NCP2820_13 datasheet(6/21 Pages) ONSEMI

Part #	NCP2820

Description	Filterless Class-D Audio Power Amplifier

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP2820 Series

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ELECTRICAL CHARACTERISTICS (Limits apply for TA = +25°C unless otherwise noted) (NCP2820MUTBG & NCV2820MUTBG)

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

−

%

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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