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AD8422ARMZ-R7 Datasheet(PDF) 6 Page - Analog Devices

Part # AD8422ARMZ-R7
Description  High Performance, Low Power, Rail-to-Rail Precision Instrumentation Amplifier
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD8422ARMZ-R7 Datasheet(HTML) 6 Page - Analog Devices

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Data Sheet
AD8422
SPECIFICATIONS
analog.com
Rev. C | 6 of 28
Table 2. (Continued)
Parameter
Test Conditions/
Comments
AD8422ARMZ
AD8422BRMZ
Unit
Min
Typ
Max
Min
Typ
Max
G = 1
2
2
µV p-p
G = 10
0.5
0.5
µV p-p
G = 100 to 1000
0.15
0.15
µV p-p
Current Noise
f = 1 kHz
90
90
110
fA/√Hz
f = 0.1 Hz to 10 Hz
8
8
pA p-p
VOLTAGE OFFSET2
Input Offset, VOSI
VS = ±2.3 V to ±15 V
70
50
µV
Over Temperature
T = −40°C to +85°C
110
75
µV
Average Temperature Coefficient
0.6
0.4
µV/°C
Output Offset, VOSO
VS = ±2.3 V to ±15 V
300
150
µV
Over Temperature
T = −40°C to +85°C
500
300
µV
Average Temperature Coefficient
5
2
µV/°C
Offset RTI vs. Supply (PSR)
VS = ±2.3 V to ±18 V
G = 1
90
110
100
120
dB
G = 10
110
130
120
140
dB
G = 100
124
150
140
160
dB
G = 1000
130
150
140
160
dB
INPUT CURRENT
Input Bias Current
VS = ±2.3 V to ±15 V
0.5
1
0.2
0.5
nA
Over Temperature
T = −40°C to +85°C
2
1
nA
Average Temperature Coefficient
4
4
pA/°C
Input Offset Current
VS = ±2.3 V to ±15 V
0.2
0.3
0.1
0.15
nA
Over Temperature
T = −40°C to +85°C
0.8
0.3
nA
Average Temperature Coefficient
1
1
pA/°C
REFERENCE INPUT
RIN
20
20
kΩ
IIN
VIN+, VIN−, VREF = 0 V
35
50
35
50
µA
Voltage Range
−VS
+VS
−VS
+VS
V
Gain to Output
1
1
V/V
DYNAMIC RESPONSE
Small Signal −3 dB Bandwidth
G = 1
2200
2200
kHz
G = 10
850
850
kHz
G = 100
120
120
kHz
G = 1000
12
12
kHz
Settling Time 0.01%
10 V step
G = 1
13
13
µs
G = 10
13
13
µs
G = 100
12
12
µs
G = 1000
80
80
µs
Settling Time 0.001%
10 V step
G = 1
15
15
µs
G = 10
15
15
µs
G = 100
15
15
µs
G = 1000
160
160
µs
Slew Rate
G = 1 to 100
0.8
0.8
V/µs
GAIN3
G = 1 + (19.8 kΩ/RG)



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