TIPD195 Reference Design

Texas Instruments

3-Terminal PLC Reference Design

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
Applications
  • Closed loop stepper
  • Analog input module
  • Mixed module (AI
  • AO
  • DI
  • DO)
  • Servo drive control module
  • AC drive control module
  • HVAC motor control
Product Categories
  • Amplifiers

Parts

Part Number Name Companion Part
REF3225 REF3225 Buy Datasheet

Software

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
TIPD195 BOM 29 Sep 2015 PDF 207
TIPD195 Schematic 29 Sep 2015 PDF 167