PRELIMINARY
CM3015
Performance Information (cont’d)
Power Supply Ripple Rejection and Noise Characteristics (nominal conditions unless specified otherwise)
Nominal Conditions: C
IN
= 1µF, V
IN
= 4.0V, PSRR measured with 50mV peak-to-peak sine wave on V
IN
.
Power Supply Ripple Rejection
80
70
60
PSRR (dB)
Power Supply Ripple Rejection
80
70
60
40
30
20
10
0
10
PSRR (dB)
50
100uA Load
5mA Load
100mA Load
300mA Load
50
40
30
20
10
0
100uA Load
5mA Load
100mA Load
300mA Load
10
100
1000
Frequency (Hz)
10000
100000
100
1000
Frequency (Hz)
10000
100000
Figure 25. Power Supply Ripple Rejection
(C
OUT
=10µF, C
BYP
=100nF)
Figure 27. Power Supply Ripple Rejection
(No C
OUT
, C
BYP
=100nF)
Power Supply Ripple Rejection
80
70
60
1.E-06
Ouput noise spectral density (100uA Load)
PSRR (dB)
50
40
30
20
10
0
10
100
1000
Frequency (Hz)
10000
100000
100uA Load
5mA Load
100mA Load
300mA Load
En[µV/rootHz]
1.E-07
C
OUT
= 10µF, C
BYP
= 100nF
1.E-08
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
Frequency [Hz]
Figure 26. Power Supply Ripple Rejection
(C
OUT
=2.2µF, C
BYP
=100nF)
Figure 28. Output Noise Spectral Density
(I
LOAD
=100µA, C
OUT
=10µF, C
BYP
=100nF)
©
2004 California Micro Devices Corp. All rights reserved.
09/14/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
●
Fax: 408.263.7846
●
www.calmicro.com
9
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
