Bipolar Analog Voltage Output (H15R0x)


SKU: H15R00 Category: Tags: , , , , , , , ,

Bipolar 10V, 12-bit Analog Voltage Output

Stage: Alpha

4 in stock


H15R0x is an industrial analog voltage output module with 12-bit resolution and +/-10V bipolar output based on Texas Instruments OPA188 precision, zero-drift operational amplifier and the internal 12-bit DAC of STM32F0 MCU.

  • Easy-to-use and compact analog voltage output from 0 to 10V or -10v to +10V.
  • 12-bit resolution, i.e., 5mV resolution for bipolar range and 2.5mV resolution for unipolar range. Range adjustable by software.
  • Accepts bipolar power supply (+/-15V or lower). You can use Hexabitz Isolated Bipolar +/-15V DC Power Supply module.
  • Low offset voltage: 25 μV (maximum) and zero drift: 0.03 μV/°C. Can be used as precision voltage reference or low-power power supply.
  • Use this module with Hexabitz sensor modules to create industrial voltage-output sensors.
  • Program advanced C code using our easy-to-use APIs and messaging system.
  • Use separately or combine with other Hexabitz modules and external hardware.



  • Texas Instruments OPA188 precision, zero-drift, Rail-to-Rail Output operational amplifier:
    • Low offset voltage: 25 μV (maximum)
    • Near zero drift over time and temperature: 0.03 μV/°C
    • Low noise: 8.8 nV/√Hz
    • Excellent dc precision:
      • PSRR: 142 dB
      • CMRR: 146 dB
      • Open-loop gain: 136 dB
    • Gain bandwidth: 2 MHz
    • Wide supply range: ±2 V to ±18 V
  • Bipolar power input up to +/-18V.
  • 3.5 mm, 2-pin terminal block connector for Analog Output (GND, +/-10V).
  • 3.5 mm, 3-pin terminal block connector for Power Input (GND, +15V, -15V).
  • 12-bit resolution, i.e., 5mV resolution for bipolar range and 2.5mV resolution for unipolar range.


  • STM32F091CBU6 32-bit ARM Cortex-M0 MCU.
  • 8MHz external oscillator.
  • Four array ports and six power ports (+3.3V and GND).
  • Access to 4xUART, 2xI2C, SWD, BOOT0, RESET.

Physical Properties

  • Shape: Hexagon
  • Size: 30 mm short diagonal, 17.32 mm side
  • Area: 7.8 cm^2
  • Weight: 6 g
  • Soldermask Color: Dark green
  • Surface Finish: ENIG (gold) or HASL-LF (tin)


Please visit this product projects on network.


H15R00 BOM


Quickstart Guide

Download PDF version here.


Frequently Asked Questions

Have more questions? Please check our main FAQ page and feel free to contact us for any unanswered questions.



Download PDF version here.


  • Schematics (PDF)
  • Hardware Design Files (Eagle)
  • Source Code (GitHub). Download a pre-compiled firmware HEX file here.
  • Documentation / Factsheet (PDF)
  • Projects & Examples: Please check our account on for demo projects and examples.