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NCP2820 Datasheet(PDF) 6 Page - ON Semiconductor

Part No. NCP2820
Description  2.65 W Filterless Class−D Audio Power Amplifier
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP2820
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS (Limits apply for TA = +25°C unless otherwise noted) (NCP2820MUTBG)
Characteristic
Unit
Max
Typ
Min
Conditions
Symbol
RMS Output Power
Po
RL = 8.0 W, f = 1.0 kHz, THD+N < 1%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.22
0.33
0.45
0.67
0.92
W
RL = 8.0 W, f = 1.0 kHz, THD+N < 10%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.36
0.53
0.76
1.07
1.49
W
RL = 4.0 W, f = 1.0 kHz, THD+N < 1%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.24
0.38
0.57
0.83
1.2
W
RL = 4.0 W, f = 1.0 kHz, THD+N < 10%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.52
0.8
1.125
1.58
2.19
W
Efficiency
RL = 8.0 W, f = 1.0 kHz
Vp = 5.0 V, Pout = 1.2 W
Vp = 3.6 V, Pout = 0.6 W
87
87
%
RL = 4.0 W, f = 1.0 kHz
Vp = 5.0 V, Pout = 2.0 W
Vp = 3.6 V, Pout = 1.0 W
79
78
Total Harmonic Distortion + Noise
THD+N
Vp = 5.0 V, RL = 8.0 W,
f = 1.0 kHz, Pout = 0.25 W
Vp = 3.6 V, RL = 8.0 W,
f = 1.0 kHz, Pout = 0.25 W
0.05
0.06
%
Common Mode Rejection Ratio
CMRR
Vp from 2.5 V to 5.5 V
Vic = 0.5 V to Vp − 0.8 V
Vp = 3.6 V, Vic = 1.0 Vpp
f = 217 Hz
f = 1.0 kHz
−62
−56
−57
dB
Power Supply Rejection Ratio
PSRR
Vp_ripple_pk−pk = 200 mV, RL = 8.0 W,
Inputs AC Grounded
Vp = 3.6 V
f = 217 kHz
f = 1.0 kHz
−62
−65
dB




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