AD620 查看數據表（PDF） - Analog Devices
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AD620 Datasheet PDF : 20 Pages
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AD620
SPECIFICATIONS
Typical @ 25°C, VS = ±15 V, and RL = 2 kΩ, unless otherwise noted.
Table 2.
AD620A
Parameter
Conditions Min
Typ Max
GAIN
Gain Range
Gain Error2
G = 1 + (49.4 kΩ/RG)
1
VOUT = ±10 V
10,000
G=1
0.03 0.10
G = 10
0.15 0.30
G = 100
0.15 0.30
G = 1000
0.40 0.70
Nonlinearity
VOUT = −10 V to +10 V
G = 1–1000
RL = 10 kΩ
10 40
G = 1–100
RL = 2 kΩ
10 95
Gain vs. Temperature
G=1
10
Gain >12
−50
VOLTAGE OFFSET
Input Offset, VOSI
(Total RTI Error = VOSI + VOSO/G)
VS = ±5 V
to ± 15 V
30 125
Overtemperature
VS = ±5 V
185
to ± 15 V
Average TC
VS = ±5 V
to ± 15 V
0.3 1.0
Output Offset, VOSO
Overtemperature
VS = ±15 V
VS = ± 5 V
VS = ±5 V
to ± 15 V
400 1000
1500
2000
Average TC
VS = ±5 V
to ± 15 V
5.0 15
Offset Referred to the
Input vs. Supply (PSR) VS = ±2.3 V
to ±18 V
G=1
80
100
G = 10
95
120
G = 100
110
140
G = 1000
110
140
INPUT CURRENT
Input Bias Current
0.5 2.0
Overtemperature
2.5
Average TC
3.0
Input Offset Current
0.3 1.0
Overtemperature
1.5
Average TC
1.5
INPUT
Input Impedance
Differential
10||2
Common-Mode
Input Voltage Range3
10||2
VS = ±2.3 V −VS + 1.9
to ±5 V
+VS − 1.2
Overtemperature
VS = ± 5 V
to ±18 V
−VS + 2.1
−VS + 1.9
+VS − 1.3
+VS − 1.4
Overtemperature
−VS + 2.1
+VS − 1.4
AD620B
Min
Typ Max
1
10,000
0.01 0.02
0.10 0.15
0.10 0.15
0.35 0.50
10 40
10 95
10
−50
15 50
85
0.1 0.6
200 500
750
1000
2.5 7.0
80
100
100
120
120
140
120
140
0.5 1.0
1.5
3.0
0.3 0.5
0.75
1.5
10||2
10||2
−VS + 1.9
+VS − 1.2
−VS + 2.1
−VS + 1.9
+VS − 1.3
+VS − 1.4
−VS + 2.1
+VS + 2.1
AD620S1
Min
Typ Max
Unit
1
10,000
0.03 0.10
%
0.15 0.30
%
0.15 0.30
%
0.40 0.70
%
10 40
10 95
ppm
ppm
10
ppm/°C
−50
ppm/°C
30 125
225
0.3 1.0
400 1000
1500
2000
5.0 15
μV
μV
μV/°C
μV
μV
μV
μV/°C
80
100
95
120
110
140
110
140
0.5 2
4
8.0
0.3 1.0
2.0
8.0
dB
dB
dB
dB
nA
nA
pA/°C
nA
nA
pA/°C
10||2
10||2
−VS + 1.9
+VS − 1.2
GΩ_pF
GΩ_pF
V
−VS + 2.1
−VS + 1.9
+VS − 1.3 V
+VS − 1.4 V
−VS + 2.3
+VS − 1.4 V
Rev. H | Page 3 of 20
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