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LM139FK

LM139FK

LM139FK

Texas Instruments

4 Channels 100nA Instrumentational OP Amps 0.3μA 20 Pins

SOT-23

LM139FK Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status ACTIVE (Last Updated: 5 days ago)
Mount Surface Mount
Number of Pins 20
PackagingRail/Tube
Number of Terminations 20
ECCN Code EAR99
Max Operating Temperature125°C
Min Operating Temperature -55°C
Terminal Position QUAD
Number of Functions 4
Supply Voltage 5V
Terminal Pitch1.27mm
Pin Count20
Output Type OPEN-COLLECTOR
Power Supplies5V
Temperature GradeMILITARY
Number of Channels 4
Max Supply Voltage36V
Min Supply Voltage2V
Nominal Supply Current2mA
Response Time1.3 μs
Amplifier Type COMPARATOR
Current - Input Bias 100nA
Input Offset Voltage (Vos) 5mV
Voltage Gain 106.02dB
Average Bias Current-Max (IIB) 0.3μA
Max Dual Supply Voltage18V
Min Dual Supply Voltage 1V
Bias Current-Max (IIB) @25C 0.1μA
Height 2.03mm
Length 8.89mm
Width 8.89mm
Thickness 1.83mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Contains Lead
In-Stock:4613 items

LM139FK Product Details

LM139FK Overview


The instrumentation amplifier in this picture is of the COMPARATOR-type. A Rail/Tube case is used for delivering the op amp. During the past two weeks, there have been close to 20 terminations. A total of 20 pins are located on this board. This linear amplifier should be powered by an 5V battery. The op amp ic has an array of 20 pins on it. Op amp rates 5mV as input offset voltage. It is recommended to keep the voltage gain at 106.02dB at all times. On the buffer amps, there are 4 channels that can be used. Buffer amplifier produces OPEN-COLLECTOR signals, which is one of its many benefits. To operate this buffer amplifier, the temperature must not be lower than -55°C. A temperature greater than 125°C should not be used for the operation of this instrumentation amplifier. This electric component can work from a voltage of under 36V as far as supply voltage is concerned. A voltage of 2V or higher is recommended for the linear amplifier's supply voltage. This electrical part should be conducted under the dual supply voltage of 18V volts when you conduct this part.

LM139FK Features


20 Pins
supply voltage of 5V
106.02dB voltage gain
Output Type: OPEN-COLLECTOR


LM139FK Applications


There are a lot of Texas Instruments
LM139FK Instrumentational OP Amps applications.


  • Multiplication circuits
  • Division circuits
  • Precision measurement
  • Power control
  • Information processing
  • Weak signal detection
  • Signal amplification
  • Signal filtering
  • Signal operation
  • Video computer boards

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