NCP4894MNR2G datasheet(9/19 Pages) ONSEMI

Part #	NCP4894MNR2G

Description	1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP4894

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TYPICAL PERFORMANCE CHARACTERISTICS

100

1000

10000

100000

−50

−40

−30

−60

−20

Figure 15. PSRR versus Av @ VP = 3 V

100

−100

FREQUENCY (Hz)

Figure 16. CMRR @ VP = 5 V

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100000

−50

Figure 17. CMRR @ VP = 3 V

Figure 18. CMMR @ VP = 2.2 V

VP = 3 V

RL = 8 W

Vripple = 200 mV pk−pk

Inputs grounded with 10

W

−40

−30

−20

−10

−90

−80

−70

−60

100

FREQUENCY (Hz)

1000

10000

−50

VP = 5 V

RL = 8 W

Av = 1

Cb = 1

mF

−40

−30

−60

FREQUENCY (Hz)

0

Av = 5

Av = 1

VP = 3 V

RL = 8 W

Av = 1

Cb = 1

mF

−60

−20

Figure 19. Noise Floor @ VP = 3.6 V

10

100

1

100

FREQUENCY (Hz)

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10000

100000

10

NCP4894 ON

VP = 3.6 V

RL = 8 W

Av = 1

Cb = 1

mF

100

1000

10000

−50

−40

−30

−60

−20

FREQUENCY (Hz)

VP = 2.2V

RL = 8 W

Av = 1

Cb = 1

mF

−60

NCP4894 OFF

100000

Figure 20. PSRR versus Cb @ VP = 3 V

100

0

−100

FREQUENCY (Hz)

1000

10000

100000

−50

VP = 3 V

RL = 8 W

Vripple = 200 mV pk−pk

Inputs grounded with 10

W

Av = 1

−40

−30

−20

−10

−90

−80

−70

−60

Cb = 1

mF

Cb = 4.7

mF

Cb = 0.47

mF

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NCP4894MNR2G Datasheet(PDF) 9 Page - ON Semiconductor

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