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NCP4894FCT1

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
NCP4894
http://onsemi.com
7
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 3. THDN versus Frequency
10 100
0.100
0.001
THD+N(%)
FREQUENCY (Hz)
Figure 4. THDN versus Frequency
1000 10000 100000
0.010
Figure 5. THDN versus Frequency Figure 6. THDN versus Frequency
VP = 5 V
R
L
= 8 W
P
out
= 400 mW
Figure 7. THDN versus Output Power
0 200
10
0.001
THD+N(%)
OUTPUT POWER (mW)
Figure 8. THDN versus Output Power
0.01
0.1
1
400 600 800 1000 1200
10 100
0.100
0.001
THD+N(%)
FREQUENCY (Hz)
1000 10000 10000
0
0.010
VP = 3 V
R
L
= 8 W
P
out
= 250 mW
10 100
0.100
0.001
THD+N(%)
FREQUENCY (Hz)
1000 10000 100000
0.010
VP = 2.6 V
R
L
= 8 W
P
out
= 150 mW
10 100
0.100
0.001
THD+N(%)
FREQUENCY (Hz)
1000 10000 10000
0
0.010
VP = 3.6 V
R
L
= 4 W
P
out
= 300 mW
VP = 5 V
R
L
= 8 W
f = 1 kHz
0 100
10
THD+N(%)
OUTPUT POWER (mW)
0.01
0.1
1
200 300 400 50
0
VP = 3 V
R
L
= 8 W
f = 1 kHz
0.001
NCP4894
http://onsemi.com
8
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 9. THDN versus Output Power
100
0
−100
PSSR(dB)
FREQUENCY (Hz)
Figure 10. THDN versus Output Power
1000 10000 1000
00
−50
VP = 5 V
R
L
= 8 W
V
ripple
= 200 mV pk−pk
Inputs grounded with 10 W
Av = 1
Cb = 1 mF
0 200
10
0.001
THD+N(%)
OUTPUT POWER (mW)
0.01
0.1
1
400 600 800 100
0
VP = 3.6 V
R
L
= 4 W
f = 1 kHz
0 100
10
THD+N(%)
OUTPUT POWER (mW)
0.01
0.1
1
200 300
VP = 2.6 V
R
L
= 8 W
f = 1 kHz
0.001
−40
−30
−20
−10
−90
−80
−70
−60
100
0
−100
PSSR(dB)
FREQUENCY (Hz)
1000 10000 100000
−50
VP = 3 V
R
L
= 8 W
V
ripple
= 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
PSSR(dB)
FREQUENCY (Hz)
1000 10000 1000
00
−50
VP = 2.2 V
R
L
= 8 W
V
ripple
= 200 mV pk−pk
Inputs grounded with 10 W
Av = 1
Cb = 1 mF
−40
−30
−20
−10
−90
−80
−70
−60
Figure 11. THDN versus Output Power Figure 12. PSRR @ VP = 5 V
Figure 13. PSRR @ VP = 3 V Figure 14. 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
OUTPUT POWER (mW)
R
L
= 8 W
f = 1 kHz
THD+N = 10%
THD+N = 1%
POIWER SUPPLY (V)
NCP4894
http://onsemi.com
9
TYPICAL PERFORMANCE CHARACTERISTICS
100 1000 10000 10000
0
−50
−40
−30
−60
−20
Figure 15. PSRR versus Av @ VP = 3 V
100
−100
PSRR(dB)
FREQUENCY (Hz)
Figure 16. CMRR @ VP = 5 V
1000 10000 1000
00
−50
Figure 17. CMRR @ VP = 3 V
Figure 18. CMMR @ VP = 2.2 V
VP = 3 V
R
L
= 8 W
V
ripple
= 200 mV pk−pk
Inputs grounded with 10 W
−40
−30
−20
−10
−90
−80
−70
−60
100
CMRR(dB)
FREQUENCY (Hz)
1000 10000
−50
VP = 5 V
R
L
= 8 W
Av = 1
Cb = 1 mF
−40
−30
−60
CMRR(dB)
FREQUENCY (Hz)
0
Av = 5
Av = 1
VP = 3 V
R
L
= 8 W
Av = 1
Cb = 1 mF
−60
−20
Figure 19. Noise Floor @ VP = 3.6 V
10 100
1
100
OUTPUT NOISE VOLTAGE (mVrms)
FREQUENCY (Hz)
1000 10000 1000
00
10
NCP4894 ON
VP = 3.6 V
R
L
= 8 W
Av = 1
Cb = 1 mF
100 1000 10000
−50
−40
−30
−60
−20
CMRR(dB)
FREQUENCY (Hz)
VP = 2.2V
R
L
= 8 W
Av = 1
Cb = 1 mF
−60
NCP4894 OFF
100000
100000
Figure 20. PSRR versus Cb @ VP = 3 V
100
0
−100
PSSR(dB)
FREQUENCY (Hz)
1000 10000 100000
−50
VP = 3 V
R
L
= 8 W
V
ripple
= 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
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

NCP4894FCT1

Mfr. #:
Buy NCP4894FCT1
Manufacturer:
ON Semiconductor
Description:
Audio Amplifiers 1.8W Diff Audio PWR
Lifecycle:
New from this manufacturer.
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