AD822
Rev. I | Page 4 of 24
SPECIFICATIONS
VS = 0 V, 5 V @ TA = 25°C, VCM = 0 V, VOUT = 0.2 V, unless otherwise noted.
Table 1.
A Grade
B Grade
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
DC PERFORMANCE
Initial Offset
0.1
0.8
0.1
0.4
mV
Maximum Offset Over Temperature
0.5
1.2
0.5
0.9
mV
Offset Drift
2
μV/°C
Input Bias Current
VCM = 0 V to 4 V
2
25
2
10
pA
At TMAX
0.5
5
0.5
2.5
nA
Input Offset Current
2
20
2
10
pA
At TMAX
0.5
nA
Open-Loop Gain
VOUT = 0.2 V to 4 V
RL = 100 kΩ
500
1000
500
1000
V/mV
TMIN to TMAX
400
V/mV
RL = 10 kΩ
80
150
80
150
V/mV
TMIN to TMAX
80
V/mV
RL = 1 kΩ
15
30
15
30
V/mV
TMIN to TMAX
10
V/mV
NOISE/HARMONIC PERFORMANCE
Input Voltage Noise
f = 0.1 Hz to 10 Hz
2
μV p-p
f = 10 Hz
25
nV/√Hz
f = 100 Hz
21
nV/√Hz
f = 1 kHz
16
nV/√Hz
f = 10 kHz
13
nV/√Hz
Input Current Noise
f = 0.1 Hz to 10 Hz
18
fA p-p
f = 1 kHz
0.8
fA/√Hz
Harmonic Distortion
RL = 10 kΩ to 2.5 V
f = 10 kHz
VOUT = 0.25 V to 4.75 V
93
dB
DYNAMIC PERFORMANCE
Unity-Gain Frequency
1.8
MHz
Full Power Response
VOUT p-p = 4.5 V
210
kHz
Slew Rate
3
V/μs
Settling Time
To 0.1%
VOUT = 0.2 V to 4.5 V
1.4
μs
To 0.01%
VOUT = 0.2 V to 4.5 V
1.8
μs
MATCHING CHARACTERISTICS
Initial Offset
1.0
0.5
mV
Maximum Offset Over Temperature
1.6
1.3
mV
Offset Drift
3
μV/°C
Input Bias Current
20
10
pA
Crosstalk @ f = 1 kHz
RL = 5 kΩ
130
–130
dB
Crosstalk @ f = 100 kHz
RL = 5 kΩ
93
–93
dB
INPUT CHARACTERISTICS
Input Voltage Range1, TMIN to TMAX 0.2
+4
0.2
+4
V
Common-Mode Rejection Ratio (CMRR)
VCM = 0 V to 2 V
66
80
69
80
dB
TMIN to TMAX
VCM = 0 V to 2 V
66
dB