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AD82088 Datasheet(PDF) 13 Page - Elite Semiconductor Memory Technology Inc.

Part # AD82088
Description  2x20W Stereo / 1x40W Mono Digital Audio Amplifier With 30 bands EQ and DRC Functions
PDF  84 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.

AD82088 Datasheet(HTML) 13 Page - Elite Semiconductor Memory Technology Inc.

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 13 / 84 page
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ESMT
AD82088
Elite Semiconductor Microelectronics Technology Inc.
Publication Date: Oct. 2022
Revision: 2.4
13/84
Electrical Characteristics and Specifications for Loudspeaker
 BTL (Bridge-Tied-Load) output for Stereo
Condition: TA=25
oC, DVDD=3.3V, VDDL=VDDR=24V, F
S=48kHz, Load=8 with passive LC lowpass filter
(L=15
μ H with R
DC=63mΩ , C=220nF); Input is 1kHz sinewave. Volume is 0dB unless otherwise specified.
Symbol
Parameter
Condition
Input Level Min
Typ
Max Units
PO
(Note 9)
RMS Output Power (THD+N=0.12%)
20
W
RMS Output Power (THD+N=0.10%)
15
W
RMS Output Power (THD+N=0.08%)
10
W
THD+N
Total Harmonic Distortion + Noise
PO=7.5W
0.07
%
SNR
Signal to Noise Ratio (Note 8)
Maximum power
at THD < 1%
@1kHz
106
dB
DR
Dynamic Range (Note 8)
-60dB
108
dB
Vn
Output Noise (Note 8)
20Hz to 20kHz
100
uV
PSRR
Power Supply Rejection Ratio
VRIPPLE=1VRMS at
1kHz
-73
dB
Channel Separation
1W @1kHz
-72
dB
Note 8: Measured with A-weighting filter.
Note 9: Thermal dissipation is limited by package type and PCB design. The external heat-sink or system
cooling method should be adopted for maximum power output.
Total Harmonic Distortion + Noise vs. Output Power (BTL)
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
Output Power (W)
24V, 8Ω
Stereo
20Hz
1kHz
10kHz



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