Digital Audio Amplifier | |
| Fabricantes | Elite Semiconductor | |
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ESMT/EMP
AD82586B
2x20W Stereo / 1x 40W Mono Digital Audio Amplifier
With 20 Bands EQ Functions and PWM out
Features
16/18/20/24-bits input with I2S, Left-alignment
and Right-alignment data format
PSNR & DR(A-weighting)
Loudspeaker: 97dB (PSNR), 107dB (DR) @24V
Multiple sampling frequencies (Fs)
32kHz / 44.1kHz / 48kHz and
64kHz / 88.2kHz / 96kHz and
128kHz / 176.4kHz / 192kHz
System clock = 64x, 128x, 192x, 256x, 384x,
512x, 576x, 768x, 1024x Fs
64x~1024x Fs for 32kHz / 44.1kHz / 48kHz
64x~512x Fs for 64kHz / 88.2kHz / 96kHz
64x~256x Fs for 128kHz / 176.4kHz / 192kHz
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 (+24dB~-103dB, 0.125dB/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
programmable via a simple I2C control interface.
Robust protection circuits are provided to protect
AD82586B from damage due to accidental erroneous
operating condition. AD82586B is more tolerant to
noise and PVT (Process, Voltage, and Temperature)
variation than the analog Class-AB or Class-D audio
amplifier counterpart implemented by analog circuit
design. AD82586B is pop free during instantaneous
power switch because of its built-in, robust anti-pop
circuit.
The output stage is flexibly configurable for stereo
or mono applications. In addition, AD82586B provides
a sub-woofer PWM output port for the increasingly
popular 2.1 channel applications. The programmable
audio bass content of this subwoofer PWM output port
can drive an external, low cost digital amplifier power
stage, e.g., ESMT’s AD92580. Furthermore, use three
pieces of AD82586B can realize 5.1 channels for
home theater applications.
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date: Sep. 2012
Revision: 0.1
1/62
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet AD82586B.PDF ] | |
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