Datasheet

AD8222
Rev. A | Page 4 of 24
A Grade B Grade
Parameter Conditions Min Typ Max Min Typ Max Unit
REFERENCE INPUT
R
IN
20 20 kΩ
I
IN
V
+IN
, V
−IN
, V
REF
= 0 V 50 60 50 60 μA
Voltage Range −V
S
+V
S
−V
S
+V
S
V
Reference Gain to Output 1 1 V/V
Reference Gain Error 0.01 0.01 %
GAIN G = 1 + (49.4 kΩ/R
G
)
Gain Range 1 10000 1 10000 V/V
Gain Error V
OUT
± 10 V
G = 1 0.05 0.02 %
G = 10 0.3 0.15 %
G = 100 0.3 0.15 %
G = 1000 0.3 0.15 %
Gain Nonlinearity V
OUT
= –10 V to +10 V
G = 1 3 10 1 5 ppm
G = 10 7 20 7 20 ppm
G = 100 7 20 7 20 ppm
Gain vs. Temperature
G = 1 3 10 2 5 ppm/°C
G > 1
2
−50 −50 ppm/°C
INPUT
Input Impedance
Differential 100||2 100||2 GΩ||pF
Common Mode 100||2 100||2 GΩ||pF
Input Operating Voltage Range
3
V
S
= ±2.3 V to ±5 V −V
S
+ 1.9 +V
S
− 1.1 −V
S
+ 1.9 +V
S
− 1.1 V
Over Temperature T
A
= −40°C to +85°C −V
S
+ 2.0 +V
S
− 1.2 −V
S
+ 2.0 +V
S
− 1.2 V
Input Operating Voltage Range
3
V
S
= ±5 V to ±18 V −V
S
+ 1.9 +V
S
− 1.2 −V
S
+ 1.9 +V
S
− 1.2 V
Over Temperature T
A
= −40°C to +85°C −V
S
+ 2.0 +V
S
− 1.2 −V
S
+ 2.0 +V
S
− 1.2 V
OUTPUT R
L
= 10 kΩ
Output Swing V
S
= ±2.3 V to ±5 V −V
S
+ 1.1 +V
S
− 1.2 −V
S
+ 1.1 +V
S
− 1.2 V
Over Temperature T
A
= −40°C to +85°C −V
S
+ 1.4 +V
S
− 1.3 −V
S
+ 1.4 +V
S
− 1.3 V
Output Swing V
S
= ±5 V to ±18 V −V
S
+ 1.2 +V
S
− 1.4 −V
S
+ 1.2 +V
S
− 1.4 V
Over Temperature T
A
= −40°C to +85°C −V
S
+ 1.6 +V
S
− 1.5 −V
S
+ 1.6 +V
S
− 1.5 V
Short-Circuit Current 18 18 mA
POWER SUPPLY
Operating Range V
S
= ±2.3 V to ±18 V ±2.3 ±18 ±2.3 ±18 V
Quiescent Current (per Amplifier) 0.9 1.1 0.9 1.1 mA
Over Temperature T
A
= −40°C to +85°C 1 1.2 1 1.2 mA
TEMPERATURE RANGE
Specified Performance −40 +85 −40 +85 °C
Operational
4
−40 +125 −40 +125 °C
1
Refers to differential configuration shown in Figure 49.
2
Does not include the effects of external resistor, R
G
.
3
One input grounded. G = 1.
4
See the Typical Performance Characteristics section for expected operation between 85°C and 125°C.