AD623
Parameter
INPUT
Input Impedance
Differential
Common-Mode
Input Voltage Range
2
Common-Mode Rejection
at 60 Hz with 1 kΩ Source
Imbalance
G=1
G = 10
G = 100
G = 1000
OUTPUT
Output Swing
Conditions
Min
AD623A
Typ Max
AD623ARM
Min
Typ Max
Min
AD623B
Typ Max
Unit
2||2
2||2
V
S
= 3 V to 12 V
(−V
S
) −
0.15
(+V
S
) −
1.5
(−V
S
) −
0.15
2||2
2||2
(+V
S
) −
1.5
(−V
S
) −
0.15
2||2
2||2
(+V
S
) −
1.5
GΩ||pF
GΩ||pF
V
V
CM
= 0 V to 3 V
V
CM
= 0 V to 3 V
V
CM
= 0 V to 3 V
V
CM
= 0 V to 3 V
R
L
= 10 kΩ
R
L
= 100 kΩ
70
90
105
105
0.01
0.01
80
100
110
110
(+V
S
) −
0.5
(+V
S
) −
0.15
70
90
105
105
0.01
0.01
80
100
110
110
(+V
S
) −
0.5
(+V
S
) −
0.15
77
94
105
105
0.01
0.01
86
100
110
110
(+V
S
) −
0.5
(+V
S
) −
0.15
dB
dB
dB
dB
V
V
DYNAMIC RESPONSE
Small Signal −3 dB Bandwidth
G=1
G = 10
G = 100
G = 1000
Slew Rate
Settling Time to 0.01%
G=1
G = 10
1
2
800
100
10
2
0.3
V
S
= 5 V
Step size: 3.5 V
Step size: 4 V,
V
CM
= 1.8 V
30
20
800
100
10
2
0.3
30
20
800
100
10
2
0.3
30
20
kHz
kHz
kHz
kHz
V/μs
μs
μs
Does not include effects of external resistor, R
G
.
One input grounded. G = 1.
DUAL SUPPLIES
Typical @ 25°C dual supply, V
S
= ±5 V, and R
L
= 10 kΩ, unless otherwise noted.
Table 2.
Parameter
GAIN
Gain Range
Gain Error
1
Conditions
G=
1 + (100 k/R
G
)
G1 V
OUT
=
−4.8 V to +3.5 V
G > 1 V
OUT
=
0.05 V to 4.5 V
0.03
0.10
0.10
0.10
0.10
0.35
0.35
0.35
0.03
0.10
0.10
0.10
0.10
0.35
0.35
0.35
0.03
0.10
0.10
0.10
0.05
0.35
0.35
0.35
%
%
%
%
Min
AD623A
Typ Max
AD623ARM
Min
Typ Max
Min
AD623B
Typ Max
Unit
1
1000
1
1000
1
1000
G=1
G = 10
G = 100
G = 1000
Rev. D | Page 4 of 24
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