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LF257 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - JFET Input Operational Amplifiers - National Semiconductor

भाग संख्या LF257
समारोह JFET Input Operational Amplifiers
मैन्युफैक्चरर्स National Semiconductor 
लोगो National Semiconductor लोगो 
पूर्व दर्शन
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<?=LF257?> डेटा पत्रक पीडीएफ

LF257 pdf
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required, contact the National Semiconductor Sales Office/Distributors for
availability and specifications.
LF155/6
LF256/7/LF356B
LF355/6/7
Supply Voltage
±22V
±22V
±18V
Differential Input Voltage
±40V
±40V
±30V
Input Voltage Range (Note 2)
±20V
±20V
±16V
Output Short Circuit Duration
Continuous
Continuous
Continuous
TJMAX
H-Package
150˚C
115˚C
115˚C
N-Package
100˚C
100˚C
M-Package
100˚C
100˚C
Power Dissipation at TA = 25˚C (Notes
1, 8)
H-Package (Still Air)
560 mW
400 mW
400 mW
H-Package (400 LF/Min Air Flow)
1200 mW
1000 mW
1000 mW
N-Package
670 mW
670 mW
M-Package
380 mW
380 mW
Thermal Resistance (Typical) θJA
H-Package (Still Air)
160˚C/W
160˚C/W
160˚C/W
H-Package (400 LF/Min Air Flow)
65˚C/W
65˚C/W
65˚C/W
N-Package
130˚C/W
130˚C/W
M-Package
195˚C/W
195˚C/W
(Typical) θJC
H-Package
23˚C/W
23˚C/W
23˚C/W
Storage Temperature Range
−65˚C to +150˚C −65˚C to +150˚C −65˚C to +150˚C
Soldering Information (Lead Temp.)
Metal Can Package
Soldering (10 sec.)
300˚C
300˚C
300˚C
Dual-In-Line Package
Soldering (10 sec.)
260˚C
260˚C
260˚C
Small Outline Package
Vapor Phase (60 sec.)
215˚C
215˚C
Infrared (15 sec.)
220˚C
220˚C
See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods of
soldering surface mount devices.
ESD tolerance
(100 pF discharged through 1.5k)
1000V
1000V
1000V
DC Electrical Characteristics
(Note 3)
Symbol
Parameter
Conditions
VOS
VOS/T
TC/VOS
IOS
Input Offset Voltage
Average TC of Input
Offset Voltage
Change in Average TC
with VOS Adjust
Input Offset Current
RS=50, TA=25˚C
Over Temperature
RS=50
RS=50, (Note 4)
TJ=25˚C, (Notes 3, 5)
TJTHIGH
LF155/6
LF256/7
LF356B
LF355/6/7
Min Typ Max Min Typ Max Min Typ Max
35
35
3 10
7 6.5 13
Units
mV
mV
5 5 5 µV/˚C
0.5
3 20
20
0.5
3 20
1
µV/˚C
0.5
per mV
3 50 pA
2 nA
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