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LM139FKB

LM139FKB

LM139FKB

Texas Instruments

4 Channels 100nA Instrumentational OP Amps 0.3μA 20 Pins

SOT-23

LM139FKB Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status ACTIVE (Last Updated: 2 days ago)
Mount Surface Mount
Number of Pins 20
Number of Terminations 20
ECCN Code EAR99
Max Operating Temperature125°C
Min Operating Temperature -55°C
Packing Method TUBE
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 Voltage30V
Min Supply Voltage2V
Nominal Supply Current2mA
Max Supply Current 2mA
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 Voltage15V
Min Dual Supply Voltage 1V
Bias Current-Max (IIB) @25C 0.1μA
Screening Level MIL-STD-883
Height 2.03mm
Length 8.89mm
Width 8.89mm
Thickness 1.83mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Contains Lead
In-Stock:4884 items

LM139FKB Product Details

LM139FKB Overview


Buffer amps of this type are called COMPARATOR-types. The number of terminations is approaching the 20 mark. The total number of pins on linear amplifier is 20. The linear amplifier should be run at 5V at all times, so please keep that in mind when using it. 20 pins are included on the operational amplifiers. As far as the input offset voltage is concerned, linear amplifier rates at 5mV. 106.02dB should be the voltage gain. Op amp ic has 4 channels. A benefit of this op amp ic is that it outputs OPEN-COLLECTOR signals, which is one of the many advantages it has to offer. In order for this buffer op amp to function, it should have a temperature of at least -55°C degrees Celsius. At temperatures greater than 125°C, Instrumentation amplifier should not be used. For the packing of the instrumentation amplifier, TUBE is adopted. The electrical part is capable of being powered by a voltage of under 30V, which means that it can be used with any voltage supply. As a rule of thumb, the supply voltage of the op amp should not be lower than 2V. As a general rule, you should conduct this electronic component under dual supply voltages of 15V volts.

LM139FKB Features


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


LM139FKB Applications


There are a lot of Texas Instruments
LM139FKB Instrumentational OP Amps applications.


  • Subtraction operation circuits
  • single/dual op amp sum and difference circuits
  • Integrator circuits
  • Differentiator circuits
  • Logarithmic operation circuits
  • Exponential operation circuits
  • Multiplication circuits
  • Division circuits
  • Precision measurement
  • Power control

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