LT1678
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LT1678

Dual/Quad Low Noise, Rail-to-Rail, Precision Op Amps

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LTspice LT6018/LT1678 Demo Circuit - Instrumentation Amplifier Download 3.00KB LTspice LT6018/LT1678 Demo Circuit - Low Impedance Source, High Common Mode Range Amplifier Download 3.00KB LTspice LT1678 - Operational Amplifiers (Op Amps), LTC2642 - Voltage Output D/A Converters Download 2.43 KB LTspice LT1678 - Operational Amplifiers (Op Amps) Download 3.1 KB
Part Models 4
1ku List Price Starting From $3.32
Features
  • Rail-to-Rail Input and Output
  • 100% Tested Low Voltage Noise:
    • 3.9nV/√Hz Typ at 1kHz
    • 5.5nV/√Hz Max at 1kHz
  • Single Supply Operation from 2.5V to 36V
  • Offset Voltage: 100µV Max
  • Low Input Bias Current: 20nA Max
  • High AVOL: 3V/µV Min, RL = 10k
  • High CMRR: 100dB Min
  • High PSRR: 106dB Min
  • Gain Bandwidth Product: 20MHz
  • Operating Temperature Range: –40°C to 85°C
  • Matching Specifications
  • No Phase Inversion
  • 8-Lead SO and 14-Lead SO Packages
Additional Details
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The LT1678/LT1679 are dual/quad rail-to-rail op amps offering both low noise and precision: 3.9nV/√Hz wideband noise, 1/f corner frequency of 4Hz and 90nV peak-to-peak 0.1Hz to 10Hz noise are combined with outstanding precision: 100µV maximum offset voltage, greater than 100dB common mode and power supply rejection and 20MHz gain bandwidth product. The LT1678/LT1679 bring precision as well as low noise to single supply applications as low as 3V. The input range exceeds the power supply by 100mV with no phase inversion while the output can swing to within 170mV of either rail.

The LT1678/LT1679 are offered in the SO-8 and SO-14 packages. A full set of matching specifications are also provided, facilitating their use in matching dependent applications such as a two op amp instrumentation amplifier design. The LT1678/LT1679 are specified for supply voltages of ±15V, single 5V as well as single 3V. For a single amplifier with similiar performance, see the LT1677 data sheet.

Applications

  • Strain Gauge Amplifiers
  • Portable Microphones
  • Battery-Powered Rail-to-Rail Instrumentation
  • Low Noise Signal Processing
  • Microvolt Accuracy Threshold Detection
  • Infrared Detectors
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file View Data Sheet
Documentation View All Documentation
LTspice LT6018/LT1678 Demo Circuit - Instrumentation Amplifier Download 3.00KB LTspice LT6018/LT1678 Demo Circuit - Low Impedance Source, High Common Mode Range Amplifier Download 3.00KB LTspice LT1678 - Operational Amplifiers (Op Amps), LTC2642 - Voltage Output D/A Converters Download 2.43 KB LTspice LT1678 - Operational Amplifiers (Op Amps) Download 3.1 KB
Part Models 4
1ku List Price Starting From $3.32
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LT1678

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Data Sheet

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UPDATED 08/27/2007
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LT1678/LT1679: Dual/Quad Low Noise, Rail-to-Rail, Precision Op Amps Data Sheet

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UPDATED 04/24/2009
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LT1678/LT1679: デュアル／クワッド、低ノイズ、レール・トゥ・レール高精度オペアンプ データシート

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Reliability Data

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UPDATED 03/26/2018
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UPDATED 10/15/2007
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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT1678CS8#PBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
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LT1678CS8#TRPBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
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LT1678IS8#PBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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LT1678IS8#TRPBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
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Oct 12, 2022

- 22_0254

Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)

LT1678CS8#PBF

PRODUCTION

LT1678CS8#TRPBF

PRODUCTION

LT1678IS8#PBF

PRODUCTION

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Jun 11, 2021

- 21_0060

Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM

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PCN21_0060_Form

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PCN

Oct 12, 2022

- 22_0254

arrow down

Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)

LT1678CS8#PBF

PRODUCTION

LT1678CS8#TRPBF

PRODUCTION

LT1678IS8#PBF

PRODUCTION

LT1678IS8#TRPBF

PRODUCTION

pdf

PCN22_0254_Form

external-icon

xls

Material_Report

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pdf

Qualification Results Summary

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xlsm

Delta Qualification Matrix

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Jun 11, 2021

- 21_0060

arrow down

Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM

LT1678CS8#PBF

PRODUCTION

LT1678CS8#TRPBF

PRODUCTION

LT1678IS8#PBF

PRODUCTION

LT1678IS8#TRPBF

PRODUCTION

pdf

PCN21_0060_Form

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xls

Material_Report

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xlsm

Delta Qualification Matrix

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Software & Part Ecosystem

Software & Part Ecosystem

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Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

spice tool Lt Spice

LT6018/LT1678 Demo Circuit - Instrumentation Amplifier Download

3.00K

spice tool Lt Spice

LT6018/LT1678 Demo Circuit - Low Impedance Source, High Common Mode Range Amplifier Download

3.00K

spice tool Lt Spice

LT1678 - Operational Amplifiers (Op Amps), LTC2642 - Voltage Output D/A Converters Download

2.43 K

spice tool Lt Spice

LT1678 - Operational Amplifiers (Op Amps) Download

3.1 K

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