ADR431B AD [Analog Devices], ADR431B Datasheet - Page 12

• Manufacturer Part Number: ADR431B
• Description: Ultralow Noise XFET Voltage References with Current Sink and Source Capability
• Manufacturer: AD [Analog Devices]

ADR430/ADR431/ADR433/ADR434/ADR435/ADR439
1.9
1.7
1.5
1.3
1.1
0.9
20
16
12
–4
8
4
0
–40
–40
C
NO LOAD
Figure 15. ADR435 Minimum Headroom vs. Temperature
IN
Figure 16. ADR435 Line Regulation vs. Temperature
= 0.01µF
–25
–25
–10
–10
Figure 17. ADR431 Turn-On Response
5
5
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
35
35
50
50
V
V
IN
OUT
65
65
= 2V/DIV
= 1V/DIV
V
TIME = 4µs/DIV
80
80
IN
= 7V TO 18V
NO LOAD
95
95
110
110
125
125
Rev. B | Page 12 of 24
Figure 18. ADR431 Turn-On Response, 0.01 µF Load Capacitor
Figure 20. ADR431 Line Transient Response—No Capacitors
C
NO INPUT CAPACITOR
BYPASS CAPACITOR = 0µF
V
LOAD
V
V
IN
IN
OUT
= 2V/DIV
= 0.01µF
= 1V/DIV
Figure 19. ADR431 Turn-Off Response
V
TIME = 100µs/DIV
OUT
500mV/DIV
= 50mV/DIV
V
TIME = 4µs/DIV
IN
C
NO LOAD
LINE
INTERRUPTION
V
IN
= 2V/DIV
TIME = 4µs/DIV
OUT
= 0.01µF
= 1V/DIV