NCP4894MNR2 datasheet(7/18 Pages) ONSEMI

Part #	NCP4894MNR2

Description	1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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NCP4894

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TYPICAL PERFORMANCE CHARACTERISTICS

Figure 8. THDN versus Output Power

100

0

−100

FREQUENCY (Hz)

Figure 9. THDN versus Output Power

1000

10000

100000

−50

VP = 5 V

RL = 8 W

Vripple = 200 mV pk−pk

Inputs grounded with 10

W

Av = 1

Cb = 1

mF

0

200

10

0.001

OUTPUT POWER (mW)

0.01

0.1

1

400

600

800

1000

VP = 3.6 V

RL = 4 W

f = 1 kHz

0

100

10

OUTPUT POWER (mW)

0.01

0.1

1

200

300

VP = 2.6 V

RL = 8 W

f = 1 kHz

0.001

−40

−30

−20

−10

−90

−80

−70

−60

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

Cb = 1

mF

−40

−30

−20

−10

−90

−80

−70

−60

100

0

−100

FREQUENCY (Hz)

1000

10000

100000

−50

VP = 2.2 V

RL = 8 W

Vripple = 200 mV pk−pk

Inputs grounded with 10

W

Av = 1

Cb = 1

mF

−40

−30

−20

−10

−90

−80

−70

−60

Figure 10. THDN versus Output Power

Figure 11. PSRR @ VP = 5 V

Figure 12. PSRR @ VP = 3 V

Figure 13. PSRR @ VP = 2.2 V

2000

1800

1600

1400

1200

1000

800

600

400

200

0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

RL = 8 W

f = 1 kHz

THD+N = 10%

THD+N = 1%

POIWER SUPPLY (V)

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NCP4894MNR2 Datasheet(PDF) 7 Page - ON Semiconductor

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