PRELIMINARY
CM3015
Performance Information (cont’d)
Power Supply Ripple Rejection and Noise Characteristics (nominal conditions unless specified otherwise)
Nominal Conditions: C = 1µF, V = 4.0V, PSRR measured with 50mV peak-to-peak sine wave on V .
IN
IN
IN
Power Supply Ripple Rejection
Power Supply Ripple Rejection
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
100uA Load
5mA Load
100uA Load
5mA Load
100mA Load
300mA Load
100mA Load
300mA Load
10
100
1000
10000
100000
10
100
1000
Frequency (Hz)
10000
100000
Frequency (Hz)
Figure 25. Power Supply Ripple Rejection
(C =10µF, C =100nF)
Figure 27. Power Supply Ripple Rejection
(No C , C =100nF)
OUT
BYP
OUT
BYP
Ouput noise spectral density (100uA Load)
Power Supply Ripple Rejection
80
70
60
50
40
30
20
10
0
1.E-06
1.E-07
1.E-08
100uA Load
5mA Load
100mA Load
300mA Load
COUT = 10µF, CBYP = 100nF
10
100
1000
10000
100000
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
Frequency (Hz)
Frequency [Hz]
Figure 26. Power Supply Ripple Rejection
(C =2.2µF, C =100nF)
Figure 28. Output Noise Spectral Density
(I =100µA, C =10µF, C =100nF)
OUT
BYP
LOAD
OUT
BYP
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●
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9
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