Datasheet
AD8428 Data Sheet
Rev. A | Page 4 of 20
Test Conditions/ A Grade B Grade
Parameter Comments Min Typ Max Min Typ Max Unit
FILTER TERMINALS
Input Impedance, R
IN
2
6 6 kΩ
Voltage Range −V
S
+V
S
−V
S
+V
S
V
POWER SUPPLY
Operating Range ±4 ±18 ±4 ±18 V
Quiescent Current 6.5 6.8 6.5 6.8 mA
Over Temperature T
A
= −40°C to +85°C 8 8 mA
1
The differential and common-mode input impedances can be calculated from the pin impedance: Z
DIFF
= 2(Z
PIN
); Z
CM
= Z
PIN
/2.
2
To calculate the actual impedance, see Figure 1.