Part Details for LM139J by Motorola Mobility LLC
Results Overview of LM139J by Motorola Mobility LLC
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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LM139J Information
LM139J by Motorola Mobility LLC is a Comparator.
Comparators are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM139J | Texas Instruments | Quad Differential Comparator 14-CDIP -55 to 125 | |
| LM139JB | Texas Instruments | Quad Differential Comparator 14-CDIP -55 to 125 | |
| LM139J/883 | Texas Instruments | Low Power Low Offset Voltage Quad Comparator 14-CDIP -55 to 125 |
Part Details for LM139J
LM139J CAD Models
LM139J Part Data Attributes
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LM139J
Motorola Mobility LLC
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Datasheet
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LM139J
Motorola Mobility LLC
QUAD COMPARATOR, 5000uV OFFSET-MAX, 1300ns RESPONSE TIME, CDIP14, CERAMIC, DIP-14
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | MOTOROLA INC | |
| Part Package Code | DIP | |
| Package Description | DIP, DIP14,.3 | |
| Pin Count | 14 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Amplifier Type | COMPARATOR | |
| Average Bias Current-Max (IIB) | 0.1 µA | |
| Input Offset Voltage-Max | 5000 µV | |
| JESD-30 Code | R-GDIP-T14 | |
| JESD-609 Code | e0 | |
| Length | 19.495 mm | |
| Number of Functions | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | CERAMIC, GLASS-SEALED | |
| Package Code | DIP | |
| Package Equivalence Code | DIP14,.3 | |
| Package Shape | RECTANGULAR | |
| Package Style | IN-LINE | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 ns | |
| Seated Height-Max | 5.08 mm | |
| Supply Current-Max | 2 mA | |
| Supply Voltage Limit-Max | 36 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | NO | |
| Technology | BIPOLAR | |
| Temperature Grade | MILITARY | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | DUAL | |
| Width | 7.62 mm |
LM139J Frequently Asked Questions (FAQ)
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The maximum voltage that can be applied to the input pins is the supply voltage (VCC) + 0.3V. Exceeding this voltage can cause damage to the device.
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To ensure a stable output, make sure to decouple the power supply pins (VCC and GND) with a 0.1uF capacitor, and use a pull-up resistor (typically 1kΩ to 10kΩ) on the output pin to a stable voltage reference.
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The minimum input voltage difference required for a valid output is typically around 1-2mV, but this can vary depending on the specific application and noise conditions.
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No, the LM139J is a comparator, not an amplifier or buffer. It is designed to provide a digital output based on the comparison of the input voltages, not to amplify or buffer signals.
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When the input voltages are equal, the output of the comparator will be undefined. To handle this situation, you can add hysteresis to the input signals or use a separate circuit to detect and handle the equality condition.