ADT70 Analog Devices, ADT70 Datasheet - Page 6

• Manufacturer Part Number: ADT70
• Description: PRTD Conditioning Circuit And Temperature Controller
• Manufacturer: Analog Devices

ADT70
Figure 13. Op Amp Output Voltage from Rails vs.
Load Current
2.515
2.505
2.495
2.485
1000
2.52
2.51
2.49
2.48
Figure 14. Reference Voltage vs. Load Current
100
Figure 15. Supply Current vs. Supply Voltage
2.5
3.8
3.6
3.4
3.2
10
1
4
3
4.5
1
0
V
V
T
T
V
V
A
CC
EE
A
CM
EE
V
= +25 C
= +25 C
S
= 0
= 5V
1
= GND
INAMP = 1V
= +5V, DUT SOURCING
2
4.75
10
SUPPLY VOLTAGE – Volts
3
LOAD CURRENT – mA
LOAD CURRENT – A
4
100
5.0
5
SOURCING
CURRENT
V
CC
6
,
5.25
1k
7
SINKING
CURRENT
V
EE
,
8
10k
5.5
9
–6–
Figure 16. Output of Current Source vs. Supply Voltage
Figure 18. Op Amp Open Loop Gain and Phase vs.
Frequency
140
120
100
120
100
950
940
930
920
910
80
60
40
20
20
40
60
80
80
60
40
20
0
0
100
10
4.5
Figure 17. In Amp CMRR vs. Frequency
V
V
V
CC
EE
REF
= 5V
= 0V
= 2.5V
100
1k
4.75
+125 C
+25 C
SUPPLY VOLTAGE – Volts
FREQUENCY – Hz
FREQUENCY – Hz
10k
1k
5.0
A
V
= 1.4
55 C
100k
10k
5.25
100k
1M
A
V
= 14
10M
1M
5.5
270
225
180
135
90
45
0
REV. 0
45
90
135
180