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NEW OPA991 ACTIVE 40-V, single 4.5MHz, rail-to-rail input/output, low-offset-voltage, low-noise op amp Pin-to-pin upgrade with improved performance: lower Vos(0.75mV) and noise(10nV/√Hz), higher slew rate(21V/us) and output current(75mA)
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Product details

Parameters

Number of channels (#) 1 Total supply voltage (Max) (+5V=5, +/-5V=10) 30 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.2 Rail-to-rail In, Out GBW (Typ) (MHz) 4 Slew rate (Typ) (V/us) 1.25 Vos (offset voltage @ 25 C) (Max) (mV) 6 Iq per channel (Typ) (mA) 0.6 Vn at 1 kHz (Typ) (nV/rtHz) 36 Rating Catalog Operating temperature range (C) -40 to 85 Offset drift (Typ) (uV/C) 2 Features Input bias current (Max) (pA) 200000 CMRR (Typ) (dB) 93 Output current (Typ) (mA) 9.5 Architecture Bipolar open-in-new Find other General-purpose op amps

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 open-in-new Find other General-purpose op amps

Features

  • At VS = 5 V (Typical Unless Otherwise Noted)
  • Tiny, Space-Saving, 5-Pin SOT-23 Package
  • Greater than Rail-to-Rail Input CMVR: −0.25 V to 5.2 V
  • Rail-to-Rail Output Swing: 007 V to 4.93 V
  • Wide Gain-Bandwidth: 4 MHz
  • Low Supply Current: 0.6 mA
  • Wide Supply Range: 1.8 V to 32 V
  • High PSRR: 104 dB
  • High CMRR: 93 dB
  • Excellent Gain: 97 dB

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Description

The LM7301 provides high performance in a wide range of applications. The LM7301 offers greater than rail-to-rail input range, full rail-to-rail output swing, large capacitive load driving ability, and low distortion.

With only 0.6-mA supply current, the 4-MHz gain-bandwidth of this device supports new portable applications where higher power devices unacceptably drain battery life.

The LM7301 can be driven by voltages that exceed both power supply rails, thus eliminating concerns over exceeding the common-mode voltage range. The rail-to-rail output swing capability provides the maximum possible dynamic range at the output. This is particularly important when operating on low supply voltages.

Operating on supplies of 1.8 V to 32 V, the LM7301 is excellent for a very wide range of applications in low power systems.

Placing the amplifier right at the signal source reduces board size and simplifies signal routing. The LM7301 fits easily on low profile PCMCIA cards.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 7
Type Title Date
* Datasheet LM7301 Low Power, 4-MHz GBW, Rail-to-Rail Input-Output Operational Amplifier in SOT-23 Package datasheet (Rev. I) Feb. 22, 2016
Technical articles What is an op amp? Jan. 21, 2020
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
Technical articles Voltage and current sensing in HEV/EV applications Nov. 22, 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Application note Improving Machinery Vibration Analysis Jul. 07, 2006

Design & development

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

Hardware development

EVALUATION BOARD Download
10
Description

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

Features
  • Simplifies prototyping of SMT IC’s
  • Supports 6 common package types
  • Low Cost
EVALUATION BOARD Download
Description
The DIYAMP-EVM is a unique evaluation module (EVM) family that provides engineers and do it yourselfers (DIYers) with real-world amplifier circuits, enabling you to quickly evaluate design concepts and verify simulations. It is available in three industry-standard packages (SC70, SOT23, SOIC) and 12 (...)
Features
  • 3 packages to choose from: SC70-5, SOT23-5 and SOIC-8
  • 12 circuit configurations to choose from: Noninverting, Inverting, Active Filters, Difference Amp, Comparator and more!
  • Dual and single supply configurations
  • PCB designed for High performance: Optimized for each function
  • Multiple interface options (...)
EVALUATION BOARD Download
10
Description

Texas Instruments offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Op Amps that are offered in the 5-/6-pin SOT-23 package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit (...)

Features
  • Accommodates various high-speed Op Amp
  • Allows quick and easy evaluation
  • Serves as reference design to aid in high-speed PCB layout
  • Utilizes surface-mount components
EVALUATION BOARD Download
10
Description

Texas Instruments offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Op Amp that are offered in the 8-Pin SOIC package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit configuration. The (...)

Features
  • Accommodates various high-speed Op Amp
  • Allows quick and easy evaluation
  • Serves as reference design to aid in high-speed PCB layout
  • Utilizes surface-mount components

 

Design tools & simulation

SIMULATION MODEL Download
SNOM206.ZIP (2 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOL 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 (...)
CALCULATION TOOL 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
SOT-23 (DBV) 5 View options

Ordering & quality

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  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

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