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AD82587D Datasheet(PDF) 12 Page - Elite Semiconductor Memory Technology Inc.

Part # AD82587D
Description  2X20W Stereo / 1X40W Mono Digital Audio Amplifier
PDF  45 Pages
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Manufacturer  ESMT [Elite Semiconductor Memory Technology Inc.]
Direct Link  http://www.esmt.com.tw/index.asp
Logo ESMT - Elite Semiconductor Memory Technology Inc.

AD82587D Datasheet(HTML) 12 Page - Elite Semiconductor Memory Technology Inc.

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ESMT
AD82587D
Elite Semiconductor Memory Technology Inc.
Publication Date: Jan. 2018
Revision: 1.6
12/45
Electrical Characteristics and Specifications for Loudspeaker
 Mono output with 24V supply voltage
Condition: TA=25
oC, DVDD=3.3V, VDDL=VDDR=24V, F
S=48kHz, Load=4 with passive LC lowpass filter
(L=10
μ H with R
DC=27mΩ , C=470nF); Input is 1kHz sinewave. Volume is 0dB unless otherwise specified.
Symbol
Parameter
Condition
Input Level Min
Typ
Max Units
PO
(Note 13)
RMS Output Power (THD=0.24%)
+8dB volume
40
W
RMS Output Power (THD=0.2%)
+8dB volume
30
W
RMS Output Power (THD=0.17%)
+8dB volume
20
W
THD+N
Total Harmonic Distortion + Noise
Po=15W
0.15
%
SNR
Signal to Noise Ratio(Note 12)
+8dB volume
-9dB
97
dB
DR
Dynamic Range(Note 12)
+8dB volume
-68dB
105
dB
PSRR
Power Supply Rejection Ratio
VRIPPLE=1VRMS at
1kHz
77
dB
Note 12: Measured with A-weighting filter.
Note 13: Thermal dissipation is limited by package type and application PCB design, the external heat-sink or
system cooling method should be adopted for maximum power output.
Total Harmonic Distortion + Noise vs. Output Power (Mono)
Output Power (W)
0.01
20
0.02
0.05
0.1
0.2
0.5
1
2
5
10
1m
100
2m
5m
10m
20m
50m 100m 200m
500m
1
2
5
10
20
50
24V, 4Ω
Mono
10kHz
20Hz
1kHz



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