Datasheet

Data Sheet AD623
Rev. G | Page 5 of 32
Test Conditions/
Comments
AD623ANZ,
AD623ARZ AD623ARM
AD623BNZ,
AD623BRZ
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
INPUT
Input Impedance
Differential 2||2 2||2 2||2 GΩ||pF
Common-Mode 2||2 2||2 2||2 GΩ||pF
Input Voltage Range
2
V
S
= 3 V to 12 V
(−V
S
) −
0.15
(+V
S
) −
1.5
(−V
S
) −
0.15
(+V
S
) −
1.5
(−V
S
) −
0.15
(+V
S
) −
1.5
V
Common-Mode Rejection
at 60 Hz with 1 kΩ
Source Imbalance
G = 1
Common-mode
voltage (V
CM
) = 0 V
to 3 V
70 80 70 80 77 86 dB
G = 10
V
CM
= 0 V to 3 V
90
100
90
100
94
100
dB
G = 100 V
CM
= 0 V to 3 V 105 110 105 110 105 110 dB
G = 1000 V
CM
= 0 V to 3 V 105 110 105 110 105 110 dB
OUTPUT
Output Swing R
L
= 10 kΩ 0.2
(+V
S
) −
0.5
0.2
(+V
S
) −
0.5
0.2
(+V
S
) −
0.5
V
R
L
= 100 kΩ 0.05
(+V
S
) −
0.15
0.05
(+V
S
) −
0.15
0.05
(+V
S
) −
0.15
V
DYNAMIC RESPONSE
Small Signal −3 dB
Bandwidth
G = 1
800
800
800
kHz
G = 10 100 100 100 kHz
G = 100 10 10 10 kHz
G = 1000 2 2 2 kHz
Slew Rate 0.3 0.3 0.3 V/µs
Settling Time to 0.01% V
S
= 5 V
G = 1 Step size = 3.5 V 30 30 30 µs
G = 10
Step size = 4 V,
V
CM
= 1.8 V
20 20 20 µs
1
Does not include effects of external resistor, R
G
.
2
One input grounded. G = 1.