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LM397MFX/NOPB The Texas Instruments LM397MFX/NOPB is a single, general-purpose voltage comparator. It features an open-collector output and operates over a wide supply voltage range.
Mfr Part #:

LM397MFX/NOPB

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM397MFX/NOPB is a single, general-purpose voltage comparator. It features an open-collector output and operates over a wide supply voltage range.
✓ Total Stock: 118,136 pcs
$ Price Range: $0.19

LM397MFX/NOPB Available from 4 distributors

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✓ Non-Authorised
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Romaks Technologies ✓
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106,353 pcs
On Request
106353 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
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8,595 pcs
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8595 pcs On Request 1 On Request On Request 21 On Request On Request
Smaxon Electronics ✓
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1,645 pcs
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1645 pcs On Request 1 On Request On Request 20+ On Request On Request
Xingangxin ✓
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1,543 pcs
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1543 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LM397MFX/NOPB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Elements
Operating Temperature
Output Type
Propagation Delay (Max)
Supplier Device Package
Type
Voltage
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LM397MFX/NOPB Description

Short technical summary and product information.

The LM397MFX/NOPB from Texas Instruments is a single, general-purpose voltage comparator designed for versatile applications. It operates from a wide supply voltage range of 5 V to 30 V, making it suitable for various power configurations.

 

Key electrical characteristics include a low typical supply current of 0.3 mA, a fast propagation delay of 440 ns (at 50-mV overdrive), and low input bias and offset currents. The input offset voltage is typically ±2 mV. The comparator features an input common-mode voltage range that includes ground, extending from 0 V to Vs - 1.5 V.

 

The output stage is open-collector, allowing for direct interfacing with TTL, CMOS, and other logic levels through an external pull-up resistor. This provides flexibility in level translation.

 

Packaged in a compact SOT-23-5 (SC-74A, SOT-753) surface-mount package, the LM397MFX/NOPB is designed for industrial operating temperature ranges from -40°C to +85°C.

LM397MFX/NOPB Quick Information

Product Type: Voltage Comparator
Canonical Name: Texas Instruments LM397MFX/NOPB Single General Purpose Voltage Comparator
Subcategory: General Purpose

LM397MFX/NOPB Compliance

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

LM397MFX/NOPB Estimated Pricing

Qty Low High
1+ $0.19 $0.19

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

LM397MFX/NOPB Features

  • Single general-purpose voltage comparator.
  • Wide 5V to 30V supply voltage range.
  • Fast 440ns propagation delay.
  • Low 0.3mA typical supply current.
  • Open-collector output for level translation.

LM397MFX/NOPB Applications

  • General-purpose voltage comparison.
  • Logic level translation circuits.
  • Power supply monitoring.
  • Window comparators.

LM397MFX/NOPB FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating supply voltage range for the LM397MFX/NOPB?

The LM397MFX/NOPB operates from a supply voltage range of 5 V to 30 V.

What is the typical propagation delay of the LM397MFX/NOPB?

The typical propagation delay for the LM397MFX/NOPB is 440 ns with a 50-mV overdrive.

What is the typical supply current for this comparator?

The typical supply current for the LM397MFX/NOPB is 0.3 mA.

What is the operating temperature range for the LM397MFX/NOPB?

The LM397MFX/NOPB has an operating temperature range of -40°C to 85°C.

What type of output does the LM397MFX/NOPB feature?

The LM397MFX/NOPB features an open-collector output.

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