AD5399
1000
70
60
50
40
30
20
10
0
V
= 5V
SS = 345
25°C to 85°C
DD
100
10
1
0.1
–60 –40 –20
0
20
40
60
80
100 120 140
–45–40–35–30–25–20–15–10 –5
0
5 10 15 20 25 30 35 40
SHUTDOWN TEMPERATURE (°C)
TEMPCO (ppm/°C)
Figure 12. Shutdown Current vs. Temperature
Figure 15. VBZ Temperature Coefficient (TA = 25°C to 85°C)
20
100
SS = 345
25°C to 105°C
V
T
= 5V
= 25°C
DD
CURRENT SINKING
CODE = 0x000 = 2V
A
18
16
14
12
10
8
80
60
40
20
0
CURRENT SOURCING
CODE = 0x000 = 2V
6
4
CURRENT SINKING
CODE = 0x800 = 0V
2
0
–6
–4
–2
0
2
4
6
8
10
–15 –10 –5
0
5
10 15 20 25 30 35 40 45 50
TEMPCO (ppm/°C)
∆V
(mV)
OUT
Figure 13. Load Current vs. Voltage Drop
Figure 16. VBZ Temperature Coefficient (TA = 25°C to 105°C)
40
0.5
SS = 345
V
= 5V
DD
–40°C to +25°C
BURN-IN TEMPERATURE = 125°C
0.4
0.3
35
30
25
20
15
10
5
0.2
V
+FS
0.1
0
V
–FS
–0.1
–0.2
–0.3
–0.4
–0.5
V
V
BZ
BZS
0
0
200
400
600
800
1000
1200
–45–40–35–30–25–20–15–10 –5
0
5 10 15 20 25 30 35 40
HOURS OF OPERATION
TEMPCO (ppm/°C)
Figure 14. Long-Term Drift
Figure 17. VBZ Temperature Coefficient (TA = –40°C to +25°C)
Rev. D | Page 8 of 12
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