Part Details for LM124FKB by Texas Instruments
Results Overview of LM124FKB by Texas Instruments
- Distributor Offerings: (4 listings)
- Number of FFF Equivalents: (6 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (4 options)
- 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.
LM124FKB Information
LM124FKB by Texas Instruments is an Operational Amplifier.
Operational Amplifiers 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 LM124FKB
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | IC,OP-AMP,QUAD,BIPOLAR,LLCC,20PIN,CERAMIC | 25 |
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$21.3145 / $22.1671 | Buy Now |
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Quest Components | IC,OP-AMP,QUAD,BIPOLAR,LLCC,20PIN,CERAMIC | 8 |
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$32.3980 / $34.1032 | Buy Now |
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Quest Components | IC,OP-AMP,QUAD,BIPOLAR,LLCC,20PIN,CERAMIC | 1 |
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$33.4242 | Buy Now |
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ComSIT USA | Electronic Component RoHS: Not Compliant |
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RFQ |
Part Details for LM124FKB
LM124FKB CAD Models
LM124FKB Part Data Attributes
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LM124FKB
Texas Instruments
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Datasheet
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LM124FKB
Texas Instruments
Military-grade, quad, 30-V, 1.2-MHz operational amplifier with -55°C to 125°C operation 20-LCCC -55 to 125
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| Pbfree Code | Yes | |
| Rohs Code | No | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | QLCC | |
| Pin Count | 20 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Date Of Intro | 1989-03-01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Amplifier Type | OPERATIONAL AMPLIFIER | |
| Architecture | VOLTAGE-FEEDBACK | |
| Average Bias Current-Max (IIB) | 0.3 µA | |
| Bias Current-Max (IIB) @25C | 0.15 µA | |
| Common-mode Reject Ratio-Min | 70 dB | |
| Common-mode Reject Ratio-Nom | 80 dB | |
| Frequency Compensation | YES | |
| Input Offset Current-Max (IIO) | 0.1 µA | |
| Input Offset Voltage-Max | 5000 µV | |
| JESD-30 Code | S-CQCC-N20 | |
| JESD-609 Code | e0 | |
| Length | 8.89 mm | |
| Low-Bias | YES | |
| Low-Offset | NO | |
| Micropower | YES | |
| Number of Functions | 4 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED | |
| Package Code | QCCN | |
| Package Equivalence Code | LCC20(UNSPEC) | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER | |
| Packing Method | TUBE | |
| Power | NO | |
| Programmable Power | NO | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.83 mm | |
| Slew Rate-Nom | 0.5 V/us | |
| Supply Current-Max | 3 mA | |
| Supply Voltage Limit-Max | 32 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 | 2.54 mm | |
| Terminal Position | QUAD | |
| Unity Gain BW-Nom | 1200 | |
| Voltage Gain-Min | 50000 | |
| Wideband | NO | |
| Width | 8.89 mm |
Alternate Parts for LM124FKB
This table gives cross-reference parts and alternative options found for LM124FKB. 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 LM124FKB, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| 77043022A | National Semiconductor Corporation | Check for Price | IC QUAD OP-AMP, 4000 uV OFFSET-MAX, 1 MHz BAND WIDTH, CQCC20, CERAMIC, LCC-20, Operational Amplifier | LM124FKB vs 77043022A |
| 77043012X | Motorola Semiconductor Products | Check for Price | Operational Amplifier, 4 Func, 5000uV Offset-Max, CQCC20, CERAMIC, LCC-20 | LM124FKB vs 77043012X |
| LM124FK | Texas Instruments | Check for Price | QUAD OP-AMP, 7000uV OFFSET-MAX, 1.2MHz BAND WIDTH, CQCC20, CERAMIC, LCC-20 | LM124FKB vs LM124FK |
| LM124AE/883 | National Semiconductor Corporation | Check for Price | IC QUAD OP-AMP, 4000 uV OFFSET-MAX, 1 MHz BAND WIDTH, CQCC20, CERAMIC, LCC-20, Operational Amplifier | LM124FKB vs LM124AE/883 |
| 77043012X | Texas Instruments | Check for Price | QUAD OP-AMP, 7000uV OFFSET-MAX, 1.2MHz BAND WIDTH, CQCC20, CERAMIC, LCC-20 | LM124FKB vs 77043012X |
| 77043022X | National Semiconductor Corporation | Check for Price | IC QUAD OP-AMP, 7000 uV OFFSET-MAX, CQCC20, CERAMIC, LCC-20, Operational Amplifier | LM124FKB vs 77043022X |
LM124FKB Frequently Asked Questions (FAQ)
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The maximum power dissipation of the LM124FKB is dependent on the package type and ambient temperature. For the TO-5 package, the maximum power dissipation is 500mW at 25°C. However, it's recommended to derate the power dissipation by 6mW/°C above 25°C.
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While the LM124FKB can be used as a comparator, it's not the most suitable choice. The LM124FKB is an op-amp designed for linear applications, and its output stage is not optimized for high-speed switching. Texas Instruments recommends using a dedicated comparator like the LM339 or LM2901 for comparator applications.
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The input impedance of the LM124FKB is typically around 2MΩ, but it can vary depending on the specific application and operating conditions. It's recommended to use an input resistor to match the impedance of the signal source and to reduce noise pickup.
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Yes, the LM124FKB can be used in a single-supply configuration, but it requires careful consideration of the input common-mode range and output voltage swing. The LM124FKB can operate from a single supply voltage as low as 5V, but the input common-mode range is limited to within 2V of the supply rails.
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The slew rate of the LM124FKB is typically around 0.5V/μs, which is relatively slow compared to modern op-amps. This can limit the LM124FKB's ability to handle high-frequency signals or fast transient responses.