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发布者:微桥 发布时间:2011/11/24 阅读:5176次    关键字: 音频功放
ESMT:AD82586-2x15W Stereo Digital Audio Amplifier


AD82586-2x15W Stereo/1x30W Mono Digital Audio Amplifier with EQ Functions and Sub-Woofer PWM out

Features
16/18/20/24-bits input with I2S, Left-alignment and Right-alignment data format

PSNR & DR(A-weighting)
Loudspeaker: 98dB (PSNR), 108dB (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
12V~24V for loudspeaker driver

Loudspeaker output power for 24V
10W x 2CH into 8Ω @0.2% THD+N for stereo
15W x 2CH into 8Ω @0.25% THD+N for stereo
20W x 1CH into 4Ω @0.25% THD+N for mono
30W x 1CH into 4Ω @0.3% THD+N for mono
Sound processing including:
8 bands parametric EQ
Volume control (+24dB~-103dB, 0.5dB/step),
Dynamic range control
3D surround sound
Channel mixing
Automatic Zero-detection mute
Bass/Treble tone control
Bass management crossover filter
DC-blocking high-pass filter
Anti-pop design
Over-temperature protection

I2C control interface with selectable device address

Support hardware and software reset
Internal PLL
Subwoofer PWM output
Under-voltage shutdown
Short-circuit protection

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