AD82581 Audio Amplifier Datasheet

AD82581 Datasheet, PDF, Equivalent


Part Number

AD82581

Description

2x15W Stereo / 1x30W Mono Digital Audio Amplifier

Manufacture

ESMT

Total Page 3 Pages
Datasheet
Download AD82581 Datasheet


AD82581
ESMT/EMP
AD82581
2x15W Stereo / 1x30W Mono Digital Audio Amplifier
Features
z I2C control interface
z 16/18/20/24-bit input with I2S, Left-alignment
and Right-alignment data format
z PSNR & DR (A-weighting)
z Zero detection
z Power limit function
z Quaternary and ternary switch
Loudspeaker: 97dB (PSNR), 105dB (DR) @24V
z Multiple sampling frequencies (Fs)
Applications
32kHz / 44.1kHz / 48kHz and
z CD and DVD
64kHz / 88.2kHz / 96kHz and
z LCD TV
128kHz/176.4kHz/192kHz
z Car audio
z System clock = 64x, 128x, 256x, 384x, 512x, 768x, z Boom-box
1024x Fs
z MP3 docking systems
256x~1024x Fs for 32kHz / 44.1kHz / 48kHz
z Powered speaker
128x~512x Fs for 64kHz / 88.2kHz / 96kHz
z Wireless audio
64x~256x Fs for 128kHz/176.4kHz/192kHz
z USB speaker
z Supply voltage
3.3V for digital circuit
Description
10V~26V for loudspeaker driver
z Loudspeaker output power for 24V
10W x 2CH into 8@0.27% THD+N for stereo
15W x 2CH into 8@0.35% THD+N for stereo
20W x 1CH into 4@0.25% THD+N for mono
AD82581 is a digital audio amplifier capable of driving
a p air of 8 ,15W or a sin gle 4 ,30W spe aker, bot h
which operate with play music at a 24V supply without
external heat-sink or fan requirement.
30W x 1CH into 4@0.32% THD+N for mono
z Anti-pop design
z Over-temperature protection
z Internal PLL
z Under-voltage shutdown
z Over-current protection
Using I2C digital control interface, the user can control
AD82581’s in put format selectio n, mute and volum e
control fun ctions. AD82 581 h as many built-i n
protection ci rcuits to safegua rd AD82581 fro m
connection errors.
ORDERING INFORMATION
Product ID
Package
AD82581-LE48NAY
E-LQFP-48L
7x7 mm
Packing / MPQ
2.5K Units / Small Box
(250 Units / Tray, 10 Trays /
Small Box
Comments
Green
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date: Sep. 2011
Revision: 1.1
1/29
http://www.Datasheet4U.com

AD82581
ESMT/EMP
Pin Assignment
AD82581
Pin Description
PIN NAME TYPE
DESCRIPTION
1 N.C.
NC
2 N.C.
NC
3 PLL
I PLL enable, low active
4 MCLK I Master clock input
5 CLK_OUT O Clock output from PLL
6 DG ND P Digital Ground
7 N.C.
NC
8 DVD D P Digital Power
9 DEF I Default volume setting
10 N.C.
NC
11 N.C.
NC
12 SDATA I Serial audio data input
13 N.C.
NC
14 MONO I MONO mode enable, high active
CHARACTERISTICS
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
TTL output buffer
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
Schmitt trigger TTL input buffer
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date: Sep. 2011
Revision: 1.1
2/29


Features ESMT/EMP Features z 16/18/20/24-bit inpu t with I2S, Left-alignment and Right-al ignment data format z PSNR & DR (A-weig hting) Loudspeaker: 97dB (PSNR), 105dB (DR) @24V z Multiple sampling frequenci es (Fs) 32kHz / 44.1kHz / 48kHz and 64k Hz / 88.2kHz / 96kHz and 128kHz/176.4kH z/192kHz z System clock = 64x, 128x, 25 6x, 384x, 512x, 768x, 1024x Fs 256x~102 4x Fs for 32kHz / 44.1kHz / 48kHz 128x~ 512x Fs for 64kHz / 88.2kHz / 96kHz 64x ~256x Fs for 128kHz/176.4kHz/192kHz z S upply voltage 3.3V for digital circuit 10V~26V for loudspeaker driver z Loudsp eaker output power for 24V 10W x 2CH in to 8Ω @0.27% THD+N for stereo 15W x 2 CH into 8Ω @0.35% THD+N for stereo 20 W x 1CH into 4Ω @0.25% THD+N for mono 30W x 1CH into 4Ω @0.32% THD+N for m ono z Anti-pop design z Over-temperatur e protection z Internal PLL z Under-vol tage shutdown z Over-current protection z I2C control interface z Zero detecti on z Power limit function z Quaternary and ternary switch AD82581 2x15W Stereo / 1x30W Mono Digital Audio Am.
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