AD623
SPECIFICATIONS
SINGLE SUPPLY
Typical @ 25°C single supply, VS = 5 V, and RL = 10 kΩ, unless otherwise noted.
Table 1.
AD623A
Typ Max
AD623ARM
Typ Max
AD623B
Typ Max
Parameter
Conditions
Min
Min
Min
Unit
GAIN
G =
1 + (100 k/RG)
Gain Range
Gain Error1
1
1000
1
1000
1
1000
G1 VOUT
0.05 V to 3.5 V
G > 1 VOUT
0.05 V to 4.5 V
=
=
G = 1
G = 10
G = 100
0.03 0.10
0.10 0.35
0.10 0.35
0.10 0.35
0.03 0.10
0.10 0.35
0.10 0.35
0.10 0.35
0.03 0.05
0.10 0.35
0.10 0.35
0.10 0.35
%
%
%
%
G = 1000
Nonlinearity
G1 VOUT
0.05 V to 3.5 V
G > 1 VOUT
=
=
0.05 V to 4.5 V
G = 1 to 1000
Gain vs. Temperature
G = 1
50
50
50
ppm
5
50
10
5
50
10
5
50
10
ppm/°C
ppm/°C
G > 11
VOLTAGE OFFSET
Total RTI error =
VOSI + VOSO/G
Input Offset, VOSI
Over Temperature
Average Tempco
Output Offset, VOSO
Over Temperature
Average Tempco
25
200
350
2
200 500
650
25
100
160
1
μV
μV
μV/°C
μV
μV
0.1
0.1
2
0.1
200 1000
1500
2.5
500 2000
2600
200 500
1100
10
10
2.5
10
2.5
μV/°C
Offset Referred to the
Input vs. Supply (PSR)
G = 1
G = 10
G = 100
G = 1000
80
100
120
140
140
80
100
120
140
140
80
100
120
140
140
dB
dB
dB
dB
100
120
120
100
120
120
100
120
120
INPUT CURRENT
Input Bias Current
Over Temperature
Average Tempco
Input Offset Current
Over Temperature
Average Tempco
17
25
27.5
17
25
27.5
17
25
27.5
nA
nA
pA/°C
nA
nA
25
0.25
25
0.25
25
0.25
2
2.5
2
2.5
2
2.5
5
5
5
pA/°C
Rev. D | Page 3 of 24
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