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OP249 Scheda tecnica(PDF) 3 Page - Analog Devices

Il numero della parte OP249
Spiegazioni elettronici  Precision JFET, High Speed, Dual Operational Amplifier
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
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Data Sheet
OP249
Rev. H | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VS = ±15 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
OP249A
OP249F
Unit
Min
Typ
Max
Min
Typ
Max
Offset Voltage
VOS
VCM = 0 V
0.2
0.75
0.2
0.9
mV
Offset Stability
1.5
1.5
µV/month
Input Bias Current
IB
VCM = 0 V, TA = 25°C
30
75
30
75
pA
Input Offset Current
IOS
VCM = 0 V, TA = 25°C
6
25
6
25
pA
Input Voltage Range1
IVR
12.5
12.5
V
±11
±11
V
−12.5
–12.5
V
Common-Mode Rejection
CMR
VCM = ±11 V
80
90
80
90
dB
Power-Supply Rejection Ratio
PSRR
VS = ± 4.5 V to ±18 V
12
31.6
12
50
µV/V
Large Signal Voltage Gain
AVO
VO = ±10 V, RL = 2 kΩ
1000
1400
500
1200
V/mV
Output Voltage Swing
VO
RL = 2 kΩ
12.5
12.5
V
±12.0
±12.0
V
−12.5
–12.5
V
Short-Circuit Current Limit
ISC
Output shorted to
ground
36
36
mA
±20
±50
±20
±50
mA
−33
–33
mA
Supply Current
ISY
No load, VO = 0 V
5.6
7.0
5.6
7.0
mA
Slew Rate
SR
RL = 2 kΩ, CL = 50 pF
18
22
18
22
V/µs
Gain Bandwidth Product2
GBW
3.5
4.7
3.5
4.7
MHz
Settling Time
tS
10 V step 0.01%3
0.9
1.2
0.9
1.2
µs
Phase Margin
ΘM
0 dB gain
55
55
Degrees
Differential Input Impedance
ZIN
1012||6
1012||6
Ω||pF
Open-Loop Output Resistance
RO
35
35
Voltage Noise
en p-p
0.1 Hz to 10 Hz
2
2
µV p-p
Voltage Noise Density
en
fO = 10 Hz
75
75
nV/√Hz
fO = 100 Hz
26
26
nV/√Hz
fO = 1 kHz
17
17
nV/√Hz
fO = 10 kHz
16
16
nV/√Hz
Current Noise Density
in
fO = 1 kHz
0.003
0.003
pA/√Hz
Voltage Supply Range
VS
±4.5
±15
±18
±4.5
±15
±18
V
1
Guaranteed by CMR test.
2
Guaranteed by design.
3
Settling time is sample tested.


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