(V
S
= 0, 3 volts @ T
A
= +25 C, V
CM
= 0 V, V
OUT
= 0.2 V unless otherwise noted)
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
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
T
MIN
to T
MAX
Capacitive Load Drive
POWER SUPPLY
Quiescent Current
Power Supply Rejection
T
MIN
to T
MAX
Conditions
Min
AD820A-3V
Typ
0.2
0.5
1
2
0.5
2
0.5
300
400
60
80
10
8
1000
150
30
Max
1
1.5
25
5
20
AD820
Units
mV
mV
µV/°C
pA
nA
pA
nA
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
µV
p-p
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
fA p-p
fA/√Hz
dB
MHz
kHz
V/µs
µs
µs
2
2
74
10
13
0.5
10
13
2.8
V
V
dB
dB
Ω
pF
Ω
pF
V
CM
= 0 V to +2 V
V
O
= 0.2 V to 2 V
R
L
= 100k
2
25
21
16
13
18
0.8
R
L
= 10k to 1.5 V
V
O
=
±
1.25 V
–92
1.5
240
3
1
1.4
–0.2
–0.2
60
60
V
O
p-p = 2.5 V
V
O
= 0.2 V to 2.5 V
V
CM
= 0 V to +1 V
I
SINK
= 20
µA
I
SOURCE
= 20
µA
I
SINK
= 2 mA
I
SOURCE
= 2 mA
I
SINK
= 10 mA
I
SOURCE
= 10 mA
15
12
18
15
5
10
40
80
200
500
7
10
14
20
55
80
110
160
400
400
1000
1000
25
350
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
pF
µA
dB
dB
T
MIN
to T
MAX
V
S
+ = 3 V to 15 V
70
70
620
80
800
REV. B
–5–
AD [ ANALOG DEVICES ]
