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AD645KN 데이터시트(PDF) 2 Page - Analog Devices

부품명 AD645KN
상세설명  Low Noise, Low Drift FET Op Amp
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD645KN 데이터시트(HTML) 2 Page - Analog Devices

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AD645–SPECIFICATIONS
Model
AD645J/A
AD645K/B
AD645C
AD645S
Conditions
1
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Units
INPUT OFFSET VOLTAGE
1
Initial Offset
100
500
50
250
50
250
100
500
µV
Offset
TMIN –TMAX
300
1000
100
400
75
300
500
1500
µV
Drift (Average)
3
10/5
1
5/2
0.5
1
4
10
µV/°C
vs. Supply (PSRR)
90
110
94
110
94
110
90
110
dB
vs. Supply
TMIN –TMAX
100
90
100
90
100
86
95
dB
INPUT BIAS CURRENT
2
Either Input
VCM = 0 V
0.7/1.8
3/5
0.7/1.8 1.5/3
1.8
3
1.8
5
pA
Either Input
@ TMAX
VCM = 0 V
16/115
16/115
115
1800
pA
Either Input
VCM = +10 V
0.8/1.9
0.8/1.9
1.9
1.9
pA
Offset Current
VCM = 0 V
0.1
1.0
0.1
0.5
0.1
0.5
0.1
1.0
pA
Offset Current
@ TMAX
VCM = 0 V
2/6
2/6
6
100
pA
INPUT VOLTAGE NOISE
0.1 to 10 Hz
1.0
3.0
1.0
2.5
1
2
1.0
3.3
µV p-p
f = 10 Hz
20
50
20
40
20
40
20
50
nV/
√Hz
f = 100 Hz
10
30
10
20
10
20
10
30
nV/
√Hz
f = 1 kHz
9
15
9
12
9
12
9
15
nV/
√Hz
f = 10 kHz
8
10
8
10
8
10
8
10
nV/
√Hz
INPUT CURRENT NOISE
f = 0.1 to 10 Hz
11
20
11
15
11
15
11
20
fA p-p
f = 0.1 thru 20 kHz
0.6
1.1
0.6
0.8
0.6
0.8
0.6
1.1
fA/
√Hz
FREQUENCY RESPONSE
Unity Gain, Small Signal
2
2
2
2
MHz
Full Power Response
VO = 20 V p-p
RLOAD = 2 kΩ
16
32
16
32
16
32
16
32
kHz
Slew Rate, Unity Gain
VOUT = 20 V p-p
RLOAD = 2 kΩ
12
12
12
12
V/
µs
SETTLING TIME
3
To 0.1%
6
6
6
6
µs
To 0.01%
8
8
8
8
µs
Overload Recovery
4
50% Overdrive
5
5
5
5
µs
Total Harmonic
f = 1 kHz
Distortion
RLOAD ≥ 2 kΩ
VO = 3 V rms
0.0006
0.0006
0.0006
0.0006
%
INPUT IMPEDANCE
Differential
VDIFF = ± 1 V
10
12 11012 11012 11012 1
Ω pF
Common-Mode
10
14 2.2
10
14 2.2
10
14 2.2
10
14 2.2
Ω pF
INPUT VOLTAGE RANGE
Differential
5
± 20
± 20
± 20
± 20
V
Common-Mode Voltage
± 10
+11, –10.4
± 10
+11, –10.4
± 10
+11, –10.4
± 10
+11, –10.4
V
Over Max Oper. Range
± 10
± 10
± 10
± 10
V
Common-Mode
Rejection Ratio
VCM = ± 10 V
90
110
94
110
94
110
90
110
dB
TMIN–TMAX
100
90
100
90
100
86
100
dB
OPEN-LOOP GAIN
VO =
±10 V
RLOAD ≥ 2 kΩ
114
130
120
130
120
130
114
130
dB
TMIN –TMAX
114
114
110
dB
OUTPUT CHARACTERISTICS
Voltage
RLOAD ≥ 2 kΩ± 10
± 11
± 10
± 11
± 10
± 11
± 10
± 11
V
TMIN –TMAX
± 10
± 10
± 10
± 10
V
Current
VOUT = ± 10 V
± 5
± 10
± 5
± 10
± 5
± 10
± 5
± 10
mA
Short Circuit
± 15
± 15
± 15
± 15
mA
POWER SUPPLY
Rated Performance
± 15
± 15
± 15
± 15
V
Operating Range
± 5
± 18
± 5
± 18
± 5
± 18
± 5
± 18
V
Quiescent Current
3.0
3.5
3.0
3.5
3.0
3.5
3.0
3.5
mA
Transistor Count
# of Transistors
62
62
62
62
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. For higher temperature, the current doubles every 10°C.
3Gain = –1, R
LOAD = 2 kΩ.
4Defined as the time required for the amplifier’s output to return to normal operation after removal of a 50% overload from the amplifier input.
5Defined as the maximum continuous voltage between the inputs such that neither input exceeds
± 10 V from ground.
All min and max specifications are guaranteed.
Specifications subject to change without notice.
REV. B
–2–
(@ +25 C, and
15 V dc, unless otherwise noted)


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