Datasheet

Data Sheet AD8422
Rev. 0 | Page 7 of 24
Test Conditions/
Comments
AD8422ARMZ AD8422BRMZ
Parameter Min Typ Max Min Typ Max Unit
INPUT
Input Impedance
Differential 200||2 200||2 GΩ||pF
Common Mode 200||2 200||2 GΩ||pF
Input Operating Voltage Range
4
V
S
= ±1.8 V to ±18 V −V
S
+ 1.2 +V
S
− 1.1 −V
S
+ 1.2 +V
S
− 1.1 V
Over Temperature T = −40°C to +85°C −V
S
+ 1.2 +V
S
− 1.2 −V
S
+ 1.2 +V
S
− 1.2 V
OUTPUT
Output Swing, R
L
= 10 kΩ V
S
= ±15 V −V
S
+ 0.2 +V
S
− 0.2 −V
S
+ 0.2 +V
S
− 0.2 V
Over Temperature T = −40°C to +85°C −V
S
+ 0.25 +V
S
− 0.25 −V
S
+ 0.25 +V
S
− 0.25 V
Output Swing, R
L
= 10 kΩ
V
S
= ±1.8 V
−V
S
+ 0.12
+V
S
− 0.12
−V
S
+ 0.12
+V
S
− 0.12
V
Over Temperature T = −40°C to +85°C −V
S
+ 0.13 +V
S
− 0.13 −V
S
+ 0.13 +V
S
− 0.13 V
Output Swing, R
L
= 2 kΩ V
S
= ±15 V −V
S
+ 0.25 +V
S
− 0.25 −V
S
+ 0.25 +V
S
− 0.25 V
Over Temperature
5
T = −40°C to +85°C −V
S
+ 0.3 +V
S
– 1.4 −V
S
+ 0.3 +V
S
– 1.4 V
Output Swing, R
L
= 2 kΩ V
S
= ±1.8 V −V
S
+ 0.15 +V
S
− 0.15 −V
S
+ 0.15 +V
S
− 0.15 V
Over Temperature T = −40°C to +85°C −V
S
+ 0.2 +V
S
− 0.2 −V
S
+ 0.2 +V
S
− 0.2 V
Short-Circuit Current 20 20 mA
POWER SUPPLY
Operating Range Dual-supply operation ±1.8 ±18 ±1.8 ±18 V
Single-supply operation
3.6
36
3.6
36
V
Quiescent Current 300 330 300 330 µA
Over Temperature T = −40°C to +85°C 400 400 µA
TEMPERATURE RANGE
Specified Performance –40 +85 –40 +85 °C
Operating Range
6
–40 +125 –40 +125 °C
1
Total RTI Noise = √
e
NI
2
+ (e
NO
/G)
2
2
Total RTI V
OS
= (V
OSI
) + (V
OSO
/G).
3
Gain does not include the effects of the external resistor, R
G
.
4
One input grounded. G = 1.
5
Output current limited at cold temperatures. See Figure 35.
6
See Typical Performance Characteristics for expected operation between 85°C and 125°C.