LT3092
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LT3092

200mA 2-Terminal Programmable Current Source

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file View Data Sheet (Rev.D)
Documentation View All Documentation
LTspice LT3081/LT8612/LTC3632/LT3092 Demo Circuit - Constant Voltage, Constant Current Bench Supply (10-40V to 0-25V @ 0-3.1A) Download 9.00KB LTspice LT3092 Demo Circuit - 200mA 2-Terminal Programmable Current Source (36V to 200mA) Download 1.00KB LTspice LT3092 - Power Management Download 0.71 KB
Part Models 18
1ku List Price Starting From $2.00
Features
  • Programmable 2-Terminal Current Source
  • Maximum Output Current: 200mA
  • Wide Input Voltage Range: 1.2V to 40V
  • Input/Output Capacitors Not Required
  • Resistor Ratio Sets Output Current
  • Initial Set Pin Current Accuracy: 1%
  • Reverse-Voltage Protection
  • Reverse-Current Protection
  • <0.001%/V Line Regulation Typical
  • Current Limit and Thermal Shutdown Protection
  • Available in 8-Lead SOT-23, 3-Lead SOT-223 and 8-Lead 3mm × 3mm DFN Packages
Additional Details
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The LT3092 is a programmable 2-terminal current source. It requires only two resistors to set an output current between 0.5mA and 200mA. A multitude of analog techniques lend themselves to actively programming the output current. The LT3092 is stable without input and output capacitors, offering high DC and AC impedance. This feature allows operation in intrinsically safe applications.

The SET pin features 1% initial accuracy and low temperature coefficient. Current regulation is better than 10ppm/V from 1.5V to 40V.

The LT3092 can operate in a 2-terminal current source configuration in series with signal lines. It is ideal for driving sensors, remote supplies, and as a precision current limiter for local supplies.

Internal protection circuitry includes reverse-battery and reverse-current protection, current limiting and thermal limiting. The LT3092 is offered in the 8-lead TSOT-23, 3-lead SOT-223 and 8-lead 3mm × 3mm DFN packages.

Applications

  • 2-Terminal Floating Current Source
  • GND Referred Current Source
  • Variable Current Source
  • In-Line Limiter
  • Intrinsic Safety Circuits
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file View Data Sheet (Rev.D)
Documentation View All Documentation
LTspice LT3081/LT8612/LTC3632/LT3092 Demo Circuit - Constant Voltage, Constant Current Bench Supply (10-40V to 0-25V @ 0-3.1A) Download 9.00KB LTspice LT3092 Demo Circuit - 200mA 2-Terminal Programmable Current Source (36V to 200mA) Download 1.00KB LTspice LT3092 - Power Management Download 0.71 KB
Part Models 18
1ku List Price Starting From $2.00
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LT3092

Documentation

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Data Sheet

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UPDATED 02/23/2017
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LT3092: 200mA 2-Terminal Programmable Current Source Data Sheet (Rev.D)

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0.98 M
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UPDATED 10/19/2016
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LT3092: プログラム可能な200mA 2端子電流源 データシート

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2.00M
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User Guide

2

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UPDATED 05/22/2014
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DC2132A - Demo Manual redirect icon

546.00K

download

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PDF

UPDATED 10/22/2009
English
DC1531A - Demo Manual redirect icon

425.00K

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Technical Articles

10

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PDF

UPDATED 07/07/2009
English
Monolithic Programmable Constant Current Source Is A New Basic Building Block - Electronic Design May 2009 redirect icon

1.00M

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UPDATED 07/07/2009
English
2-Terminal Current Source Boasts High Accuracy, Programmability and Stability - Power Electronics Technology May 2009 redirect icon

278.00K

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UPDATED 07/07/2009
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Solving Current Source Design Challenges - PSDNA March/April 2009 redirect icon

962.00K

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UPDATED 10/21/2021
English
Condition Monitoring System Design Choices and Their Impact on Signal Chain Implementation redirect icon

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UPDATED 10/21/2021
Chinese
状态监控系统设计选项及其对信号链实施方案的影响 redirect icon

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UPDATED 10/21/2021
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状態監視システムの設計時に求められる選択、その結果がシグナル・チェーンの実装に及ぼす影響とは？ redirect icon

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UPDATED 03/25/2016
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LTspice: Plotting a Parameter Against Something Other Than Time (e.g. Resistance) redirect icon

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UPDATED 03/25/2016
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LTspice: 抵抗など、時間領域以外のパラメータのプロッティング redirect icon

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UPDATED 07/01/2014
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High Performance Portable DC Bench Power Supply: Save Money and Free Up Bench Real Estate by Building Your Own redirect icon

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UPDATED 08/14/2013
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New Linear Regulators Solve Old Problems redirect icon

Reliability Data

1

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UPDATED 03/26/2018
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R531 Reliability Data redirect icon

23.66 K

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Design Note

3

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UPDATED 01/01/2010
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Design Note 484: Convert Temperature to Current at High Linearity with LT3092 Current Source redirect icon

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UPDATED 01/01/2010
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设计要点 484：运用 LT3092 电流源以高线性度来实现温度至电流转换 redirect icon

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UPDATED 01/01/2010
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DN-484: LT3092 電流源を使った高直線性の温度 / 電流変換 redirect icon

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Documentation

Technical Documents 12
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Data Sheet 1

LT3092: 200mA 2-Terminal Programmable Current Source Data Sheet (Rev.D)

Reliability Data 1

R531 Reliability Data

User Guide 2

DC2132A - Demo Manual
DC1531A - Demo Manual

Design Note 1

Design Note 484: Convert Temperature to Current at High Linearity with LT3092 Current Source

Technical Articles 7

Monolithic Programmable Constant Current Source Is A New Basic Building Block - Electronic Design May 2009
2-Terminal Current Source Boasts High Accuracy, Programmability and Stability - Power Electronics Technology May 2009
Solving Current Source Design Challenges - PSDNA March/April 2009
Condition Monitoring System Design Choices and Their Impact on Signal Chain Implementation
LTspice: Plotting a Parameter Against Something Other Than Time (e.g. Resistance)
High Performance Portable DC Bench Power Supply: Save Money and Free Up Bench Real Estate by Building Your Own
New Linear Regulators Solve Old Problems

Webcast 1

Jumpstarting the Design Journey with Precision Medium Bandwidth Signal Chains

Video

2

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Video

2017-09-14

IC Current Sources - LT3092

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Video

2022-09-21

01:06

Easily Connect Sensors with ADI's Robust Industrial Signal Chains

Learn More
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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
LT3092EDD#PBF 8-Lead DFN (3mm x 3mm x 0.75mm w/ EP) external-link
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  • Material Declaration external-link
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LT3092EDD#TRPBF 8-Lead DFN (3mm x 3mm x 0.75mm w/ EP) external-link
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  • Material Declaration external-link
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LT3092EST#PBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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LT3092EST#TRPBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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LT3092EST#WPBF 3-Lead SOT-223 external-link
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LT3092EST#WTRPBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092ETS8#TRMPBF 8-Lead SOT-23 external-link
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LT3092ETS8#TRPBF 8-Lead SOT-23 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092IDD#PBF 8-Lead DFN (3mm x 3mm x 0.75mm w/ EP) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092IDD#TRPBF 8-Lead DFN (3mm x 3mm x 0.75mm w/ EP) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092IST#PBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092IST#TRPBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092IST#WPBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092IST#WTRPBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092ITS8#TRMPBF 8-Lead SOT-23 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092ITS8#TRPBF 8-Lead SOT-23 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092MPST#PBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LT3092MPST#TRPBF 3-Lead SOT-223 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

Software & Part Ecosystem

Evaluation Kits 2

reference details image

DC1531A

LT3092EDD Demo Board | 200mA 2-Terminal Programmable Current Source

reference details image

DC2132A

24V 3A Constant Voltage, Constant Current Bench Supply Featuring LT3081, LT8612, LT3092

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DC2132A

24V 3A Constant Voltage, Constant Current Bench Supply Featuring LT3081, LT8612, LT3092

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DC2132A
24V 3A Constant Voltage, Constant Current Bench Supply Featuring LT3081, LT8612, LT3092
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Product Detail

DC2132A is a 24V 3A constant voltage, constant current bench supply. It regulates any output voltage from 0V to 24V and any output current from 0A to 3A. It runs from 10V to 40V input although the output voltage should remain 5V or more below the input voltage.

Resources

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PDF

DC2132A - Schematic Download

91.00K

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PDF

DC2132A - Demo Manual Download

546.00K

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DC2132A - Design Files Download

3.00M

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Evaluation Kits2

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DC1531A

LT3092EDD Demo Board | 200mA 2-Terminal Programmable Current Source
evaluation kit item images

DC2132A

24V 3A Constant Voltage, Constant Current Bench Supply Featuring LT3081, LT8612, LT3092

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

LT3081/LT8612/LTC3632/LT3092 Demo Circuit - Constant Voltage, Constant Current Bench Supply (10-40V to 0-25V @ 0-3.1A) Download

9.00K

spice tool Lt Spice

LT3092 Demo Circuit - 200mA 2-Terminal Programmable Current Source (36V to 200mA) Download

1.00K

spice tool Lt Spice

LT3092 - Power Management Download

0.71 K

Reference Designs 3

Condition-Based Monitoring Signal Chain for an IEPE Piezoelectric Vibration Sensor

CN0540

24-Bit Data Acquisition System for IEPE Sensors

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CN0540

24-Bit Data Acquisition System for IEPE Sensors

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CN0540

Circuits from the lab

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24-Bit Data Acquisition System for IEPE Sensors

Features and Benefits

  • IEPE compatible data acquisition system
  • Piezo and MEMs sensors
  • 54 kHz analog input bandwidth
  • Arduino form factor compatible
View Detailed Reference Design external link

Part Used 13

ADG5421F reference design link

AD7768-1 reference design link

ADA4807-1 reference design link

LT3092 reference design link

LTC2606 reference design link

ADA4945-1 reference design link

AD8605 reference design link

ADR4540 reference design link

ADA4807-2 reference design link

LTC3459 reference design link

LT3494 reference design link

LT3008 Series reference design link

ADP7118 reference design link

Resources

URL

AD7768-1 GitHub Linux Driver Source Code link icon

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Design & Integration Tools

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CN0540 Design & Integration Files link icon

3.77 M

Videos

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2021-01-29

02:43

CN0549 - CbM Development Platform

Thumbnail Image

2022-09-21

01:06

Easily Connect Sensors with ADI's Robust Industrial Signal Chains

Figure 1. CN0579 Simplified Block Diagram

CN0579

Quad-Channel IEPE Vibration Sensor Measurement System

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CN0579

Quad-Channel IEPE Vibration Sensor Measurement System

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CN0579

Circuits from the lab

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Quad-Channel IEPE Vibration Sensor Measurement System

Features and Benefits

  • Quad Channel IEPE-Compatible Vibration Sensor Interface
  • Channel Independent Excitation Source and Sensor Bias Removal Circuitry
  • Analog Overvoltage and Undervoltage Protection
  • Sensor Frequency Response from DC up to 54 kHz
  • Synchronized, Full Bandwidth Data Measurement and Capture
View Detailed Reference Design external link

Part Used 12

AD7768-4 reference design link

AD5696R reference design link

ADA4807-2 reference design link

AD8605 reference design link

ADA4945-1 reference design link

ADR4540 reference design link

ADP1613 reference design link

ADP7142 reference design link

ADG5421F reference design link

ADP7118 reference design link

LT3092 reference design link

LT8333 reference design link

Design & Integration Tools

pdf icon

ZIP

CN0579 Design and Integration Files link icon

23.87 M

Figure 1. CN0582 Simplified System Block Diagram

CN0582

USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System

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CN0582

USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System

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Download

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CN0582

Circuits from the lab

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USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System

Features and Benefits

  • 4-Channels of Analog Input
  • IEPE, 4-20mA Sensor Compatible
  • Frequency Generator Output
View Detailed Reference Design external link

Part Used 22

ADG1219 reference design link

ADG839 reference design link

LT3092 reference design link

LTC3112 reference design link

ADG5401 reference design link

ADP7182 reference design link

ADP7118 reference design link

ADG5436 reference design link

AD5543 reference design link

AD9833 reference design link

AD7768-4 reference design link

ADR4540 reference design link

AD5686R reference design link

ADP5071 reference design link

ADP1708 reference design link

LT8330 reference design link

ADP7142 reference design link

ADA4945-1 reference design link

ADA4807-1 reference design link

ADA4522-1 reference design link

LTC6910 reference design link

ADA4099-1 reference design link

Design & Integration Tools

pdf icon

ZIP

CN0582 Design Files link icon

11.22 M

Videos

Thumbnail Image

2023-03-07

01:00

CN0582: USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System​

Reference Designs3

Condition-Based Monitoring Signal Chain for an IEPE Piezoelectric Vibration Sensor

CN0540

24-Bit Data Acquisition System for IEPE Sensors

Figure 1. CN0579 Simplified Block Diagram

CN0579

Quad-Channel IEPE Vibration Sensor Measurement System

Figure 1. CN0582 Simplified System Block Diagram

CN0582

USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System

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