AD812A
Model
Conditions
V
S
Min
Typ
Max
Units
DC PERFORMANCE
Input Offset Voltage
+5 V, +3 V
1.5
4.5
mV
T
MIN –TMAX
7.0
mV
Offset Drift
+5 V, +3 V
7
V/°C
–Input Bias Current
+5 V, +3 V
2
20
A
T
MIN –TMAX
30
A
+Input Bias Current
+5 V, +3 V
0.2
1.5
A
T
MIN –TMAX
2.0
A
Open-Loop Voltage Gain
V
O = +2.5 V p-p
+5 V
67
73
dB
V
O = +0.7 V p-p
+3 V
70
dB
Open-Loop Transresistance
V
O = +2.5 V p-p
+5 V
250
400
k
V
O = +0.7 V p-p
+3 V
300
k
INPUT CHARACTERISTICS
Input Resistance
+Input
+5 V
15
M
–Input
+5 V
90
Input Capacitance
+Input
2
pF
Input Common Mode
+5 V
1.0
4.0
V
Voltage Range
+3 V
1.0
2.0
V
Common-Mode Rejection Ratio
Input Offset Voltage
V
CM = 1.25 V to 3.75 V
+5 V
52
55
dB
–Input Current
35.5
A/V
+Input Current
0.1
0.2
A/V
Input Offset Voltage
V
CM = 1 V to 2 V
+3 V
52
dB
–Input Current
3.5
A/V
+Input Current
0.1
A/V
OUTPUT CHARACTERISTICS
Output Voltage Swing p-p
R
L = 1 k, TMIN –TMAX
+5 V
3.0
3.2
V p-p
R
L = 150 , TMIN –TMAX
+5 V
2.8
3.1
V p-p
+3 V
1.0
1.3
V p-p
Output Current
+5 V
20
30
mA
+3 V
15
25
mA
Short Circuit Current
G = +2, R
F = 715
+5 V
40
mA
V
IN = 1 V
MATCHING CHARACTERISTICS
Dynamic
Crosstalk
G = +2, f = 5 MHz
+5 V, +3 V
–72
dB
Gain Flatness Match
G = +2, f = 20 MHz
+5 V, +3 V
0.1
dB
DC
Input offset Voltage
T
MIN –TMAX
+5 V, +3 V
0.5
3.5
mV
–Input Bias Current
T
MIN –TMAX
+5 V, +3 V
2
25
A
POWER SUPPLY
Operating Range
2.4
36
V
Quiescent Current
Per Amplifier
+5 V
3.2
4.0
mA
+3 V
3.0
3.5
mA
T
MIN –TMAX
+5 V
4.5
mA
Power Supply Rejection Ratio
Input Offset Voltage
V
S = +3 V to +30 V
70
80
dB
–Input Current
0.3
0.6
A/V
+Input Current
0.005
0.05
A/V
TRANSISTOR COUNT
56
NOTES
1Slew rate measurement is based on 10% to 90% rise time in the specified closed-loop gain.
2Single supply differential gain and phase are measured with the ac coupled circuit of Figure 53.
Specifications subject to change without notice.
AD812–SPECIFICATIONS
Single Supply (Continued)
REV. B
–4–