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AD8221AR Fiches technique(PDF) 3 Page - Analog Devices

No de pièce AD8221AR
Description  Precision Instrumentation Amplifier
Download  20 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD8221AR Fiches technique(HTML) 3 Page - Analog Devices

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AD8221
Rev. A | Page 3 of 20
SPECIFICATIONS
Table 1. VS = ±15 V, VREF = 0 V, TA = +25°C, G = 1, RL = 2 kΩ, unless otherwise noted
AR Grade
BR Grade
ARM Grade
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
COMMON-MODE
REJECTION RATIO (CMRR)
CMRR DC to 60 Hz with
1 kΩ Source Imbalance
VCM = –10 V to +10 V
G = 1
80
90
80
dB
G = 10
100
110
100
dB
G = 100
120
130
120
dB
G = 1000
130
140
130
dB
CMRR at 10 kHz
VCM = –10 V to +10 V
G = 1
80
80
80
dB
G = 10
90
100
90
dB
G = 100
100
110
100
dB
G = 1000
100
110
100
dB
NOISE
RTI noise = √eNI2 + (eNO/G)2
Voltage Noise, 1 kHz
Input Voltage Noise, eNI
VIN+, VIN–, VREF = 0
8
8
8
nV/√Hz
Output Voltage Noise, eNO
75
75
75
nV/√Hz
RTI
f = 0.1 Hz to 10 Hz
G = 1
2
2
2
µV p-p
G = 10
0.5
0.5
0.5
µV p-p
G = 100 to 1000
0.25
0.25
0.25
µV p-p
Current Noise
f = 1 kHz
40
40
40
fA/√Hz
f = 0.1 Hz to 10 Hz
6
6
6
pA p-p
VOLTAGE OFFSET1
Input Offset, VOSI
VS = ±5 V to ±15 V
60
25
70
µV
Over Temperature
T = –40°C to +85°C
86
45
135
µV
Average TC
0.4
0.3
0.9
µV/°C
Output Offset, VOSO
VS = ±5 V to ±15 V
300
200
600
µV
Over Temperature
T = –40°C to +85°C
0.66
0.45
1.00
mV
Average TC
6
5
9
µV/°C
Offset RTI vs. Supply (PSR)
VS = ±2.3 V to ±18 V
G = 1
90
110
94
110
90
100
dB
G = 10
110
120
114
130
100
120
dB
G = 100
124
130
130
140
120
140
dB
G = 1000
130
140
140
150
120
140
dB
INPUT CURRENT
Input Bias Current
0.5
1.5
0.2
0.4
0.5
2
nA
Over Temperature
T = –40°C to +85°C
2.0
1
3
nA
Average TC
1
1
3
pA/°C
Input Offset Current
0.2
0.6
0.1
0.4
0.3
1
nA
Over Temperature
T = –40°C to +85°C
0.8
0.6
1.5
nA
Average TC
1
1
3
pA/°C
REFERENCE INPUT
RIN
20
20
20
kΩ
IIN
VIN+, VIN–, VREF = 0
50
60
50
60
50
60
µA
Voltage Range
–VS
+VS
–VS
+VS
–VS
+VS
V
Gain to Output
1
± 0.0001
1
± 0.0001
1
± 0.0001
V/V
POWER SUPPLY
Operating Range
VS = ±2.3 V to ±18 V
±2.3
±18
±2.3
±18
±2.3
±18
V
Quiescent Current
0.9
1
0.9
1
0.9
1
mA
Over Temperature
T = –40°C to +85°C
1
1.2
1
1.2
1
1.2
mA


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