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Product Detailed Parameters
- Description：PROTOTYPE
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Amplifier Type：General Purpose
- Number of Circuits：4
- Output Type：Push-Pull
- Slew Rate：0.5V/µs
- Gain Bandwidth Product：1.2 MHz
- Current - Input Bias：50 nA
- Voltage - Input Offset：-
- Current - Supply：1.4mA
- Current - Output / Channel：30 mA
- Voltage - Supply Span (Min)：3 V
- Voltage - Supply Span (Max)：32 V
- Operating Temperature：-55°C ~ 125°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：Die
- Supplier Device Package：Die
- -3db Bandwidth：-
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Overview
The LM124A-MD8 is a military-grade, quad operational amplifier manufactured by Texas Instruments. It features a bipolar architecture designed for space and high-reliability applications. The device operates within an extended temperature range of -55°C to 125°C and supports total ionizing dose radiation tolerance up to 100 krad. It provides four independent amplifiers with a typical gain-bandwidth product of 1 MHz and a slew rate of 1 V/µs. The input offset voltage is typically 2 mV at 25°C, ensuring precision in demanding environments.
Feature Summary
- Radiation-hardened design suitable for space applications
- Military-grade reliability with extended temperature operation
- Bipolar architecture for stable performance
- Quad configuration in a single package
Applications
- Spaceborne signal processing systems
- High-reliability aerospace instrumentation
- Military-grade sensor conditioning circuits
- Radiation-tolerant analog control loops
Procurement Notes
Verify availability through authorized distributors as this component may be subject to limited supply or factory special orders. Confirm the specific MD8 suffix denotes the correct military grade and radiation hardness level required for your application before procurement.
Selection Notes
Select this part when radiation tolerance and wide temperature operation are critical. Ensure the bipolar architecture meets your power consumption requirements compared to CMOS alternatives. Verify that the 1 MHz bandwidth and 1 V/µs slew rate satisfy your signal frequency and speed constraints.
Part Context
This component belongs to the LM124 family of low-power quad operational amplifiers. The LM124A variant specifically meets tighter electrical specifications than standard versions. The MD8 suffix indicates a specialized military or space-grade packaging and qualification process distinct from commercial variants.
Replacement Considerations
Official substitutes include other radiation-hardened quad op-amps from Texas Instruments such as the LM124AJ/PB for through-hole military applications. Verify pinout compatibility and radiation specs when considering cross-brand replacements.
