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LM139J

LM139J

LM139J

Rochester Electronics

1300 ns μs Linear Comparators 106.02dB dB 5mV mV Through Hole

SOT-23

LM139J Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Through Hole
Package / Case CDIP
Number of Pins 14
Pbfree Code no
Number of Terminations 14
ECCN Code EAR99
Max Operating Temperature125°C
Min Operating Temperature -55°C
Subcategory Comparator
Technology BIPOLAR
Terminal Position DUAL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Number of Functions 4
Supply Voltage 5V
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count14
Qualification StatusNot Qualified
Output Type OPEN-COLLECTOR
Operating Supply Voltage3V
Temperature GradeMILITARY
Number of Channels 4
Max Supply Voltage30V
Min Supply Voltage2V
Max Supply Current 2mA
Response Time1300 ns
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
Dual Supply Voltage 3V
Height 4.57mm
Length 19.56mm
Width 6.92mm
RoHS StatusNon-RoHS Compliant
In-Stock:2455 items

LM139J Product Details

LM139J Overview


A convenient transport package is provided in CDIP .The comparator has a OPEN-COLLECTOR output.There are 14 terminals on the comparator.The electrical component in this case belongs to the Comparator families.A comparator is capable of completing a variety of demanding tasks when supplied with 5V voltage.As a result, it contains 14 pins.The comparator is equipped with 14 pins.The PCB or other board has a Through Hole for mounting.Electronic comparator is possible for the comparator to malfunction when the current supply exceeds 2mA .Comparator electronics is apparent from the voltage formula that the voltage gain for the part is 106.02dB .An increase in temperature over 125°C is not recommended.Comparator electronics cannot be operated at a temperature lower than -55°C .In the comparator, the maximum supply voltage is 30V .Comparator electronics is possible to operate this comparator wComparator electronicsh a minimum supply voltage of 2V .As a result, 4 channels work together to maintain the quality of the output.A comparator consists of a high-gain COMPARATOR amplifier.The normal operation of the system requires 3V operating voltage.

LM139J Features


OPEN-COLLECTOR output capability
Voltage Gain: 106.02dB
COMPARATOR amplifier


LM139J Applications


There are a lot of Rochester Electronics
LM139J linear comparators applications.


  • Battery management and protection
  • Current and voltage sensing
  • Analog front end
  • Power management
  • Point of load regulators
  • DC/DC and AC/DC power supplies
  • System control and monitoring
  • Wearable Devices
  • Mobile Phones and Tablets
  • Battery-Powered Electronics

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