OPA743NA/3K The Texas Instruments OPA743NA/3K is a single-channel, 7MHz operational amplifier with rail-to-rail input and output. It operates over a wide supply voltage range from 3.5V to 12V.
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OPA743NA/3K

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments OPA743NA/3K is a single-channel, 7MHz operational amplifier with rail-to-rail input and output. It operates over a wide supply voltage range from 3.5V to 12V.
✓ Total Stock: 7,473 pcs
$ Price Range: $1.30

OPA743NA/3K Available from 1 distributor

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7,473 pcs
7473 pcs On Request 1 On Request On Request 10+ On Request On Request

OPA743NA/3K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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OPA743NA/3K Description

Short technical summary and product information.

The OPA743NA/3K from Texas Instruments is a single-channel operational amplifier designed for high-speed applications. It features a 7MHz gain-bandwidth product and a 10V/µs slew rate, making it suitable for various signal processing tasks.

 

This CMOS amplifier boasts rail-to-rail input and output capabilities, allowing for maximum dynamic range. It operates from a wide supply voltage range, supporting single supplies from 3.5V to 12V. The device offers a typical quiescent current of 1.1mA per channel and a low input voltage noise of 30nV/√Hz at 1kHz.

 

Key electrical characteristics include a maximum offset voltage of 7mV at 25°C and an offset drift of 8µV/°C. The input bias current is a maximum of 10pA, and the common-mode rejection ratio is typically 84dB. The output current capability is typically 0.03A.

 

The OPA743NA/3K is available in SOT-23 and SOIC packages, both designed for surface mounting. It operates within an industrial temperature range of -40°C to 85°C.

OPA743NA/3K Quick Information

Product Type: Operational Amplifier
Canonical Name: OPA743NA/3K Single 12-V 7-MHz Operational Amplifier
Subcategory: Comparators

OPA743NA/3K Compliance

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

OPA743NA/3K Estimated Pricing

Qty Low High
1+ $1.30 $1.30

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

OPA743NA/3K Features

  • Single channel 7MHz operational amplifier
  • Rail-to-rail input and output
  • Wide 3.5V to 12V supply range
  • Low 30nV/√Hz voltage noise
  • CMOS architecture for efficiency

OPA743NA/3K Applications

  • Suitable for general-purpose amplification
  • Ideal for signal conditioning circuits
  • Used in battery-powered devices
  • Effective in systems with wide voltage swings

OPA743NA/3K FAQs

7 frequently asked questions generated from this part’s specifications.
What is the gain-bandwidth product of the OPA743NA/3K?

The typical gain-bandwidth product is 7MHz.

What is the slew rate of the OPA743NA/3K?

The typical slew rate is 10V/µs.

What is the operating supply voltage range for the OPA743NA/3K?

The total supply voltage range is from 3.5V to 12V.

Does the OPA743NA/3K have rail-to-rail input and output?

Yes, it features rail-to-rail input to V- and rail-to-rail output.

What is the maximum offset voltage at 25°C for this op amp?

The maximum offset voltage at 25°C is 7mV.

What is the operating temperature range of the OPA743NA/3K?

The operating temperature range is -40°C to 85°C.

What package types are available for the OPA743NA/3K?

It is available in SOT-23 and SOIC packages.

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