Transimpedance Amplifier with Microcontroller Reference Design
TIDM-TIA
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Description & Features

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Description

The TIDM-TIA uses a MSP430F2274 microcontroller to convert current produced by a photodiode to into a voltage using the integrated operational amplifier. It can be used to sense light in a number of different applications. Direct connection to the MSP430F2274's ADC allows for for voltage values to be analyzed and used as needed, The transimpedance amplifier system is kept to a small size by using the MSP430F2274's integrated operational amplifier which provides for a single chip solution in many industrial and consumer good applications.

Features
  • Single chip TIA design leveraging onboard operational amplifier
  • SW configurable photodiode threshold for different lighting conditions
  • External pins allow for modification of external feedback resistor
  • Programmable via JTAG connection 5. Externally available GPIO pins and onboard LED
  • This TIA example design is tested and includes firmware, demo and Getting Started guide

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  



Schematic/Block Diagram

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Design Guide

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430F2274  16 MHz MCU with 32KB FLASH, 1KB SRAM, 10-bit ADC, 2 OpAmp, I2C/SPI/UART  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430F2274 Download -
Download Download
Download -

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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 1394 28 Aug 2014
Design files (6)
Title Type Size (KB) Date
PDF 100 08 Sep 2014
PDF 34 08 Sep 2014
PDF 322 08 Sep 2014
ZIP 55 08 Sep 2014
ZIP 12 08 Sep 2014
ZIP 127 08 Sep 2014
Related Tools & Software

Software development (1)



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