AD820–SPECIFICATIONS
(V = 0, 5 volts @ T = +25 C, V
S
A
CM
= 0 V, V
OUT
= 0.2 V unless otherwise noted)
Min
AD820B
Typ
Max
0.1
0.5
2
2
0.5
2
0.5
500
400
80
80
15
10
1000
150
30
0.4
0.9
10
2.5
10
Units
mV
mV
µV/°C
pA
nA
pA
nA
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
Parameter
DC PERFORMANCE
Initial Offset
Max 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
Conditions
Min
AD820A
Typ
Max
0.1
0.5
2
2
0.5
2
0.5
0.8
1.2
25
5
20
V
O
= 0 V to 4 V
V
O
= 0.2 V to 4 V
R
L
= 100k
R
L
= 10k
T
MIN
to T
MAX
R
L
= 1k
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
OUTPUT CHARACTERISTICS
Output Saturation Voltage
2
V
OL
–V
EE
T
MIN
to T
MAX
V
CC
–V
OH
T
MIN
to T
MAX
V
OL
–V
EE
T
MIN
to T
MAX
V
CC
–V
OH
T
MIN
to T
MAX
V
OL
–V
EE
T
MIN
to T
MAX
V
CC
–V
OH
T
MIN
to T
MAX
Operating Output Current
T
MIN
to T
MAX
Short Circuit Current
Capacitive Load Drive
POWER SUPPLY
Quiescent Current
Power Supply Rejection
T
MIN
to T
MAX
400
400
80
80
15
10
1000
150
30
2
25
21
16
13
18
0.8
R
L
= 10k to 2.5 V
V
O
= 0.25 V to 4.75 V
–93
1.8
210
3
1.4
1.8
–0.2
–0.2
66
66
4
4
80
10
13
0.5
10
13
2.8
–0.2
–0.2
72
66
2
25
21
16
13
18
0.8
–93
1.8
210
3
1.4
1.8
4
4
80
10
13
0.5
10
13
2.8
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
O
p-p = 4.5 V
V
O
= 0.2 V to 4.5 V
V
CM
= 0 V to +2 V
I
SINK
= 20
µA
I
SOURCE
= 20
µA
I
SINK
= 2 mA
I
SOURCE
= 2 mA
I
SINK
= 15 mA
I
SOURCE
= 15 mA
15
12
5
10
40
80
300
800
7
10
14
20
55
80
110
160
500
1000
1500
1900
15
12
5
10
40
80
300
800
7
10
14
20
55
80
110
160
500
1000
1500
1900
25
350
T
MIN
to T
MAX
V
S
+ = 5 V to 15 V
620
80
800
66
66
25
350
620
80
800
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
pF
µA
dB
dB
70
70
–2–
REV. B
AD [ ANALOG DEVICES ]
