OPA4991QDRQ1 The Texas Instruments OPA4991-Q1 is a quad, 40V, low-power operational amplifier featuring a 4.5MHz bandwidth and rail-to-rail input/output. It offers low offset voltage and drift, making it suitable for automotive applications.
Mfr Part #:

OPA4991QDRQ1

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments OPA4991-Q1 is a quad, 40V, low-power operational amplifier featuring a 4.5MHz bandwidth and rail-to-rail input/output. It offers low offset voltage and drift, making it suitable for automotive applications.
✓ Total Stock: 100 pcs
$ Price Range: $1.61

OPA4991QDRQ1 Available from 1 distributor

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OPA4991QDRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade

OPA4991QDRQ1 Description

Short technical summary and product information.

The OPA4991-Q1 from Texas Instruments is a high-performance, automotive-qualified operational amplifier designed for demanding applications. This quad-channel amplifier operates with a wide supply voltage range from 2.7V to 40V.

 

Key electrical characteristics include a gain bandwidth product of 4.5MHz and a slew rate of 21V/µs, enabling fast signal processing. It features rail-to-rail input and output swing, providing maximum dynamic range. The amplifier boasts a low offset voltage of 0.895mV (max) at 25°C and a low offset drift of 0.3µV/°C, ensuring precision.

 

Additional features include low noise (10.8nV/√Hz at 1kHz), high common-mode rejection ratio (130dB), and low quiescent current per channel (0.56mA). It is designed to drive high capacitive loads up to 1nF and includes MUX-friendly/comparator inputs. The device is EMI hardened for robust performance in noisy environments.

 

Available in TSSOP, SOT-23-THN, and SOIC packages, the OPA4991-Q1 is AEC-Q100 qualified for automotive applications, operating across a temperature range of -40°C to 125°C.

OPA4991QDRQ1 Quick Information

Product Type: Operational Amplifier
Series: OPA4991-Q1
Canonical Name: Texas Instruments OPA4991-Q1 Operational Amplifier
Subcategory: General-purpose op amps

OPA4991QDRQ1 Compliance

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

OPA4991QDRQ1 Estimated Pricing

Qty Low High
1+ $1.61 $1.61

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

OPA4991QDRQ1 Features

  • Automotive quad 40V low-power operational amplifier.
  • 4.5MHz gain bandwidth product.
  • 21V/µs high slew rate.
  • Rail-to-rail input and output.
  • AEC-Q100 qualified for automotive.

OPA4991QDRQ1 Applications

  • Suitable for automotive applications.
  • Ideal for signal processing circuits.
  • Use in systems requiring wide voltage range.
  • Applications needing low noise performance.
  • High capacitive load driving required.

OPA4991QDRQ1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the OPA4991-Q1?

The OPA4991-Q1 operates with a total supply voltage from 2.7V to 40V.

What is the gain bandwidth product of the OPA4991-Q1?

The typical gain bandwidth product for the OPA4991-Q1 is 4.5MHz.

What is the slew rate of the OPA4991-Q1?

The typical slew rate of the OPA4991-Q1 is 21V/µs.

What is the maximum offset voltage at 25°C for the OPA4991-Q1?

The maximum offset voltage at 25°C for the OPA4991-Q1 is 0.895mV.

What is the typical quiescent current per channel for the OPA4991-Q1?

The typical quiescent current per channel for the OPA4991-Q1 is 0.56mA.

What is the noise voltage density at 1kHz for the OPA4991-Q1?

The typical noise voltage density at 1kHz for the OPA4991-Q1 is 10.8nV/√Hz.

What is the operating temperature range for the OPA4991-Q1?

The OPA4991-Q1 operates in a temperature range of -40°C to 125°C.

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