ADR420/ADR421/ADR423/ADR425 Data Sheet
Rev. J | Page 10 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
–40 –10 20 50 80
125
1
10
02432-004
TEMPERATURE (°C)
V
OUT
(V)
2.0495
2.0493
2.0491
2.0489
2.0487
2.0485
2.0483
2.0481
2.0479
2.0477
2.0475
Figure 3. ADR420 Typical Output Voltage vs. Temperature
–40 –10
20 50 80
1251
10
02432-005
TEMPERA
TURE (°C)
V
OUT
(V)
2.4995
2.4997
2.4999
2.5001
2.5003
2.5005
2.5007
2.5009
2.501
1
2.5013
2.5015
Figure 4. ADR421 Typical Output Voltage vs. Temperature
–40 –10 20
50 80 125110
02432-006
TEMPERATURE (°C)
V
OUT
(V)
3.0010
3.0008
3.0006
3.0004
3.0002
3.0000
2.9998
2.9996
2.9994
2.9992
2.9990
Figure 5. ADR423 Typical Output Voltage vs. Temperature
–40 –10
20 50 80 125110
02432-007
TEMPERATURE (°C)
V
OUT
(V)
5.0025
5.0023
5.0021
5.0019
5.0017
5.0015
5.0013
5.0011
5.0009
5.0007
5.0005
Figure 6. ADR425 Typical Output Voltage vs. Temperature
4 6 8 10 12 1514
02432-008
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
0.55
0.50
0.45
0.40
0.35
0.30
0.25
+125°C
+25°C
–40°C
Figure 7. ADR420 Supply Current vs. Input Voltage
4 6 8 10 12 1514
02432-009
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
0.55
0.50
0.45
0.40
0.35
0.30
0.25
+125°C
+25°C
–40°C
Figure 8. ADR421 Supply Current vs. Input Voltage
Data Sheet ADR420/ADR421/ADR423/ADR425
Rev. J | Page 11 of 24
4 6 8 10
12 15
14
02432-010
INPUT VO
LTAGE (V)
SUPPLY CURRENT (mA)
0.55
0.50
0.45
0.40
0.35
0.30
0.25
+125°C
+25°C
–40°C
Figure 9. ADR423 Supply Current vs. Input Voltage
6 8 10 12 1514
02432-011
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
0.55
0.50
0.45
0.40
0.35
0.30
0.25
+125°C
+25°C
–40°C
Figure 10. ADR425 Supply Current vs. Input Voltage
–40 –10 20 50 80 110 125
02432-012
TEMPERATURE (°C)
LOAD REGULATION (ppm/mA)
70
50
60
40
30
20
10
0
I
L
= 0mA TO 5mA
V
IN
= 4.5V
V
IN
= 6V
Figure 11. ADR420 Load Regulation vs. Temperature
–40 –10
20 50 80 110 125
02432-013
TEMPERATURE (°C)
LOAD REGULA
TION (ppm/mA)
70
50
60
40
30
20
10
0
I
L
= 0m
A
T
O 5m
A
V
IN
= 6.5V
V
IN
= 5V
Figure 12. ADR421 Load Regulation vs. Temperature
–40 –10 20 50 80 110 125
02432-014
TEMPERATURE (°C)
LOAD REGULATION (ppm/mA)
70
50
60
40
30
20
10
0
I
L
= 0mA TO 10mA
V
IN
= 15V
V
IN
= 7V
Figure 13. ADR423 Load Regulation vs. Temperature
–40 –10 20 50 80 110 125
02432-015
TEMPERATURE (°C)
LOAD REGULATION (ppm/mA)
35
25
30
20
15
10
5
0
V
IN
= 15V
I
L
= 0mA TO 10mA
Figure 14. ADR425 Load Regulation vs. Temperature
ADR420/ADR421/ADR423/ADR425 Data Sheet
Rev. J | Page 12 of 24
–40 –10 20 50 80
1
10
125
02432-016
TEMPER
A
TURE (°C)
LINE REGULATION (ppm/V)
6
4
5
3
2
1
0
V
IN
= 4.5V
T
O 15V
Figure 15. ADR420 Line Regulation vs. Temperature
–40 –10 20
50 80
1
10
125
02432-017
TEMPERATURE (°C)
LINE REGULATION (ppm/V)
6
4
5
3
2
1
0
V
IN
= 5V
T
O 15V
Figure 16. ADR421 Line Regulation vs. Temperature
–40
–10 20 50 80
110
02432-018
TEMPERATURE (°C)
LINE REGULATION (ppm/V)
9
6
8
4
5
7
3
2
1
0
V
IN
= 5V T
O 15V
Figure 17. ADR423 Line Regulation vs. Temperature
–40 –10
20 50 80 110 125
02432-019
TEMPERATURE (°C)
LINE REGULA
TION (ppm/V)
14
10
12
8
6
4
2
0
V
IN
= 7.5V T
O 15V
Figure 18. ADR425 Line Regulation vs. Temperature
0 1 2 3 4 5
02432-020
LOAD CURRENT (mA)
DIFFERENTIAL VOLTAGE (V)
2.5
2.0
1.5
1.0
0.5
0
–40°C
+85°C
+25°C
Figure 19. ADR420 Minimum Input/Output Voltage
Differential vs. Load Current
0 1 2 3 4 5
02432-021
LOAD CURRENT (mA)
DIFFERENTIAL VOLTAGE (V)
2.5
2.0
1.5
1.0
0.5
0
–40°C
+125°C
+25°C
Figure 20. ADR421 Minimum Input/Output Voltage
Differential vs. Load Current

ADR425ARZ-REEL7

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Voltage References Low Noise 5.00V Ultraprecision
Lifecycle:
New from this manufacturer.
Delivery:
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