AD8221
AR Grade
Typ
BR Grade
Typ
ARM Grade
Parameter
DYNAMIC RESPONSE
Small Signal –3 dB
Bandwidth
Conditions
Min
Max
Min
Max
Min
Typ
Max
Unit
G = 1
825
562
100
14.7
825
562
100
14.7
825
562
100
14.7
kHz
kHz
kHz
kHz
G = 10
G = 100
G = 1000
Settling Time 0.01%
G = 1 to 100
G = 1000
10 V Step
10 V Step
10
80
10
80
10
80
µs
µs
Settling Time 0.001%
G = 1 to 100
G = 1000
13
110
2
13
110
2
13
110
2
µs
µs
Slew Rate
G = 1
1.5
2
1.5
2
1.5
2
V/µs
V/µs
G = 5–100
2.5
2.5
2.5
GAIN
G = 1 + (49.4 kΩ/RG)
Gain Range
Gain Error
G = 1
1
1000
1
1000
1
1000
V/V
VOUT 10 V
0.03
0.3
0.02
0.15
0.15
0.15
0.1
0.3
0.3
0.3
%
%
%
%
G = 10
G = 100
0.3
G = 1000
0.3
Gain Nonlinearity
G = 1 to 10
G = 100
VOUT = –10 V to +10 V
RL = 10 kΩ
3
10
15
40
95
3
10
15
40
95
5
15
ppm
ppm
ppm
ppm
RL = 10 kΩ
5
5
7
20
G = 1000
RL = 10 kΩ
10
10
10
10
10
15
50
G = 1 to 100
Gain vs. Temperature
G = 1
RL = 2 kΩ
100
3
10
2
5
3
10
ppm/°C
ppm/°C
G > 12
–50
–50
–50
INPUT
Input Impedance
Differential
Common Mode
100||2
100||2
100||2
100||2
100||2
100||2
GΩ||pF
GΩ||pF
V
Input Operating
Voltage Range3
VS = 2.3 V to 5 V
–VS + 1.9
+VS – 1.1
–VS + 1.9
+VS – 1.1
–VS + 1.9
+VS – 1.1
Over Temperature
T = –40°C to +85°C
VS = 5 V to 18 V
–VS + 2.0
–VS + 1.9
+VS – 1.2
+VS – 1.2
–VS + 2.0
–VS + 1.9
+VS – 1.2
+VS – 1.2
–VS + 2.0
–VS + 1.9
+VS – 1.2
+VS – 1.2
V
V
Input Operating
Voltage Range
Over Temperature
OUTPUT
T = –40°C to +85°C
RL = 10 kΩ
–VS + 2.0
+VS – 1.2
–VS + 2.0
+VS – 1.2
–VS + 2.0
+VS – 1.2
V
Output Swing
VS = 2.3 V to 5 V
T = –40°C to +85°C
VS = 5 V to 18 V
T = –40°C to +85°C
–VS + 1.1
–VS + 1.4
–VS + 1.2
–VS + 1.6
+VS – 1.2
+Vs – 1.3
+VS – 1.4
+VS – 1.5
–VS + 1.1
–VS + 1.4
–VS + 1.2
–VS + 1.6
+VS – 1.2
+Vs – 1.3
+VS – 1.4
+VS – 1.5
–VS + 1.1
–VS + 1.4
–VS + 1.2
–VS + 1.6
+VS – 1.2
+Vs – 1.3
+VS – 1.4
+VS – 1.5
V
Over Temperature
Output Swing
V
V
Over Temperature
Short-Circuit Current
TEMPERATURE RANGE
Specified Performance
Operational4
V
18
18
18
mA
–40
–40
+85
–40
–40
+85
–40
–40
+85
°C
°C
+125
+125
+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 Curves for expected operation between 85°C to 125°C.
Rev. A | Page 4 of 20