(typical @ VS = ꢃ15 V, RL = 2 kꢀ and TA = + 25ꢁC, unless otherwise noted)
AD625–SPECIFICATIONS
AD625A/J/S
AD625B/K
Typ
AD625C
Typ
Model
Min Typ
Max
Min
Max
+ 1
10,000
0.03
Min
Max
+ 1
110,000
0.02
Unit
GAIN
Gain Equation
2 RF
RG
2 RF
RG
2 RF
RG
+ 1
Gain Range
1
10,000
0.05
1
1
Gain Error1
.035
ꢃ
0.02
ꢃ
0.01
ꢃ
%
Nonlinearity, Gain = 1-256
Gain>256
0.005
0.01
0.002
0.008
0.001
0.005
%
%
ppm/°C
Gain vs. Temp. Gain<10001
5
5
5
GAIN SENSE INPUT
Gain Sense Current
vs. Temperature
300
5
150
500
20
500
150
2
75
250
15
250
50
2
50
100
10
100
nA
nA/°C
nA
Gain Sense Offset Current
vs. Temperature
2
15
1
10
2
10
nA/°C
VOLTAGE OFFSET (May be Nulled)
Input Offset Voltage
vs. Temperature
Output Offset Voltage
vs. Temperature
Offset Referred to the
Input vs. Supply
G = 1
50
1
4
200
2/2
5
25
0.25
2
50
0.50/1
3
10
0.1
1
25
0.25
2
µV
µV/°C
mV
20
50/50
10
25/40
10
15
µV/°C
70
85
95
75
95
100
75
90
105
110
85
80
95
110
115
90
dB
dB
dB
dB
G = 10
G = 100
G = 1000
100
110
120
105
120
140
100 110
INPUT CURRENT
Input Bias Current
vs. Temperature
Input Offset Current
vs. Temperature
30
50
2
ꢃ
ꢃ
50
20
50
1
ꢃ
ꢃ
25
15
10
50
1
ꢃ
ꢃ
15
5
nA
pA/°C
nA
35
20
20
20
pA/°C
INPUT
Input Impedance
Differential Resistance
Differential Capacitance
Common-Mode Resistance
Common-Mode Capacitance
1
4
1
4
1
4
1
4
1
4
1
4
GΩ
pF
GΩ
pF
Input Voltage Range
Differ. Input Linear (VDL
2
)
10
10
10
V
G
G
G
12V –
×VD
12V –
×VD
12V –
×VD
Common-Mode Linear (VCM
)
(
)
(
)
(
)
2
2
2
Common-Mode Rejection Ratio dc to
60 Hz with 1 kΩ Source Imbalance
G = 1
70
90
75
95
75
90
85
80
90
dB
dB
dB
dB
G = 10
G = 100
G = 1000
105
115
125
100
110
120
115
125
140
100 105
110 115
105
110
OUTPUT RATING
10 V
10 V
10 V
@ 5 mA
@ 5 mA
@ 5 mA
DYNAMIC RESPONSE
Small Signal –3 dB
G = 1 (RF = 20 kΩ)
G = 10
G = 100
G = 1000
Slew Rate
Settling Time to 0.01%, 20 V Step
650
400
150
25
650
400
150
25
650
400
150
25
kHz
kHz
kHz
kHz
V/µs
5.0
5.0
5.0
G = 1 to 200
G = 500
G = 1000
15
35
75
15
35
75
15
35
75
µs
µs
µs
–2–
REV. D
ADI [ ADI ]
