AD8221 查看數據表（PDF） - Analog Devices
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AD8221 Datasheet PDF : 24 Pages
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AD8221
Parameter
TEMPERATURE RANGE
Specified Performance
Operating Range4
Conditions
AR Grade
Min
Typ Max
–40
+85
–40
+125
1 Total RTI VOS = (VOSI) + (VOSO/G).
2 Does not include the effects of external resistor RG.
3 One input grounded. G = 1.
4 See Typical Performance Characteristics for expected operation between 85°C to 125°C.
BR Grade
Min
Typ Max
–40
+85
–40
+125
Unit
°C
°C
Table 2.
Parameter
COMMON-MODE REJECTION RATIO (CMRR)
CMRR DC to 60 Hz with 1 kΩ Source Imbalance
G=1
G = 10
G = 100
G = 1000
CMRR at 10 kHz
G=1
G = 10
G = 100
G = 1000
NOISE
Voltage Noise, 1 kHz
Input Voltage Noise, eNI
Output Voltage Noise, eNO
RTI
G=1
G = 10
G = 100 to 1000
Current Noise
VOLTAGE OFFSET1
Input Offset, VOSI
Over Temperature
Average TC
Output Offset, VOSO
Over Temperature
Average TC
Offset RTI vs. Supply (PSR)
G=1
G = 10
G = 100
G = 1000
INPUT CURRENT
Input Bias Current
Over Temperature
Average TC
Input Offset Current
Over Temperature
Average TC
Conditions
Min
VCM = −10 V to +10 V
80
100
120
130
VCM = –10 V to +10 V
80
90
100
100
RTI noise = √eNI2 + (eNO/G)2
VIN+, VIN−, VREF = 0
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 0.1 Hz to 10 Hz
VS = ±5 V to ±15 V
T = −40°C to +85°C
VS = ±5 V to ±15 V
T = −40°C to +85°C
VS = ±2.3 V to ±18 V
90
100
120
120
T = −40°C to +85°C
T = −40°C to +85°C
Rev. C | Page 5 of 24
ARM Grade
Typ
Max
8
75
2
0.5
0.25
40
6
70
135
0.9
600
1.00
9
100
120
140
140
0.5
2
3
3
0.3
1
1.5
3
Unit
dB
dB
dB
dB
dB
dB
dB
dB
nV/√Hz
nV/√Hz
µV p-p
µV p-p
µV p-p
fA/√Hz
pA p-p
µV
µV
µV/°C
µV
mV
µV/°C
dB
dB
dB
dB
nA
nA
pA/°C
nA
nA
pA/°C
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