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Product details

Parameters

Number of channels (#) 1 Total supply voltage (Max) (+5V=5, +/-5V=10) 36 Total supply voltage (Min) (+5V=5, +/-5V=10) 4.5 Rail-to-rail In to V-, Out GBW (Typ) (MHz) 10 Slew rate (Typ) (V/us) 20 Vos (offset voltage @ 25 C) (Max) (mV) 3.5 Iq per channel (Typ) (mA) 1.8 Vn at 1 kHz (Typ) (nV/rtHz) 6.5 Rating Catalog Operating temperature range (C) -40 to 125 Offset drift (Typ) (uV/C) 2 Features Input bias current (Max) (pA) 20 CMRR (Typ) (dB) 126 Output current (Typ) (mA) 30 Architecture FET open-in-new Find other General-purpose op amps

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 VSSOP (DGK) 8 15 mm² 3 x 4.9 open-in-new Find other General-purpose op amps

Features

  • Low Supply Current: 2.3mA max
  • Low Offset Drift: 10µV/°C max
  • Low Input Bias Current: 20pA max
  • Very Low 1/f Noise: 250nVPP
  • Low Noise: 6.5nV/√Hz
  • Wide Bandwidth: 10MHz
  • Slew Rate: 20V/µs
  • Input Voltage Range Includes V–
  • Rail-to-Rail Output
  • Single-Supply Operation: 4.5V to 36V
  • Dual-Supply Operation: ±2.25V to ±18V
  • No Phase Reversal
  • MSOP-8, TSSOP Packages
  • APPLICATIONS
    • Battery-Powered Instruments
    • Industrial Controls
    • Medical Instrumentation
    • Photodiode Amplifiers
    • Active Filters
    • Data Acquisition Systems
    • Portable Audio
    • Automatic Test Systems

All other trademarks are the property of their respective owners

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Description

The OPA141, OPA2141, and OPA4141 amplifier family is a series of low-power JFET input amplifiers that feature good drift and low input bias current. The rail-to-rail output swing and input range that includes V– allow designers to take advantage of the low-noise characteristics of JFET amplifiers while also interfacing to modern, single-supply, precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).

The OPA141 achieves 10MHz unity-gain bandwidth and 20V/µs slew rate while consuming only 1.8mA (typ) of quiescent current. It runs on a single 4.5 to 36V supply or dual ±2.25V to ±18V supplies.

All versions are fully specified from –40°C to +125°C for use in the most challenging environments. The OPA141 (single) and OPA2141 (dual) versions are available in both MSOP-8 and SO-8 packages; the OPA4141 (quad) is available in the SO-14 and TSSOP-14 packages.

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Technical documentation

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No results found. Please clear your search and try again. View all 11
Type Title Date
* Datasheet 10MHz, Rail-to-Rail Output, Precision, Low-Noise, JFET Operational Amplifier datasheet (Rev. B) May 02, 2010
Technical articles What is an op amp? Jan. 21, 2020
Application notes MUX-friendly precision operational amplifiers (Rev. A) Feb. 11, 2019
Technical articles Designing tiny microphone circuits with the industry’s smallest op amp Apr. 12, 2018
Technical articles How to lay out a PCB for high-performance, low-side current-sensing designs Feb. 06, 2018
Technical articles Low-side current sensing for high-performance cost-sensitive applications Jan. 22, 2018
More literature The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Application notes Analog Applications Journal 4Q 2014 Oct. 24, 2014
Application notes Distortion and source impedance in JFET-input op amps Oct. 24, 2014
Application notes OPA141, OPA2141, OPA4141 EMI Immunity Performance Oct. 31, 2012
Application notes Compensate Transimpedance Amplifiers Intuitively (Rev. A) Mar. 30, 2005

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
Description

The Universal OPAMPEVM is a series of general purpose blank circuit boards that simplify prototyping circuits for a variety of IC package types. The evaluation module board design allows many different circuits to be constructed easily and quickly. Five models are offered with each targeted for (...)

Design tools & simulation

SIMULATION MODELS Download
SBOM420C.ZIP (10 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SBOM421C.TSC (322 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SBOM494B.ZIP (14 KB) - PSpice Model
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide
CALCULATION TOOLS Download
Analog engineer's calculator
ANALOG-ENGINEER-CALC — The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
Features
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

Ordering & quality

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