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PDF AD62550A Data sheet ( Hoja de datos )
| Número de pieza | AD62550A | |
| Descripción | Class-D Audio Power Amplifier | |
| Fabricantes | ESMT | |
| Logotipo |  |
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ESMT
AD62550A
Class-D Audio Power Amplifier with USB / I2S Interface
Features
z Compliant with USB Specification v1.1, and USB
2.0 full speed
z Embedded high efficiency, high performance class
D stereo amplifier
z Support I2S input and I2S output interface of
master mode
Sampling frequencies(Fs)：48kHz
z +6dB enhancement(Theater function)
z Support both bus-powered and self-powered
operation
z Supports Win Me//2000/XP and MacOS
z True plug-and-play application, no driver is
required for basic USB speaker application
z Support volume/mute control with external button
z Built-in 5V to 3.3V regulator for internal device
operation
z Total efficiency
80% for 8Ω load @ -1dB 1kHz sine wave input
z Loudspeaker PSNR & DR (A-weighting)
80dB (PSNR), 78dB (DR) with Bead filter
82dB (PSNR), 78dB (DR) with Chock filter
z Anti-pop design
z Over-temperature protection
z Under-voltage shutdown
z Short-circuit detection
z 12 MHz Crystal Input
z 32-pin LQFP(Pb free)
Description
AD62550A is a single chip of Class-D audi o
amplifier with USB/I 2S interface. Whe n using th e
power supplied from the USB port, AD62 550A can
drive a pair of up to 1W speakers due to the built-in,
high ef ficiency and high perform ance cla ss D
amplifiers. The device also has an I2S input port and
I2S output p ort. The I 2S input port allows othe r
external audio sources to use the cla ss D amplifier
to sha re the speakers. Th e I 2S output port allo ws
other hi gh perfo rmance a udio device (i.e.
AD8356A/AD8256A) to be controlled by AD62550A.
Functional Block Diagram
Elite Semiconductor Memory Technology Inc.
Publication Date: Apr. 2007
Revision: 1.3
1/14
http://www.Datasheet4U.com
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| Páginas | Total 3 Páginas | |
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Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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