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ADR423BRZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
Data Sheet ADR420/ADR421/ADR423/ADR425
Rev. J | Page 13 of 24
012345
02432-022
LOAD CURRENT (mA)
DIFFERENTIAL VOLTAGE (V)
2.5
2.0
1.5
1.0
0.5
0
–40°C
+125°C
+25°C
Figure 21. ADR423 Minimum Input/Output Voltage
Differential vs. Load Current
012345
02432-023
LOAD CURRENT (mA)
DIFFERENTIAL VOLTAGE (V)
2.5
2.0
1.5
1.0
0.5
0
–40°C
+125°C
+25°C
Figure 22. ADR425 Minimum Input/Output Voltage
Differential vs. Load Current
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
MORE
02432-024
DEVIATION (ppm)
NUMBER OF PARTS
30
20
25
15
10
5
0
SAMPLE SIZE – 160
TEMPERATURE
+25°C –40°C
+125°C +25°C
Figure 23. ADR421 Typical Hysteresis
02432-025
TIME (1s/DIV)
1µV/DIV
Figure 24. ADR421 Typical Noise Voltage 0.1 Hz to 10 Hz
02432-026
TIME (1s/DIV)
50µV/DIV
Figure 25. Typical Noise Voltage 10 Hz to 10 kHz
02432-027
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/ Hz)
ADR423
ADR421
ADR420
ADR425
10 100
10
100
1k
1k 10k
Figure 26. Voltage Noise Density vs. Frequency
ADR420/ADR421/ADR423/ADR425 Data Sheet
Rev. J | Page 14 of 24
02432-028
TIME (100µs/DIV)
500mV/DIV
LINE INTERRUPTION
500mV/DIV
C
BYPASS
= 0µF
V
IN
V
OUT
Figure 27. ADR421 Line Transient Response, no C
BYPASS
02432-029
TIME (100µs/DIV)
500mV/DIV
LINE INTERRUPTION
500mV/DIV
C
BYPASS
= 0.1µF
V
IN
V
OUT
Figure 28. ADR421 Line Transient Response, C
BYPASS
= 0.1 μF
02432-030
TIME (100µs/DIV)
2V/DIV
1V/DIV
C
L
= 0µF
LOAD ON
LOAD OFF
V
OUT
1mA LOAD
Figure 29. ADR421 Load Transient Response, no C
L
02432-031
TIME (100µs/DIV)
2V/DIV
1V/DIV
C
L
= 100nF
LOAD ON
LOAD OFF
V
OUT
1mA LOAD
Figure 30. ADR421 Load Transient Response, C
L
= 100 nF
02432-032
TIME (4µs/DIV)
2V/DIV
V
IN
2V/DIV
V
OUT
C
IN
= 0.01µF
NO LOAD
Figure 31. ADR421 Turn-Off Response
02432-033
TIME (4µs/DIV)
2V/DIV
2V/DIV
C
IN
= 0.01µF
NO LOAD
V
IN
V
OUT
Figure 32. ADR421 Turn-On Response
Data Sheet ADR420/ADR421/ADR423/ADR425
Rev. J | Page 15 of 24
02432-034
TIME (4µs/DIV)
2V/DIV
2V/DIV
C
L
= 0.01µF
NO INPUT CAP
V
IN
V
OUT
Figure 33. ADR421 Turn-Off Response
02432-035
TIME (4µs/DIV)
2V/DIV
2V/DIV
C
L
= 0.01µF
NO INPUT CAP
V
IN
V
OUT
Figure 34. ADR421 Turn-On Response
02432-036
TIME (100µs/DIV)
2V/DIV
5V/DIV
V
IN
V
OUT
C
BYPASS
= 0.1µF
R
L
= 500Ω
C
L
= 0
Figure 35. ADR421 Turn-On/Turn-Off Response
ADR425
ADR420
ADR421
ADR423
10 100 1k 10k 100k
02432-037
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
50
45
40
35
30
25
20
15
10
5
0
Figure 36. Output Impedance vs. Frequency
10 100 10k1k 100k 1M
02432-038
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
Figure 37. Ripple Rejection vs. Frequency
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

ADR423BRZ

Mfr. #:
Buy ADR423BRZ
Manufacturer:
Analog Devices Inc.
Description:
Voltage References Low Noise 3.00V Ultraprecision
Lifecycle:
New from this manufacturer.
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