AD845–SPECIFICATIONS
(@ +25 C and
Model
Conditions
INPUT OFFSET VOLTAGE
1
Initial Offset
T
MIN
–T
MAX
Offset Drift
INPUT BIAS CURRENT
Initial
2
15 V dc, unless otherwise noted)
Max
1.5
2.5
20
2
45/75
300
3/6.5
Min
AD845K/B
Typ
Max
0.1
1.5
0.5
0.25
0.4
5.0
1
18/38
100
1.2/2.6
Min
AD845S
Typ
0.25
Max
1.0
2.0
10
2
500
300
20
Units
mV
mV
µV/°C
nA
nA
pA
nA
kΩ
pF
V
V
dB
µV
p-p
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
pA/√Hz
V/mV
V/mV
V/mV
V
mA
Ω
MHz
MHz
ns
%
V/µs
Min
AD845J/A
Typ
0.7
V
CM
= 0 V
T
MIN
–T
MAX
V
CM
= 0 V
T
MIN
–T
MAX
0.75
0.75
INPUT OFFSET CURRENT
Initial
INPUT CHARACTERISTICS
Input Resistance
Input Capacitance
INPUT VOLTAGE RANGE
Differential
Common Mode
Common-Mode Rejection
INPUT VOLTAGE NOISE
25
15
25
10
11
4.0
±
20
+10.5/–13
110
4
80
60
25
18
12
0.1
200
100
70
12.5
50
5
12.8
16
1.75
20
20
100
13.6
500
250
250
125
75
12.5
10
11
4.0
±
20
+10.5/–13
113
4
80
60
25
18
12
0.1
500
250
200
100
50
12.5
50
5
16
1.75
20
20
100
13.6
10
11
4.0
±
20
+10.5/–13
110
4
80
60
25
18
12
0.1
500
250
V
CM
=
±
10 V
0.1 Hz to 10 Hz
f = 10 Hz
f = 100 Hz
f = 1 kHz
f = 10 kHz
f = 100 kHz
f = 1 kHz
V
O
=
±
10 V
R
LOAD
≥
2 kΩ
R
LOAD
≥
500
Ω
T
MIN
–T
MAX
10
86
10
94
10
86
INPUT CURRENT NOISE
OPEN-LOOP GAIN
OUTPUT CHARACTERISTICS
Voltage
R
LOAD
≥
500
Ω
Current
Short Circuit
Output Resistance
Open Loop
FREQUENCY RESPONSE
Small Signal
Full Power Bandwidth
3
Rise Time
Overshoot
Slew Rate
Settling Time
Unity Gain
V
O
=
±
10 V
R
LOAD
= 500
Ω
50
5
16
1.75
20
20
100
80
10 V Step
C
LOAD
= 100 pF
R
LOAD
= 500
Ω
to 0.01%
to 0.1%
f = 4.4 MHz
f = 4.4 MHz
94
94
350
250
0.04
0.02
±
15
350
250
0.04
0.02
±
15
18
4.75
95
500
350
250
0.04
0.02
±
15
4.75
88
110
10
500
ns
ns
%
Degree
V
V
dB
mA
DIFFERENTIAL GAIN
DIFFERENTIAL PHASE
POWER SUPPLY
Rated Performance
Operating Range
Rejection Ratio
Quiescent Current
4.75
V
S
=
±
5 to
±
15 V
88
T
MIN
to T
MAX
18
113
10
12
18
12
110
10
12
NOTES
1
Input offset voltage specifications are guaranteed after 5 minutes of operation at T
A
= +25°C.
2
Bias current specifications are guaranteed maximum at either input after 5 minutes of operation at T
A
= +25°C.
3
FPBW = slew rate/2
π
V peak.
4
“S” grade T
MIN
–T
MAX
are tested with automatic test equipment at T
A
= –55°C and T
A
= +125°C.
All min and max specifications are guaranteed. Specifications shown in
boldface
are tested on all production units at final electrical test. Results from these tests are
used to calculate outgoing quality levels.
Specifications subject to change without notice.
–2–
REV. D
AD [ ANALOG DEVICES ]
