Datasheet

AD623 Data Sheet
Rev. G | Page 8 of 32
SPECIFICATIONS COMMON TO DUAL AND SINGLE SUPPLIES
Table 4.
Test Conditions/
Comments
AD623ANZ,
AD623ARZ AD623ARM
AD623BNZ,
AD623BRZ
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
NOISE
Voltage Noise, 1 kHz
Total RTI noise =
√((e
NI
)
2
+ (2e
NO
/
G
)
2
)
Input, Voltage Noise, e
ni
35 35 35 nV/√Hz
Output, Voltage Noise, e
no
50 50 50 nV/√Hz
RTI, 0.1 Hz to 10 Hz
G = 1 3.0 3.0 3.0 µV p-p
G = 1000 1.5 1.5 1.5 µV p-p
Current Noise f = 1 kHz 100 100 100 fA/√Hz
0.1 Hz to 10 Hz 2.5 2.5 2.5 pA p-p
REFERENCE INPUT
Input Resistance, R
IN
100 ±
20%
100 ±
20%
100 ±
20%
kΩ
Input Current, I
IN
Input voltage (V
+IN
)
= 0 V, reference
voltage (V
REF
) = 0 V
50 60 50 60 50 60 µA
Voltage Range
−V
S
+V
S
−V
S
+V
S
−V
S
+V
S
V
Gain to Output
1 ±
0.0002
1 ±
0.0002
1 ±
0.0002
V/V
POWER SUPPLY
Operating Range Dual supply ±2.5 ±6 ±2.5 ±6 ±2.5 ±6 V
Single supply 2.7 12 2.7 12 2.7 12 V
Quiescent Current Dual supply 375 550 375 550 375 550 µA
Single supply 305 480 305 480 305 480 µA
Over Temperature 625 625 625 µA
TEMPERATURE RANGE
For Specified Performance −40 +85 −40 +85 −40 +85 °C