3-Terminal PLC Reference Design

(ACTIVE) TIPD195

Description & Features

Technical Documents

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Key Document

Description

This design inputs ±10V or ±20mA and outputs 2.5V±2.3V. It utilizes the INA188, which is a zero-drift instrumentation amplifier. The 2.5V reference voltage is provided by the REF3225. Measured performance yielded just 0.153% error (typical).

Features
  •  3-Terminal PLC Reference Design
  •  Input: ±10 V or ±20 mA
  •  Output: 2.5 V ± 2.3 V
  •  Supplies: ±15V, 5 V
  •  This design yielded less than 0.2% total unadjusted error
  •  This robust circuit reference design includes theory, error analysis, component selection, simulation, PCB design, and measured data that correlates with the simulation

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  




TI Devices (2)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA188  36-V, Zero-Drift, Rail-to-Rail-Out Instrumentation Amplifier  Amplifiers  Sample & Buy View Design Kits & Evaluation Modules
REF3225  2.5V 4ppm/Degrees C, 100uA SOT23-6 Series (Bandgap) Voltage Reference  Voltage Reference  Sample & Buy Not Available

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 880 20 May 2015 174
Design files (2)
Title Abstract Type Size (KB) Date Views
PDF 207 29 Sep 2015 25
PDF 167 29 Sep 2015 66
Related Tools & Software

Software (1)




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