| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| 5962-87739012X | National Semiconductor Corporation | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 5000ns Response Time, BIPolar, CQCC20 | LM139AFKB vs 5962-87739012X |
| 5962-87739012A | Texas Instruments | Check for Price | Comparator, 4 Func, 2000uV Offset-Max, 1300ns Response Time, BIPolar, CQCC20 | LM139AFKB vs 5962-87739012A |
| 5962-87739012C | Precision Monolithics Inc | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 5000ns Response Time, BIPolar, CQCC20 | LM139AFKB vs 5962-87739012C |
| LM139AE/883 | Texas Instruments | Check for Price | Comparator, 4 Func, 2000uV Offset-Max, 5000ns Response Time, BIPolar, CQCC20 | LM139AFKB vs LM139AE/883 |
| 5962-87739012A | Analog Devices Inc | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 5000ns Response Time, BIPolar, CQCC20 | LM139AFKB vs 5962-87739012A |
| LM139AFK | Texas Instruments | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, CQCC20 | LM139AFKB vs LM139AFK |
| LM139AL | AMD | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, CQCC20 | LM139AFKB vs LM139AL |
| 5962-87739012X | QP Semiconductor | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 5000ns Response Time, BIPolar, CQCC20 | LM139AFKB vs 5962-87739012X |
| 5962-87739012A | QP Semiconductor | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 5000ns Response Time, BIPolar, CQCC20 | LM139AFKB vs 5962-87739012A |
| LM139AFK883B | Texas Instruments | Check for Price | Comparator, 4 Func, 10000uV Offset-Max, 1300ns Response Time, BIPolar, CQCC20 | LM139AFKB vs LM139AFK883B |
Part Details for LM139AFKB by Texas Instruments
Results Overview of LM139AFKB by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM139AFKB Information
LM139AFKB by Texas Instruments 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.
Price & Stock for LM139AFKB
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Quest Components | QUAD COMPARATOR, 4000UV OFFSET-MAX, 1300NS RESPONSE TIME, CQCC20 | 1 |
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$26.0000 | Buy Now |
US Tariff Estimator: LM139AFKB by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LM139AFKB Part Data Attributes
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LM139AFKB
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM139AFKB
Texas Instruments
Comparator, 4 Func, 2000uV Offset-Max, 1300ns Response Time, BIPolar, CQCC20
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | QLCC | |
| Pin Count | 20 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Amplifier Type | Comparator | |
| Average Bias Current-Max (IIB) | 0.025 µA | |
| Bias Current-Max (IIB) @25C | 0.025 µA | |
| Input Offset Voltage-Max | 2000 µV | |
| JESD-30 Code | S-CQCC-N20 | |
| JESD-609 Code | e0 | |
| Length | 8.89 Mm | |
| Number of Functions | 4 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Type | Open-Collector; Open-Drain | |
| Package Body Material | Ceramic, Metal-Sealed Cofired | |
| Package Code | QCCN | |
| Package Equivalence Code | LCC20,.35SQ | |
| Package Shape | Square | |
| Package Style | Chip Carrier | |
| Packing Method | Tube | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 Ns | |
| Screening Level | Mil-Std-883 | |
| Seated Height-Max | 2.03 Mm | |
| Supply Current-Max | 2 Ma | |
| Supply Voltage Limit-Max | 36 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Military | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | No Lead | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Quad | |
| Width | 8.89 Mm |
Alternate Parts for LM139AFKB
This table gives cross-reference parts and alternative options found for LM139AFKB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM139AFKB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
LM139AFKB Frequently Asked Questions (FAQ)
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The LM139AFKB can operate from -40°C to 125°C, making it suitable for a wide range of applications.
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To ensure proper biasing, connect the midpoint of the input voltage range to the VCC/2 point, and use a voltage divider to set the reference voltage. This will ensure optimal performance and minimize errors.
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To minimize noise and ensure optimal performance, use a multi-layer PCB with a solid ground plane, keep the input and output traces short and separate, and use a bypass capacitor between VCC and GND. Additionally, keep the analog and digital grounds separate.
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To minimize EMI and RFI, use a shielded enclosure, keep the LM139AFKB away from high-frequency sources, and use a common-mode choke or ferrite bead on the input lines. Additionally, use a low-pass filter on the output to reduce high-frequency noise.
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To prevent latch-up and ensure proper operation, power up the LM139AFKB in the following sequence: VCC, then input signals, and then output loads. When powering down, reverse the sequence.