AD8221
Parameter
TEMPERATURE RANGE
Specified Performance
Operating Range
1
2
Conditions
Min
–40
–40
AR Grade
Typ
Max
+85
+125
Min
–40
–40
BR Grade
Typ
Max
+85
+125
Unit
°C
°C
Total RTI V
OS
= (V
OSI
) + (V
OSO
/G).
Does not include the effects of external resistor R
G
.
3
One input grounded. G = 1.
4
See Typical Performance Characteristics for expected operation between 85°C to 125°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, e
NI
Output Voltage Noise, e
NO
RTI
G=1
G = 10
G = 100 to 1000
Current Noise
VOLTAGE OFFSET
Input Offset, V
OSI
Over Temperature
Average TC
Output Offset, V
OSO
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
V
CM
= −10 V to +10 V
80
100
120
130
V
CM
= –10 V to +10 V
80
90
100
100
RTI noise = √e
NI2
+ (e
NO
/G)
2
V
IN+
, V
IN−
, V
REF
= 0
f = 0.1 Hz to 10 Hz
2
0.5
0.25
40
6
70
135
0.9
600
1.00
9
90
100
120
120
100
120
140
140
0.5
T = −40°C to +85°C
3
0.3
T = −40°C to +85°C
3
Rev. B | Page 5 of 24
Min
ARM Grade
Typ
Max
Unit
dB
dB
dB
dB
dB
dB
dB
dB
8
75
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
f = 1 kHz
f = 0.1 Hz to 10 Hz
V
S
= ±5 V to ±15 V
T = −40°C to +85°C
V
S
= ±5 V to ±15 V
T = −40°C to +85°C
V
S
= ±2.3 V to ±18 V
2
3
1
1.5
nA
nA
pA/°C
nA
nA
pA/°C
AD [ ANALOG DEVICES ]
