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发布者:来自网络 发布时间:2015/7/9 阅读:15231次    关键字: LED
AD83586C-2x30W+1x60W 2.1CH


AD83586C- 2x60W Stereo / 1x120W Mono / 2x30W+1x60W 2.1CH
Digital Audio Amplifier with 36 bands EQ and DRC Functions DataSheet
 
Description
AD83586C is a digital audio amplifier capable of
driving a pair of 8Ω, 25W (30W peak) plus a single 4Ω,
50W (60W peak), or a pair of 4Ω, 50W (60W peak) or
a single 2Ω, 100W (120W peak) speaker operating at
24V supply with proper cooling method.
AD83586C can provide advanced audio processing
capabilities, such as volume control, 36 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
AD83586C from damage due to accidental erroneous
operating condition. AD83586C 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. AD83586C 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 two pieces of AD83586C to realize
5.1 channels for home theater applications.
 
Features
 16/18/20/24-bits input with I2S, Left-alignment
and Right-alignment and TDM data format
 PSNR & DR(A-weighting)
Loudspeaker: 105dB (PSNR), 106dB (DR)@24V
 Multiple sampling frequencies (Fs)
8kHz, 16kHz and 32kHz / 44.1kHz / 48kHz and
88.2k / 96kHz
 System clock = 32x,48x, 64x,96x, 128x,192x,
256x, 384x, 512 Fs
MCLK system:
32x~512x Fs for 8kHz, 16kHz and 32kHz /
44.1kHz / 48kHz and 88.2kHz / 96kHz
BCLK system:
32x~256x Fs for 8kHz, 16kHz and 32kHz /
44.1kHz / 48kHz and 88.2kHz / 96kHz
 Supply voltage
3.3V for digital circuit
1.65~3.6V for DVDDIO
4.5V~26V for loudspeaker driver
 Speaker peak output power at 24V
60W x 2CH into 4Ω @0.4% THD+N
120W x 1CH into 2Ω @0.9% THD+N
 Speaker peak output power for 2.1CH at 24V
30W x 2CH into 8Ω @0.5% THD+N
60W x 1CH into 4Ω @0.5% THD+N
 Sound processing including:
36 bands parametric speaker EQ
Volume control (+24dB~-103dB, 0.125dB/step)
DRC, AGC and Power Clipping
Programmed 3D surround sound
Channel mixing
Compensate filter
DC-blocking high-pass filter
Pre-scale/post-scale
I2S output with user programmed gain
Crossover filter for twitter and woofer
 Anti-pop design
 Power meter
 I2S output with selectable Audio DSP point
 Short circuit and over-temperature protection
 Supports I2C control without clock
 I2C control with 4 selectable device address
 Support hardware and software reset
 Internal PLL
 LV & HV Under-voltage detection
 Over voltage protection
 Auto clock detection
 Power saving mode
 DTC
 
Applications
 TV audio
 Boom-box, CD and DVD receiver, docking system
 Powered speaker
 Wireless audio
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