Features
z 16/18/20/24-bits input with I2
S, Left-alignment
and Right-alignment data format
z PSNR & DR (A-weighting)
Stereo: 98dB (PSNR), 107dB (DR) @24V
z Multiple sampling frequencies (Fs)
32kHz / 44.1kHz / 48kHz and
64kHz / 88.2kHz / 96kHz and
128kHz / 176.4kHz / 192kHz
z 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
z BCLK system supports
z Supply voltage
3.3V for digital circuit
7V~26V for loudspeaker driver
z Loudspeaker output power for stereo at 24V
40W x 2CH into 4Ω @0.22% THD+N
z Loudspeaker output power for mono at 24V
80W x 1CH into 4Ω @10% THD+N
z Loudspeaker output power for 2.1CH at 24V
20W x 2CH into 8Ω @0.25% THD+N
40W x 1CH into 4Ω @0.22% THD+N
z Sound processing including：
20 bands parametric speaker EQ
Volume control (+24dB~-103dB, 0.125dB/step),
Dynamic range control
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
z Power on reset
z Anti-pop design
z I2
C control interface (without MCLK) with
selectable device address
z Support hardware and software reset
z Internal PLL
z LV Under-voltage shutdown and HV Under-voltage
detection
z Short-circuit and over-temperature protection
z Power saving mode
z Tunable surround sounds
z Support initial EEPROM setting
Applications
z CD and DVD
z TV audio
z Car audio
z Boom-box
z MP3 docking systems
z Powered speaker
z Wireless audio
Description
AD83586B is a digital audio amplifier capable of
driving a pair of 8Ω, 20W plus a single 4Ω, 40W, or a
pair of 4Ω, 40W or a single 4Ω, 60W speaker
operating at 24V supply with proper cooling method.
AD83586B 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 I2
C control interface.
Robust protection circuits are provided to protect
AD83586B from damage due to accidental erroneous
operating condition. AD83586B 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. AD83586B is pop free during instantaneous
power switch because of its built-in, robust anti-pop
circuit.
The output stage is flexibly configurable for 2.1
channel, stereo or mono applications. Furthermore, it
is possible to use three pieces of AD83586B to realize
5.1 channels for home theater applications