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AD745KR-16 Datasheet(PDF) 2 Page - Analog Devices

Part # AD745KR-16
Description  Ultralow Noise, High Speed, BiFET Op Amp
Download  12 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD745KR-16 Datasheet(HTML) 2 Page - Analog Devices

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REV. D
–2–
AD745–SPECIFICATIONS
(@ +25 C and
15 V dc, unless otherwise noted.)
Model
AD745J
AD745K
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
INPUT OFFSET VOLTAGE
1
Initial Offset
0.25
1.0
0.1
0.5
mV
Initial Offset
TMIN to TMAX
1.5
1.0
mV
vs. Temp.
TMIN to TMAX
22
µV/°C
vs. Supply (PSRR)
12 V to 18 V
2
90
96
100
106
dB
vs. Supply (PSRR)
TMIN to TMAX
88
98
105
dB
INPUT BIAS CURRENT
3
Either Input
VCM = 0 V
150
400
150
250
pA
Either Input
@ TMAX
VCM = 0 V
8.8
5.5
nA
Either Input
VCM = +10 V
250
600
250
400
pA
Either Input, VS =
±5 V
VCM = 0 V
30
200
30
125
pA
INPUT OFFSET CURRENT
VCM = 0 V
40
150
30
75
pA
Offset Current
@ TMAX
VCM = 0 V
2.2
1.1
nA
FREQUENCY RESPONSE
Gain BW, Small Signal
G = –4
20
20
MHz
Full Power Response
VO = 20 V p-p
120
120
kHz
Slew Rate
G = –4
12.5
12.5
V/
µs
Settling Time to 0.01%
5
5
µs
Total Harmonic
f = 1 kHz
Distortion
4
G = –4
0.0002
0.0002
%
INPUT IMPEDANCE
Differential
1
× 1010 20
1
× 1010 20
Ω pF
Common Mode
3
× 1011 18
3
× 1011 18
Ω pF
INPUT VOLTAGE RANGE
Differential
5
±20
± 20
V
Common-Mode Voltage
+13.3, –10.7
+13.3, –10.7
V
Over Max Operating Range
6
–10
+12
–10
+12
V
Common-Mode
Rejection Ratio
VCM =
± 10 V
80
95
90
102
dB
TMIN to TMAX
78
88
dB
INPUT VOLTAGE NOISE
0.1 to 10 Hz
0.38
0.38
1.0
µV p-p
f = 10 Hz
5.5
5.5
10.0
nV/
√Hz
f = 100 Hz
3.6
3.6
6.0
nV/
√Hz
f = 1 kHz
3.2
5.0
3.2
5.0
nV/
√Hz
f = 10 kHz
2.9
4.0
2.9
4.0
nV/
√Hz
INPUT CURRENT NOISE
f = 1 kHz
6.9
6.9
fA/
√Hz
OPEN LOOP GAIN
VO =
±10 V
RLOAD
≥ 2 kΩ
1000
4000
2000
4000
V/mV
TMIN to TMAX
800
1800
V/mV
RLOAD = 600
1200
1200
V/mV
OUTPUT CHARACTERISTICS
Voltage
RLOAD
≥ 600 Ω
+13, –12
+13, –12
V
RLOAD
≥ 600 Ω
+13.6, –12.6
+13.6, –12.6
V
TMIN to TMAX
+12, –10
+12, –10
V
RLOAD
≥ 2 kΩ±12
+13.8, –13.1
+13.8, –13.1
V
Current
Short Circuit
20
40
20
40
mA
POWER SUPPLY
Rated Performance
±15
± 15
V
Operating Range
±4.8
± 18
± 4.8
± 18
V
Quiescent Current
8
10.0
8
10.0
mA
TRANSISTOR COUNT
# of Transistors
50
50
NOTES
1Input offset voltage specifications are guaranteed after five minutes of operations at T
A = 25
°C.
2Test conditions: +V
S = 15 V, –VS = 12 V to 18 V and +VS = 12 V to +18 V, –VS = 15 V.
3Bias current specifications are guaranteed maximum at either input after five minutes of operation at T
A = 25
°C. For higher temperature, the current doubles every 10°C.
4Gain = –4, R
L = 2 k
Ω, C
L = 10 pF.
5Defined as voltage between inputs, such that neither exceeds
± 10 V from common.
6The AD745 does not exhibit an output phase reversal when the negative common-mode limit is exceeded.
All min and max specifications are guaranteed.
Specifications subject to change without notice.
AD745 ELECTRICAL CHARACTERISTICS


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