Software
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TIDM-TIA
Transimpedance Amplifier with Microcontroller Reference Design
TIDM-TIA
Overview
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
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDRAE2.PDF (100 K)
Detailed schematic diagram for design layout and components
TIDRAE1.PDF (34 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRAE0.PDF (322 K)
Detailed overview of design layout for component placement
TIDRAD9.ZIP (55 K)
Files used for 3D models or 2D drawings of IC components
TIDC602.ZIP (127 K)
Design file that contains information on physical board layer of design PCB
TIDC603.ZIP (12 K)
Design file that contains information on physical board layer of design PCB
Products
Includes TI products in the design and potential alternatives.
MSP430 microcontrollers
MSP430F2274 — 16 MHz MCU with 32KB Flash, 1KB SRAM, 10-bit ADC, 2 OpAmp, I2C/SPI/UART
Data sheet: PDFStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| User guide | MSP430F2274 Transimpedance Amplifier (TIDM-TIA) User’s Guide | Aug. 28, 2014 |
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