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AD549 数据表(PDF) 2 Page - Analog Devices

部件名 AD549
功能描述  Ultralow Input Bias Current Operational Amplifier
PDF  12 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD549 数据表(HTML) 2 Page - Analog Devices

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AD549–SPECIFICATIONS
Model
AD549J
AD549K
AD549L
AD549S
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Units
INPUT BIAS CURRENT1
Either Input, VCM = 0 V
150
250
75
100
40
60
75
100
fA
Either Input, VCM = ± 10 V
150
250
75
100
40
60
75
100
fA
Either Input at TMAX,
VCM = 0 V
11
4.2
2.8
420
pA
Offset Current
50
30
20
30
fA
Offset Current at TMAX
2.2
1.3
0.85
125
pA
INPUT OFFSET VOLTAGE
2
Initial Offset
0.5
1.0
0.15
0.25
0.3
0.5
0.3
0.5
mV
Offset at TMAX
1.9
0.4
0.9
2.0
mV
vs. Temperature
10
20
2
5
5
10
10
15
µV/°C
vs. Supply
32
100
10
32
10
32
10
32
µV/V
vs. Supply, TMIN to TMAX
32
100
10
32
10
32
32
50
µV/V
Long-Term Offset Stability
15
15
15
15
µV/Month
INPUT VOLTAGE NOISE
f = 0.1 Hz to 10 Hz
4
4
6
44
µV p-p
f = 10 Hz
90
90
90
90
nV/
√Hz
f = 100 Hz
60
60
60
60
nV/
√Hz
f = 1 kHz
35
35
35
35
nV/
√Hz
f = 10 kHz
35
35
35
35
nV/
√Hz
INPUT CURRENT NOISE
f = 0.1 Hz to 10 Hz
0.7
0.5
0.36
0.5
fA rms
f = 1 kHz
0.22
0.16
0.11
0.16
fA/
√Hz
INPUT IMPEDANCE
Differential
VDIFF = ± 110
13 11013 11013 11013 1
Ω pF
Common Mode
VCM = ± 10
1015 0.8
1015 0.8
1015 0.8
1015 0.8
Ω pF
OPEN-LOOP GAIN
VO @ ± 10 V, RL = 10 k
300
1000
300
1000
300
1000
300
1000
V/mV
VO @ ± 10 V, RL = 10 k,
TMIN to TMAX
300
800
300
800
300
800
300
800
V/mV
VO = ± 10 V, RL = 2 k
100
250
100
250
100
250
100
250
V/mV
VO = ± 10 V, RL = 2 k,
TMIN to TMAX
80
200
80
200
80
200
25
150
V/mV
INPUT VOLTAGE RANGE
Differential
3
±20
±20
±20
±20
V
Common-Mode Voltage
–10
+10
–10
+10
–10
+10
–10
+10
V
Common-Mode Rejection Ratio
V = +10 V, –10 V
80
90
90
100
90
100
90
100
dB
TMIN to TMAX
76
80
80
90
80
90
80
90
dB
OUTPUT CHARACTERISTICS
Voltage @ RL = 10 k,
TMIN to TMAX
–12
+12
–12
+12
–12
+12
–12
+12
V
Voltage @ RL = 2 k,
TMIN to TMAX
–10
+10
–10
+10
–10
+10
–10
+10
V
Short Circuit Current
15
20
35
15
20
35
15
20
35
15
20
35
mA
TMIN to TMAX
9996
mA
Load Capacitance Stability
G = +1
4000
4000
4000
4000
pF
FREQUENCY RESPONSE
Unity Gain, Small Signal
0.7
1.0
0.7
1.0
0.7
1.0
0.7
1.0
MHz
Full Power Response
50
50
50
50
kHz
Slew Rate
2
3
2
3
2
3
2
3
V/
µs
Settling Time, 0.1%
4.5
4.5
4.5
4.5
µs
0.01%
5555
µs
Overload Recovery,
50% Overdrive, G = –1
2222
µs
(@ +25 C and VS = +15 V dc, unless otherwise noted)
REV. A
–2–



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