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LF411

ACTIVE

Single, 36-V, 3-MHz, high slew rate (13-V/µs), 2-mV offset voltage, JFET-input op amp

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TL071H ACTIVE Single, 40-V, 5-MHz, 4-mV offset voltage, 20-V/µs, In to V+ op amp with -40°C to 125°C operation Wider temperature range (-40°C to 125°C), lower quiescent current (0.0937 mA), wider voltage range (4.5 V to 40 V), and improved offset voltage drift
TL081H ACTIVE Single, 40-V, 5.25-MHz, 4-mV offset voltage, 20-V/µs, In to V+ op amp with -40°C to 125°C operation Wider supply range (4.5 V to 40 V), higher GBW (5.25 MHz), faster slew rate (20 V/us), lower power (0.9375 mA), higher output current (26 mA)

LF411

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 7 Rail-to-rail No GBW (typ) (MHz) 3 Slew rate (typ) (V/µs) 13 Vos (offset voltage at 25°C) (max) (mV) 2 Iq per channel (typ) (mA) 2 Vn at 1 kHz (typ) (nV√Hz) 18 Rating Catalog Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 10 Input bias current (max) (pA) 200 CMRR (typ) (dB) 100 Iout (typ) (A) 0.025 Architecture FET Input common mode headroom (to negative supply) (typ) (V) 3.5 Input common mode headroom (to positive supply) (typ) (V) 0.5 Output swing headroom (to negative supply) (typ) (V) 1.5 Output swing headroom (to positive supply) (typ) (V) -1.5
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 7 Rail-to-rail No GBW (typ) (MHz) 3 Slew rate (typ) (V/µs) 13 Vos (offset voltage at 25°C) (max) (mV) 2 Iq per channel (typ) (mA) 2 Vn at 1 kHz (typ) (nV√Hz) 18 Rating Catalog Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 10 Input bias current (max) (pA) 200 CMRR (typ) (dB) 100 Iout (typ) (A) 0.025 Architecture FET Input common mode headroom (to negative supply) (typ) (V) 3.5 Input common mode headroom (to positive supply) (typ) (V) 0.5 Output swing headroom (to negative supply) (typ) (V) 1.5 Output swing headroom (to positive supply) (typ) (V) -1.5
PDIP (P) 8 92.5083 mm² 9.81 x 9.43 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Low Input Bias Current, 50 pA Typ
  • Low Input Noise Current, 0.01 pA/ Hz\ Typ
  • Low Supply Current, 2 mA Typ
  • High Input impedance, 1012 Typ
  • Low Total Harmonic Distortion
  • Low 1/f Noise Corner, 50 Hz Typ
  • Package Options Include Plastic Small-Outline (D) and Standard (P) DIPs
  • Low Input Bias Current, 50 pA Typ
  • Low Input Noise Current, 0.01 pA/ Hz\ Typ
  • Low Supply Current, 2 mA Typ
  • High Input impedance, 1012 Typ
  • Low Total Harmonic Distortion
  • Low 1/f Noise Corner, 50 Hz Typ
  • Package Options Include Plastic Small-Outline (D) and Standard (P) DIPs

This device is a low-cost, high-speed, JFET-input operational amplifier with very low input offset voltage and a maximum input offset voltage drift. It requires low supply current, yet maintains a large gain-bandwidth product and a fast slew rate. In addition, the matched high-voltage JFET input provides very low input bias and offset currents.

The LF411 can be used in applications such as high-speed integrators, digital-to-analog converters, sample-and-hold circuits, and many other circuits.

The LF411C is characterized for operation from 0°C to 70°C. The LF411I is characterized for operation from -40°C to 85°C.

This device is a low-cost, high-speed, JFET-input operational amplifier with very low input offset voltage and a maximum input offset voltage drift. It requires low supply current, yet maintains a large gain-bandwidth product and a fast slew rate. In addition, the matched high-voltage JFET input provides very low input bias and offset currents.

The LF411 can be used in applications such as high-speed integrators, digital-to-analog converters, sample-and-hold circuits, and many other circuits.

The LF411C is characterized for operation from 0°C to 70°C. The LF411I is characterized for operation from -40°C to 85°C.
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Technical documentation

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Type Title Date
* Data sheet JFET-Input Operational Amplifier datasheet (Rev. C) 01 Oct 1997
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note AN-447 Protection Schemes for BI-FET Amplifiers and Switches 02 May 2004
Application note Get Fast Stable Response From Improved Unity-Gain Followers 02 Oct 2002
Application note Get More Power Out of Dual or Quad Op-Amps 02 Oct 2002

Design & development

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Evaluation board

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The amplifier performance development kit (PDK) is an evaluation module (EVM) kit to test common operational amplifier (op amp) parameters and is compatible with most op amps and comparators. The EVM kit offers a main board with several socketed daughtercard options to fit package needs, allowing (...)

User guide: PDF | HTML
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Evaluation board

DIP-ADAPTER-EVM — DIP adapter evaluation module

Speed up your op amp prototyping and testing with the DIP adapter evaluation module (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 (...)

User guide: PDF
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Simulation model

LF411C PSpice Model

SLOJ040.ZIP (0 KB) - PSpice Model
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Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

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 operational-amplifier (...)
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Design tool

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This design inverts the input signal, VIN, and applies a signal gain of 1000 V/V or 60 dB. The inverting amplifier with T-feedback network can be used to obtain a high gain without a small value for R4 or very large values for the feedback resistors.
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Design tool

CIRCUIT060015 — Adjustable reference voltage circuit

This circuit combines an inverting and non-inverting amplifier to make a reference voltage adjustable from the negative of the input voltage up to the input voltage. Gain can be added to increase the maximum negative reference level.
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Design tool

CIRCUIT060074 — High-side current sensing with comparator circuit

This high-side, current sensing solution uses one comparator with a rail-to-rail input common mode range to create an over-current alert (OC-Alert) signal at the comparator output (COMP OUT) if the load current rises above 1 A. The OC-Alert signal in this implementation is active low. So when the (...)
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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 (...)
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Simulation tool

TINA-TI — SPICE-based analog simulation program

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 (...)
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Reference designs

TIPD138 — SPI-programmable, 16-bit 36-V 1-A power supply with integrated current shunt reference design

This verified design provides the theory, component selection, simulation, PCB design, and measurement details for a SPI controlled 36V power supply capable of sourcing 1A.  It also includes an intergrated high-side current shunt accurate to 1% across multiple decades of current load.  (...)
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Schematic: PDF
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PDIP (P) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
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