Datasheet

AD623 Data Sheet
Rev. G | Page 4 of 32
SPECIFICATIONS
SINGLE SUPPLY
Typical at 25°C, single supply, +V
S
= 5 V, −V
S
= 0 V, a n d load resistance (R
L
) = 10 kΩ, unless otherwise noted.
Table 2.
Test Conditions/
Comments
AD623ANZ,
AD623ARZ AD623ARM
AD623BNZ,
AD623BRZ
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
GAIN
G = 1 +
(100 k/external
resistor (R
G
))
Gain Range 1 1000 1 1000 1 1000
Gain Error
1
G1 output voltage
(V
OUT
) = 0.15 V to
3.5 V
G > 1 V
OUT
=
0.15 V to 4.5 V
G = 1 0.03 0.10 0.03 0.10 0.03 0.05 %
G = 10 0.10 0.35 0.10 0.35 0.10 0.35 %
G = 100 0.10 0.35 0.10 0.35 0.10 0.35 %
G = 1000 0.10 0.35 0.10 0.35 0.10 0.35 %
Nonlinearity
G1 V
OUT
=
0.15 V to 3.5 V
G > 1 V
OUT
=
0.15 V to 4.5 V
G = 1 to 1000 50 50 50 ppm
Gain vs. Temperature
G = 1 5 10 5 10 5 10 ppm/°C
G > 1
1
50 50 50 ppm/°C
VOLTAGE OFFSET
Total referred to
input (RTI) error =
V
OSI
+ V
OSO
/G
Input Offset, V
OSI
25 200 200 500 25 100 µV
Over Temperature 350 650 160 µV
Average Temperature
Coefficient (Tempco)
0.1 2 0.1 2 0.1 1 µV/°C
Output Offset, V
OSO
200 1000 500 2000 200 500 µV
Over Temperature 1500 2600 1100 µV
Average Tempco
2.5
10
2.5
10
2.5
10
µV/°C
Offset Referred to the
Input vs. Supply (PSR)
G = 1 80 100 80 100 80 100 dB
G = 10 100 120 100 120 100 120 dB
G = 100 100 130 100 130 100 130 dB
G = 1000 100 130 100 130 100 130 dB
INPUT CURRENT
Input Bias Current 17 25 17 25 17 25 nA
Over Temperature 27.5 27.5 27.5 nA
Average Tempco 25 25 25 pA/°C
Input Offset Current 0.25 2 0.25 2 0.25 2 nA
Over Temperature 2.5 2.5 2.5 nA
Average Tempco 5 5 5 pA/°C