ADR121 Analog Devices, Inc., ADR121 Datasheet - Page 15

• Manufacturer Part Number: ADR121
• Description: Precision, Micropower Ldo Voltage References In Tsot
• Manufacturer: Analog Devices, Inc.

1
2
1
2
1
2
Figure 44. ADR121 Load Transient Response (Sourcing)
Figure 46. ADR125 Load Transient Response (Sourcing)
Figure 45. ADR125 Load Transient Response (Sinking)
V
100mV/DIV
V
20mV/DIV
OUT
OUT
V
100mV/DIV
OUT
V
C
2.5kŸ LOAD
2mA SINKING
IN
IN
V
C
500Ÿ LOAD
5mA SOURCING
V
C
1kŸ LOAD
5mA SOURCING
IN
IN
IN
IN
2V/DIV
= C
1V/DIV
= C
2V/DIV
= C
OUT
OUT
OUT
= 0.1µF
TIME (40µs/DIV)
= 0.1µF
= 0.1µF
TIME (40µs/DIV)
TIME (40µs/DIV)
2.5V
0V
10V
5V
5V
0V
Rev. 0 | Page 15 of 20
Figure 48. ADR121/ADR125/ADR127 Output Impedance vs. Frequency
–100
–120
–140
–160
–180
–200
–20
–40
–60
–80
50
45
40
35
30
25
20
15
10
5
0
0
10
10
Figure 47. ADR121/ADR125/ADR127 PSRR
1
100
100
1k
ADR121/ADR125/ADR127
1
FREQUENCY (Hz)
10k
1k
100k
1M
10k
10M
ADR127
ADR121
ADR125
100M
100k