AD820
V
S
= ±5 V @ T
A
= 25°C, V
CM
= 0 V, V
OUT
= 0 V, unless otherwise noted.
Table 2.
Parameter
DC PERFORMANCE
Initial Offset
Maximum Offset over Temperature
Offset Drift
Input Bias Current
at T
MAX
Input Offset Current
at T
MAX
Open-Loop Gain
T
MIN
to T
MAX
R
L
= 10 kΩ
T
MIN
to T
MAX
R
L
= 1 kΩ
T
MIN
to T
MAX
NOISE/HARMONIC PERFORMANCE
Input Voltage Noise
0.1 Hz to 10 Hz
f = 10 Hz
f = 100 Hz
f = 1 kHz
f = 10 kHz
Input Current Noise
0.1 Hz to 10 Hz
f = 1 kHz
Harmonic Distortion
f = 10 kHz
DYNAMIC PERFORMANCE
Unity Gain Frequency
Full Power Response
Slew Rate
Settling Time
to 0.1%
to 0.01%
INPUT CHARACTERISTICS
Common-Mode Voltage Range
1
T
MIN
to T
MAX
CMRR
T
MIN
to T
MAX
Input Impedance
Differential
Common Mode
Conditions
Min
AD820A
Typ
0.1
0.5
2
2
0.5
2
0.5
400
400
80
80
20
10
1000
150
30
Max
0.8
1.5
25
5
20
Min
AD820B
Typ
0.3
0.5
2
2
0.5
2
0.5
400
400
80
80
20
10
1000
150
30
Max
0.4
1
10
2.5
10
Unit
mV
mV
μV/°C
pA
nA
pA
nA
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
V
CM
= –5 V to 4 V
V
OUT
= 4 V to –4 V
R
L
= 100 kΩ
2
25
21
16
13
18
0.8
R
L
= 10 kΩ
V
OUT
= ±4.5 V
−93
1.9
105
3
1.4
1.8
−5.2
−5.2
66
66
+4
+4
80
−5.2
−5.2
72
66
2
25
21
16
13
18
0.8
−93
1.8
105
3
1.4
1.8
+4
+4
80
μV p-p
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
fA p-p
fA/√Hz
dB
MHz
kHz
V/μs
μs
μs
V
V
dB
dB
Ω||pF
Ω||pF
V
OUT
p-p = 9 V
V
OUT
= 0 V to ±4.5 V
V
CM
= −5 V to +2 V
10
13
||0.5
10
13
||2.8
10
13
||0.5
10
13
||2.8
Rev. E | Page 5 of 24
AD [ ANALOG DEVICES ]
