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AN36179 - Programmable Bipolar Analog Current Source, PSoC® Style | Cypress Semiconductor

AN36179 - Programmable Bipolar Analog Current Source, PSoC® Style

Last Updated: 
Oct 13, 2015
Version: 
*E

The unique configuration of PSoC® switched capacitor blocks enables construction of a programmable bipolar current source. This application note explains how to build a programmable current source using a couple of basic PSoC User Modules.

Introduction

Many applications need an accurate and controllable current source. The unique PSoC MCU architecture enables programmable current sources that source and sink 40 mA. This application note provides:

  • A brief explanation of instrumentation amplifier based (In-Amp) current sources.
  • Examples of analog current sources implemented with PSoC analog blocks.

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