AD8222
SPECIFICATIONS
V
S
= ±15 V, V
REF
= 0 V, T
A
= 25°C, G = 1, R
L
= 2 kΩ, unless otherwise noted.
Table 2. Single-Ended and Differential
Output Configuration
Parameter
COMMON-MODE REJECTION
RATIO (CMRR)
CMRR DC to 60 Hz
G=1
G = 10
G = 100
G = 1000
CMRR at 4 kHz
G=1
G = 10
G = 100
G = 1000
CMRR Drift
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 (PER CHANNEL)
Input Bias Current, I
BIAS
Over Temperature
Average TC
Input Offset Current, I
OFFSET
Over Temperature
Average TC
Conditions
V
CM
= –10 V to +10 V
1 kΩ source imbalance
80
100
120
130
80
90
100
100
T
A
= −40°C to +85°C, G = 1
RTI noise = √(e
NI2
+ (e
NO
/G)
2
)
V
+IN
, V
−IN
, V
REF
= 0 V
V
+IN
, V
−IN
, V
REF
= 0 V
f = 0.1 Hz to 10 Hz
2
0.5
0.25
40
6
120
150
0.4
500
0.8
9
90
110
124
130
110
120
130
140
0.5
T
A
= −40°C to +85°C
1
0.2
T
A
= −40°C to +85°C
1
2.0
3.0
1
1.5
94
114
130
140
110
130
140
150
0.2
1
0.1
0.5
1.0
1.5
0.5
0.6
2
0.07
86
106
126
140
80
100
110
110
0.07
dB
dB
dB
dB
dB
dB
dB
dB
μV/V/°C
Min
A Grade
Typ
Max
Min
B Grade
Typ
Max
Unit
8
75
2
0.5
0.25
40
6
8
75
nV/√Hz
nV/√Hz
μV p-p
μV p-p
μV p-p
fA/√Hz
pA p-p
f = 1 kHz
f = 0.1 Hz to 10 Hz
RTI V
OS
= (V
OSI
) + (V
OSO
/G)
V
S
= ±5 V to ±15 V
T
A
= −40°C to +85°C
V
S
= ±5 V to ±15 V
T
A
= −40°C to +85°C
V
S
= ±2.3 V to ±18 V
60
80
0.3
350
0.5
5
μV
μV
μV/°C
μV
mV
μV/°C
dB
dB
dB
dB
nA
nA
pA/°C
nA
nA
pA/°C
Rev. A | Page 3 of 24
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