Datasheet

AD8223
Rev. 0 | Page 3 of 20
SPECIFICATIONS
SINGLE SUPPLY
T
A
= 25°C, −V
S
= 0 V, +V
S
= +5 V, and R
L
= 10 kΩ to 2.5 V, unless otherwise noted.
Table 2
Parameter
AD8223A AD8223B
Conditions Min Typ Max Min Typ Max Unit
COMMON-MODE REJECTION RATIO
DC to 60 Hz with 1 kΩ Source
Imbalance
V
CM
= 0 V to 3 V
G = 5 80 86 dB
G = 10 86 90 dB
G = 100 90 96 dB
G = 1000 90 96 dB
NOISE V
IN+
= V
IN−
= V
REF
= 0 V
Voltage Noise, 1 kHz
G = 5 50 50 nV/√Hz
G = 1000 30 30 nV/√Hz
RTI, 0.1 Hz to 10 Hz
G = 5 1.0 1.0 μV p-p
G = 1000 0.6 0.6 μV p-p
Current Noise, 1 kHz 70 70 fA/√Hz
0.1 Hz to 10 Hz 1.2 1.2 pA p-p
VOLTAGE OFFSET Total RTI error =
V
OSI
+ V
OSO
/G
Input Offset, V
OSI
250 100 μV
Over Temperature T
A
= −40°C to +85°C 400 160 μV
Average TC T
A
= −40°C to +85°C 2 1 μV/°C
Output Offset, V
OSO
1500 1000 μV
Over Temperature T
A
= −40°C to +85°C 2000 1500 μV
Average TC T
A
= −40°C to +85°C 15 10 μV/°C
Offset Referred to Input vs.
Supply (PSR)
+V
S
= 4 V to 24 V,
−V
S
= 0 V
G = 5 80 86 dB
G = 10 86 90 dB
G = 100 90 96 dB
G = 1000 90 96 dB
INPUT CURRENT
Input Bias Current 5 12 25 5 12 25 nA
Over Temperature T
A
= −40°C to +85°C 5 28 5 28 nA
Average Temperature
Coefficient
T
A
= −40°C to +85°C 50 50 pA/°C
Input Offset Current 0.25 2 0.25 2 nA
Over Temperature T
A
= −40°C to +85°C 2.5 2.5 nA
Average Temperature
Coefficient
T
A
= −40°C to +85°C 5 5 pA/°C
DYNAMIC RESPONSE
Small Signal −3 dB Bandwidth
G = 5 125 125 kHz
G = 10 125 125 kHz
G = 100 50 50 kHz
G = 1000 5 5 kHz
Slew Rate 0.2 0.2 V/μs