LM139AFKB The Texas Instruments LM139AFKB is a quad differential comparator designed for operation from single or dual power supplies over a wide voltage range. It features low supply current and low input bias current.
Mfr Part #:

LM139AFKB

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM139AFKB is a quad differential comparator designed for operation from single or dual power supplies over a wide voltage range. It features low supply current and low input bias current.
✓ Total Stock: 1,134 pcs
$ Price Range: $33.70

LM139AFKB Available from 3 distributors

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✓ Non-Authorised
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1,125 pcs
1125 pcs On Request 1 On Request On Request 1318+ On Request On Request
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8 pcs
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1 pcs
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LM139AFKB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LM139AFKB Description

Short technical summary and product information.

The LM139AFKB from Texas Instruments is a quad differential comparator IC. It is designed to operate from a single power supply with a wide voltage range from 2 V to 36 V, or from dual supplies ranging from ±1 V to ±18 V. The device exhibits low supply-current drain, which is independent of the supply voltage, typically drawing only 0.8 mA. It also features low input bias current of 25 nA and a low input offset voltage of 2 mV.

 

The common-mode input voltage range includes ground, and the differential input voltage range is equal to the maximum-rated supply voltage of ±36 V. The output saturation voltage is low, and the output is compatible with TTL, MOS, and CMOS logic levels. This comparator is housed in a 20-pin LCCC package and operates within a temperature range of -55°C to 125°C.

 

This part is compliant to MIL-PRF-38535, with all parameters tested unless otherwise noted. For other products, production processing does not necessarily include testing of all parameters. The LM139AFKB is suitable for applications requiring precise voltage comparison across a broad spectrum of operating conditions.

LM139AFKB Quick Information

Product Type: Quad Differential Comparator
Series: LM139
Canonical Name: LM139AFKB Quad Differential Comparator
Subcategory: Quad Differential Comparator

LM139AFKB Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM139AFKB Estimated Pricing

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1+ $33.70 $33.70

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM139AFKB Features

  • Quad independent voltage comparators.
  • Wide single supply range: 2V to 36V.
  • Wide dual supply range: ±1V to ±18V.
  • Low supply current drain: 0.8mA typical.
  • Operates -55°C to 125°C.

LM139AFKB Applications

  • Precision voltage comparison.
  • Wide voltage operation.
  • Low power applications.
  • Military grade applications.

LM139AFKB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the LM139AFKB?

The LM139AFKB operates from -55 to 125 °C.

What is the supply voltage range for the LM139AFKB?

The single supply voltage range is 2 to 36 V. Dual supply range is ±1 to ±18 V.

What package is the LM139AFKB available in?

The LM139AFKB is available in a 20-pin LCCC (FK) package.

What is the typical supply current of the LM139AFKB?

The typical supply current is 0.8 mA, independent of supply voltage.

What is the input bias current of the LM139AFKB?

The typical input bias current is 25 nA.

What is the input offset voltage of the LM139AFKB?

The typical input offset voltage is 2 mV.

What is the differential input voltage range of the LM139AFKB?

The differential input voltage range is ±36 V.

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