AD628
AD628AR
Typ
AD628ARM
Typ
Parameter
Conditions
Min
Max
Min
Max
Unit
OUTPUT AMPLIFIER
Gain Equation
G = (1 + REXT1/REXT2
)
V/V
Nonlinearity
Offset Voltage
G = +1, VOUT = 10 V
RTI of output amp
0.5
0.5
ppm
−0.15
+0.15 −0.15
+0.15 mV
vs. Temperature
Output Voltage Swing
0.6
0.6
μV/°C
V
V
nA
nA
dB
dB
RL = 10 kΩ
RL = 2 kΩ
−14.2
−13.8
+14.1 −14.2
+13.6 −13.8
3
0.5
130
130
+14.1
+13.6
3
Bias Current
Offset Current
CMRR
Open-Loop Gain
POWER SUPPLY
Operating Range
Quiescent Current
TEMPERATURE RANGE
1.5
0.2
1.5
0.2
0.5
VCM = 13 V
VOUT = 13 V
130
130
2.25
18
1.6
+85
2.25
−40
18
1.6
V
mA
°C
−40
+85
1 To use a lower gain, see the Gain Adjustment section.
2 The addition of the difference amplifier and output amplifier offset voltage does not exceed this specification.
⎡
⎢
⎢
⎤
⎥
⎥
(0.1)(V
)
CM
75
3 Error due to common mode as seen at the output: VOUT
=
×[Output AmplifierGain] .
⎢
⎣
⎥
⎦
10 20
⎡
⎢
⎢
⎤
(0.1)(V
)
⎥
⎥
CM
75
4 Error due to common mode as seen at the output of A1: VOUT A1=
.
⎢
⎣
⎥
⎦
10 20
Rev. G | Page 4 of 20
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