AD8497 AD [Analog Devices], AD8497 Datasheet - Page 3

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

SPECIFICATIONS
+V
gain and offset errors of the thermocouple itself. T
temperature; T
Table 2.
Parameter
TEMPERATURE ACCURACY
INPUTS
NOISE
REFERENCE INPUT
OUTPUT
DYNAMIC RESPONSE
POWER SUPPLY
Initial Accuracy
Ambient Temperature
Gain Error
Transfer Function
Input Voltage Range
Overvoltage Range
Input Bias Current
Input Offset Current
Common-Mode Rejection
Power Supply Rejection
Voltage Noise
Voltage Noise Density
Current Noise Density
Input Resistance
Input Current
Voltage Range
Gain to Output
Output Voltage Range
Short-Circuit Current
−3 dB Bandwidth
Settling Time to 0.1%
Operating Voltage Range
Quiescent Current
S
= 5 V, −V
AD8494/AD8495
AD8496/AD8497
AD8494/AD8495
AD8496/AD8497
AD8494/AD8495
AD8496/AD8497
AD8494
AD8495/AD8497
AD8496
AD8494
AD8495/AD8497
AD8496
Single Supply
Dual Supply
Rejection
2, 3
S
1
MJ
= 0 V, V
is the thermocouple measurement junction temperature.
4
5
+IN
= V
6
−IN
Test Conditions/Comments
T
T
T
T
V
V
+V
f = 0.1 Hz to 10 Hz, T
f = 1 kHz, T
f = 1 kHz, T
4 V output step
= 0 V, V
A
A
A
A
OUT
CM
= T
= T
= T
= T
S
= 0 V to 3 V
= 2.7 V to 5 V
= 0.125 V to 4.125 V
RJ
RJ
RJ
RJ
= T
= 60°C, T
= 0°C to 50°C
= 25°C to 100°C
REF
MJ
A
A
= 0 V, T
= 25°C
= 25°C
= 25°C
MJ
A
= 175°C
is the ambient temperature at the AD849x; T
A
A
= 25°C
= T
RJ
= 25°C, R
Rev. 0 | Page 3 of 16
−V
Min
−V
+V
−V
2.7
±2.7
S
S
S
S
+ 0.025
– 0.2
– 25
L
= 100 kΩ, unless otherwise noted. Specifications do not include
A Grade
Typ
5
25
0.8
32
100
60
25
1
7
30
25
31
36
40
32
180
AD8494/AD8495/AD8496/AD8497
Max
3
3
0.05
0.05
0.3
0.3
+V
−V
50
1.5
1
0.5
+V
+V
36
±18
250
S
S
S
S
– 1.6
+ 25
– 0.1
−V
RJ
Min
−V
+V
−V
2.7
±2.7
is the thermocouple reference junction
S
S
S
S
+ 0.025
– 0.2
– 25
C Grade
Typ
5
25
0.8
32
100
60
25
1
7
30
25
31
36
40
32
180
Max
1
1.5
0.025
0.1
0.1
+V
−V
50
0.5
+V
+V
0.025
0.3
0.5
36
±18
250
S
S
S
S
– 1.6
+ 25
– 0.1
Unit
°C
°C
°C/°C
°C/°C
%
%
mV/°C
V
V
nA
nA
°C/V
°C/V
μV p-p
nV/√Hz
fA/√Hz
kΩ
μA
V
V/V
V
mA
kHz
kHz
kHz
μs
μs
μs
V
V
μA