This is a stereo digital audio amplifier with high power efficiency, which leads to longer battery life, less heat sink requirement, smaller board size and lower system cost. AD82551A can detect headphone connection and choose to drive either stereo loudspeakers or stereo headphones. Operating with 3.0/3.3/5V loudspeaker driver supply, each loudspeaker chann.
z 16/18/20/24-bit input with I S data format z PSNR & DR (A-weighting) Loudspeaker: 98dB (PSNR), 102dB (DR) Headphone: 87dB (PSNR), 96dB (DR) z Multiple sampling frequencies (Fs) 8kHz, 12kHz, 16kHz, 22.05kHz, 24kHz 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz and 96kHz www.DataSheet4U.com z System clock = 256Fs z 8Fs switching for loudspeakers and headphones z Single or dual supply Single supply: 3.0~3.3V for the whole chip Dual supply: 3.0~5V for loudspeaker drivers 3.0~3.3V for others z Loudspeaker power 2.3W into 4Ω load @ 0dB 1kHz sinewave input 1.3W into 8Ω load @ 0dB 1kHz sinewave input z Louds.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | AD82550A |
Elite Semiconductor Memory Technology |
Stereo Digital Audio Amplifier | |
2 | AD825 |
Analog Devices |
Low Cost/ General Purpose High Speed JFET Amplifier | |
3 | AD8250 |
Analog Devices |
programmable instrumentation amplifier | |
4 | AD8251 |
Analog Devices |
Programmable Gain Instrumentation Amplifier | |
5 | AD8253 |
Analog Devices |
Programmable Gain Instrumentation Amplifier | |
6 | AD8256A |
Elite Semiconductor Memory Technology |
2x16W Stereo Digital Audio Amplifier | |
7 | AD82571 |
Elite Semiconductor |
2 x 10W Stereo / 1 x 20W Mono Digital Audio Amplifier | |
8 | AD82571B |
ESMT |
12W Stereo/Mono Digital Audio Amplifier | |
9 | AD82581 |
ESMT |
2x15W Stereo / 1x30W Mono Digital Audio Amplifier | |
10 | AD82581B |
Elite Semiconductor |
12W Stereo/Mono Digital Audio Amplifier | |
11 | AD82583 |
ESMT |
2 x 20W Stereo / 1 x 40W Mono Class-D Audio Amplifier | |
12 | AD82584 |
Elite Semiconductor |
2x20W Stereo / 1x 40W Mono Digital Audio Amplifier |