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The LM139AD is a precision quad differential comparator manufactured by Texas Instruments. This device is designed for military-grade applications, offering robust performance across a wide operating temperature range from -55°C to 125°C. It integrates four independent voltage comparators within a single SOIC (D) 14-pin package.
Key electrical specifications include a maximum supply voltage of 38V, an ESD rating of 2 kV (HBM), and a low input offset voltage of 0.37 mV. The comparator also features a low input bias current of 3.5 nA and a fast response time of 1 µs. Its outputs are compatible with TTL, MOS, and CMOS logic families, making it versatile for various interface requirements. The differential input voltage range extends to ±38V, and the common-mode input voltage range includes ground.
| Qty | Low | High |
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| 1+ | $2.58 | $2.58 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The LM139AD operates over a temperature range of -55°C to 125°C.
The LM139AD is available in an SOIC (D) package with 14 pins.
The LM139AD contains four independent voltage comparators.
The maximum supply voltage for the LM139AD is 38V.
The LM139AD has an ESD rating of 2 kV (HBM).
The LM139AD has a response time of 1 µs.