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AD845 数据表(PDF) 2 Page - Analog Devices

部件名 AD845
功能描述  Precision, 16 MHz CBFET Op Amp
Download  8 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD845 数据表(HTML) 2 Page - Analog Devices

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AD845–SPECIFICATIONS
REV. D
–2–
(@ +25 C and
15 V dc, unless otherwise noted)
Model
AD845J/A
AD845K/B
AD845S
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Units
INPUT OFFSET VOLTAGE
1
Initial Offset
0.7
1.5
0.1
0.25
0.25
1.0
mV
TMIN–TMAX
2.5
0.4
2.0
mV
Offset Drift
20
1.5
5.0
10
µV/°C
INPUT BIAS CURRENT2
Initial
VCM = 0 V
0.75
2
0.5
1
0.75
2
nA
TMIN–TMAX
45/75
18/38
500
nA
INPUT OFFSET CURRENT
Initial
VCM = 0 V
25
300
15
100
25
300
pA
TMIN–TMAX
3/6.5
1.2/2.6
20
nA
INPUT CHARACTERISTICS
Input Resistance
10
11
10
11
10
11
k
Input Capacitance
4.0
4.0
4.0
pF
INPUT VOLTAGE RANGE
Differential
±20
±20
±20
V
Common Mode
10
+10.5/–13
10
+10.5/–13
10
+10.5/–13
V
Common-Mode Rejection
VCM = ± 10 V
86
110
94
113
86
110
dB
INPUT VOLTAGE NOISE
0.1 Hz to 10 Hz
4
4
4
µV p-p
f = 10 Hz
80
80
80
nV/
√Hz
f = 100 Hz
60
60
60
nV/
√Hz
f = 1 kHz
25
25
25
nV/
√Hz
f = 10 kHz
18
18
18
nV/
√Hz
f = 100 kHz
12
12
12
nV/
√Hz
INPUT CURRENT NOISE
f = 1 kHz
0.1
0.1
0.1
pA/
√Hz
OPEN-LOOP GAIN
VO = ± 10 V
RLOAD ≥ 2 kΩ
200
500
250
500
200
500
V/mV
RLOAD ≥ 500 Ω
100
250
125
250
100
250
V/mV
TMIN–TMAX
70
75
50
V/mV
OUTPUT CHARACTERISTICS
Voltage
RLOAD ≥ 500 Ω
12.5
12.5
12.5
V
Current
Short Circuit
50
50
50
mA
Output Resistance
Open Loop
5
5
5
FREQUENCY RESPONSE
Small Signal
Unity Gain
12.8
16
13.6
16
13.6
16
MHz
Full Power Bandwidth
3
VO = ± 10 V
RLOAD = 500 Ω
1.75
1.75
1.75
MHz
Rise Time
20
20
20
ns
Overshoot
20
20
20
%
Slew Rate
80
100
94
100
94
100
V/
µs
Settling Time
10 V Step
CLOAD = 100 pF
RLOAD = 500 Ω
to 0.01%
350
350
500
350
500
ns
to 0.1%
250
250
250
ns
DIFFERENTIAL GAIN
f = 4.4 MHz
0.04
0.04
0.04
%
DIFFERENTIAL PHASE
f = 4.4 MHz
0.02
0.02
0.02
Degree
POWER SUPPLY
Rated Performance
±15
±15
±15
V
Operating Range
4.75
18
4.75
18
4.75
18
V
Rejection Ratio
VS = ± 5 to ± 15 V 88
110
95
113
88
110
dB
Quiescent Current
TMIN to TMAX
10
12
10
12
10
12
mA
NOTES
1Input offset voltage specifications are guaranteed after 5 minutes of operation at T
A = +25°C.
2Bias current specifications are guaranteed maximum at either input after 5 minutes of operation at T
A = +25°C.
3FPBW = slew rate/2
π V peak.
4“S” grade T
MIN–TMAX are tested with automatic test equipment at TA = –55°C and TA = +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.


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