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PDF AD82587 Data sheet ( Hoja de datos )
| Número de pieza | AD82587 | |
| Descripción | 2x15W Stereo / 1x30W Mono Digital Audio Amplifier | |
| Fabricantes | Elite Semiconductor | |
| Logotipo |  |
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ESMT/EMP
AD82587
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 8Ω @0.27% THD+N for stereo
15W x 2CH into 8Ω @0.35% THD+N for stereo
20W x 1CH into 4Ω @0.25% THD+N for mono
AD82587 is a digital audio amplifier capable of driving
a pair of 8Ω,15W or a single 4Ω,30W speaker, both
which operate with play music at a 24V supply without
external heat-sink or fan requirement.
30W x 1CH into 4Ω @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
AD82587’s input format selection, mute and volume
control functions. AD82587 has many built-in
protection circuits to safeguard AD82587 from
connection errors.
ORDERING INFORMATION
Product ID
Package
AD82587-LE48NAY
AD82587-LE48NAR
E-LQFP-48L
7x7 mm
E-LQFP-48L
7x7 mm
Packing / MPQ
2.5K Units / Small Box
(250 Units / Tray, 10 Trays /
Small Box)
2K Units Tape and Reel
Comments
Green
Green
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date: Aug. 2012
Revision: 1.2
1/30
1 page  
ESMT/EMP
Recommended Operating Conditions
Symbol
DVDD
VDDL/R
Ta
Parameter
Supply for Digital Circuit
Supply for Driver Stage
Ambient Operating Temperature
Typ
3.15~3.45
10~26
0~70
Units
V
V
oC
AD82587
Digital Characteristics
Symbol
VIH
VIL
VOH
VOL
CI
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Capacitance
Min Typ Max Units
2.0 V
0.8 V
2.4 V
0.4 V
6.4 pF
General Electrical Characteristics
Symbol
Parameter
Condition Min Typ Max Units
IPD(HV)
IPD(LV)
TSENSOR
UVH
UVL
Rds-on
ISC
PVDD Supply Current during Power Down
DVDD Supply Current during Power Down
Junction Temperature for Driver Shutdown
Temperature Hysteresis for Recovery from Shutdown
Under Voltage Disabled (For DVDD)
Under Voltage Enabled (For DVDD)
Static Drain-to-Source On-state Resistor, PMOS
Static Drain-to-Source On-state Resistor, NMOS
LI Channel Over-Current Protection (Note 2)
Mono Channel Over-Circuit Protection (Note 2)
PVDD=24V
DVDD=3.3V
PVDD=24V,
Id=500mA
PVDD=24V
PVDD=24V
10 uA
10 uA
160 oC
40 oC
2.8 V
2.7 V
295 mΩ
185 mΩ
5A
10 A
Note 2: Loudspeaker over-current protection is only effective when loudspeaker drivers are properly
connected with external LC filters. Please refer to the application circuit example for recommended
LC filter configuration.
Marking Information
AD82587
Line 1 : LOGO
Line 2 : Product no.
Line 3 : Tracking Code
Line 4 : Date Code
PIN1 DOT
ESMT
AD82587
Tracking Code
Date Code
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date: Aug. 2012
Revision: 1.2
5/30
5 Page 
ESMT/EMP
100
90
80
70
60
50
40
30
20
10
0
0
10
Efficiency (Stereo)
Efficiency vs. Output Power (Stereo)
20 30 40 50
2CH Output Power(W)
AD82587
12V
15V
18V
24V
60 70
Efficiency (Stereo) for PWM of “Quaternary” and “Q+T” Modulation
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Power (Stereo)
24V Q+T
24V
10 20 30 40 50 60 70
2CH Output Power(W)
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc.
Publication Date: Aug. 2012
Revision: 1.2
11/30
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AD82587.PDF ] | |
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