AD8497 AD [Analog Devices], AD8497 Datasheet - Page 8

• Manufacturer Part Number: AD8497
• Description: Precision Thermocouple Amplifiers with Cold Junction Compensation
• Manufacturer: AD [Analog Devices]

AD8494/AD8495/AD8496/AD8497
Figure 9. AD8494 Input Overvoltage Performance, +V
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
0
0
Figure 11. AD8496 Input Overvoltage Performance, +V
–30
–30
–30
Figure 10. AD8495/AD8497 Input Overvoltage Performance,
–25 –20 –15
–25 –20 –15
–25 –20 –15
+V
–10
–10
–10
V
V
V
I
INPUT VOLTAGE (V)
I
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
S
I
OUT
OUT
OUT
IN
IN
IN
= 2.7 V (Gain = 122.4)
–5
–5
–5
Gain = 90.35)
0
0
0
5
5
5
10
10
10
15
15
15
S
20
= 2.7 V (Gain = 96.7)
20
20
25
25
25
S
= 2.7 V
30
30
30
2.00
1.50
1.00
0.50
0
–0.50
–1.00
2.00
1.50
1.00
0.50
0
–0.50
–1.00
2.00
1.50
1.00
0.50
0
–0.50
–1.00
Rev. 0 | Page 8 of 16
Figure 14. AD8496 Input Overvoltage Performance, V
Figure 12. AD8494 Input Overvoltage Performance, V
–12
–16
–12
–16
–12
–16
16
12
–4
–8
16
12
–4
–8
16
12
–4
–8
8
4
0
8
4
0
8
4
0
–30
–30
–30
Figure 13. AD8495/AD8497 Input Overvoltage Performance,
–25 –20 –15
–25 –20 –15
–25 –20 –15
V
–10
–10
–10
V
V
V
S
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
OUT
OUT
OUT
= ±15 V (Gain = 122.4)
–5
–5
–5
0
0
0
5
5
5
10
10
10
I
I
I
IN
IN
IN
15
15
15
S
S
= ±15 V (Gain = 90.35)
= ±15 V (Gain = 96.7)
20
20
20
25
25
25
30
30
30
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0