The “DAQ on a Stick, Renesas Strain Gauge” is one of a series of reference designs highlighting Renesas’ precision products with different microcontrollers. This reference design is a self contained demo showing a complete signal chain solution using Renesas precision parts and a Renesas microcontroller. The complete reference design is conveniently housed in a USB stick form factor. This compact design draws power through the USB port and uses a Graphical User Interface (GUI) to display the real time voltage readings from a bridge strain gauge or a user supplied sensor. Figure 1 shows the Data Acquisition (DAQ) on a Stick connected to an external foil strain gauge.

The below image shows a simplified schematic of the Strain Gauge design. The design uses Renesas’ ISL28134 chopper amplifier, ISL22316 Digitally Controlled Potentiometer (DCP), ISL43840 dual 4-channel Mux configured as a Differential Mux, ISL21010 4.096 voltage reference, the ISL26102 24-bit delta sigma converter and Renesas R5F10JBC microcontroller.

Key Features

  • Self-contained Demo Platform
  • 24-bit ADC with programmable sample rate
  • Zero-Drift Amplifiers
  • Real-time graphing on GUI
  • Programmable gains available for user supplied sensors

Software and Tools

The installation application includes the following items:

  • GUI Software
  • Desktop Shortcut for easy access
  • Appnote and Schematics

Strain Gauge with Op Amp Reference Design

Figure 1. DAQ on a Stick with Strain Gauge


Related Products

Chopper Amplifier

Digitally Controlled Potentiometer

Differential Mux

4.096 Voltage Reference

24-bit Delta Sigma Converter

(RL78/G1C) Microcontroller

User Guide

No files found


ISL21010 Datasheet
Micropower Voltage Reference
PDF 2019年4月19日 3.43 MB
ISL23328 Datasheet
Dual, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP)
PDF 2018年7月19日 1.17 MB
ISL26102, ISL26104 Datasheet
Low-Noise 24-bit Delta SIgma ADC
PDF 2018年7月19日 1.31 MB
ISL26102, ISL26104 Datasheet
Low-Noise 24-bit Delta SIgma ADC
PDF 2018年7月19日 1.31 MB
ISL28533, ISL28534, ISL28535, ISL28633, ISL28634, ISL28635 Datasheet
5V, Rail-to-Rail I/O, Zero-Drift, Programmable Gain Instrumentation Amplifiers
PDF 2018年7月19日 2.21 MB
ISL43840 Datasheet
Low-Voltage, Single Supply and Dual Supply, Dual 4 to 1 Differential Mulitpexer, Analog Switches with Enable
PDF 2018年7月19日 748 KB
RL78/G1C Data Sheet
PDF 2016年9月20日 1.49 MB

RTKA-BDGSTKEV1Z Software Installer
RTKA-BDGSTKEV1Z Software Installer
EXE 2019年3月2日 14.84 MB

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Disclaimer: THIS MATERIAL IS PROVIDED “AS-IS” FOR EVALUATION PURPOSES ONLY. RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (collectively, “Renesas”) DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION, FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY. Renesas provides evaluation platforms and design proposals to help our customers to develop products. However, factors beyond Renesas' control, including without limitation, component variations, temperature changes and PCB layout, could significantly affect the product performance. It is the user’s responsibility to verify the actual circuit performance.