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AD82088 Datasheet(PDF) 1 Page - Elite Semiconductor Memory Technology Inc. |
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AD82088 Datasheet(HTML) 1 Page - Elite Semiconductor Memory Technology Inc. |
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1 / 84 page  ESMT AD82088 Elite Semiconductor Microelectronics Technology Inc. Publication Date: Oct. 2022 Revision: 2.4 1/84 2x20W Stereo / 1x40W Mono Digital Audio Amplifier With 30 bands EQ and DRC Functions Features Supply voltage 3.3V for digital circuit 8V~26V for loudspeaker driver Supports 2.0CH/Mono configuration Loudspeaker output power@12V for stereo 7W x 2CH into 8 Ω <1% THD+N 10W x 2CH into 4 Ω <1% THD+N Loudspeaker output power@18V for stereo 15W x 2CH into 8 Ω <1% THD+N Loudspeaker output power@24V for stereo 20W x 2CH into 8 Ω <1% THD+N 16/18/20/24-bits input with I 2S, Left-alignment and Right-alignment data format 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 MCLK system: 64x~1024x Fs for 32kHz / 44.1kHz / 48kHz 64x~512x Fs for 64kHz / 88.2kHz / 96kHz 64x~256x Fs for 128kHz / 176.4kHz / 192kHz BCLK system: 64xFs for 32kHz / 44.1kHz / 48kHz 64xFs for 64kHz / 88.2kHz / 96kHz 64xFs for 128kHz / 176.4kHz / 192kHz Sound processing including： 30 bands parametric speaker EQ Volume control (+24dB~-103dB, 0.125dB/step) Dynamic range control Three Band plus post Dynamic range control Power Clipping Programmed 3D surround sound Channel mixing Noise gate with hysteresis window Bass/Treble tone control DC-blocking high-pass filter Pre-scale/post-scale Supports I 2C control without clock I 2C control interface with selectable device address I 2S output with selectable Audio DSP point Support hardware and software reset Internal PLL Anti-pop design Level meter and power meter LV Under-voltage shutdown and HV Under-voltage detection Over voltage protection Short circuit and over-temperature protection Applications TV audio Description AD82088 is a digital audio amplifier capable of driving 20W (BTL) each to a pair of 8 Ω load speaker and 40W (PBTL) to a 4 Ω load speaker operating at 24V supply without external heat-sink or fan requirement with play music. AD82088 provides advanced audio processing functions, such as volume control, 30 EQ bands, audio mixing, 3D surround sound and Dynamic Range Control (DRC). These are fully programmable via a simple I 2C control interface. Robust protection circuits are provided to protect AD82088 from damage due to accidental erroneous operating condition. The full digital circuit design of AD82088 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. AD82088 is pop free during instantaneous power on/off or mute/shut down switching because of its robust built-in anti-pop circuit. |
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