AD622 查看數據表（PDF） - Analog Devices
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AD622 Datasheet PDF : 16 Pages
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SPECIFICATIONS
TA = 25°C, VS = ±15 V, and RL = 2 kΩ typical, unless otherwise noted.
Table 1.
Parameter
GAIN
Gain Range
Gain Error1
G=1
G = 10
G = 100
G = 1000
Nonlinearity
G = 1 to 1000
G = 1 to 100
Gain vs. Temperature
VOLTAGE OFFSET
Input Offset, VOSI
Average Temperature Coefficient
Output Offset, VOSO
Average Temperature Coefficient
Offset Referred to Input vs. Supply (PSR)
G=1
G = 10
G = 100
G = 1000
INPUT CURRENT
Input Bias Current
Average Temperature Coefficient
Input Offset Current
Average Temperature Coefficient
INPUT
Input Impedance
Differential
Common Mode
Input Voltage Range2
Over Temperature
Over Temperature
Common-Mode Rejection Ratio
DC to 60 Hz with 1 kΩ Source Imbalance
G=1
G = 10
G = 100
G = 1000
OUTPUT
Output Swing
Over Temperature
Over Temperature
Short Current Circuit
Conditions
G = 1 + (50.5 k/RG)
VOUT = ±10 V
VOUT = ±10 V
RL = 10 kΩ
RL = 2 kΩ
Gain = 1
Gain > 11
Total RTI Error = VOSI + VOSO/G
VS = ±5 V to ±15 V
VS = ±5 V to ±15 V
VS = ±5 V to ±15 V
VS = ±5 V to ±15 V
VS = ±5 V to ±15 V
VS = ±2.6 V to ±5 V
VS = ±5 V to ±18 V
VCM = 0 V to ±10 V
RL = 10 kΩ
VS = ±2.6 V to ±5 V
VS = ±5 V to ±18 V
Rev. D | Page 3 of 16
Min
Typ
1
0.05
0.2
0.2
0.2
10
10
60
600
80
100
95
120
110
140
110
140
2.0
3.0
0.7
2.0
−VS + 1.9
−VS + 2.1
−VS + 1.9
−VS + 2.1
10||2
10||2
66
78
86
98
103
118
103
118
−VS + 1.1
−VS + 1.4
−VS + 1.2
−VS + 1.6
±18
AD622
Max
1000
0.15
0.50
0.50
0.50
10
−50
125
1.0
1500
15
5.0
2.5
Unit
%
%
%
%
ppm
ppm
ppm/°C
ppm/°C
μV
μV/°C
μV
μV/°C
dB
dB
dB
dB
nA
pA/°C
nA
pA/°C
+VS – 1.2
+VS – 1.3
+VS – 1.4
+VS – 1.4
G Ω||pF
GΩ||pF
V
V
V
V
dB
dB
dB
dB
+VS – 1.2 V
+VS – 1.3 V
+VS – 1.4 V
+VS – 1.5 V
mA
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