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TIDM-TIA Reference Design

Texas Instruments

Transimpedance Amplifier with Microcontroller Reference Design

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
Applications
  • Clinical pulse oximeter
  • Smoke & heat detector
  • Wireless environmental sensor
  • Infusion pump
  • Glass break detector
  • Gas detector
  • Blood glucose monitor
  • Occupancy detection (people tracking
  • people counting)
  • Mother & neonatal care monitor
  • Oxygen concentrator
  • Analog security camera
  • IP network camera
  • Motion detector
  • Wireless security camera
Product Categories

End Equipment Reference Diagrams

Application Area End Equipment
Clinical pulse oximeter https://www.ti.com/solution/clinical-pulse-oximeter#referencedesigns
Smoke & heat detector https://www.ti.com/solution/smoke-heat-detector#referencedesigns
Wireless environmental sensor https://www.ti.com/solution/wireless-environmental-sensor#referencedesigns
Infusion pump https://www.ti.com/solution/infusion-pump#referencedesigns
Glass break detector https://www.ti.com/solution/glass-break-detector#referencedesigns
Gas detector https://www.ti.com/solution/gas-detector#referencedesigns
Blood glucose monitor https://www.ti.com/solution/blood-glucose-monitor#referencedesigns
Occupancy detection (people tracking https://www.ti.com/solution/occupancy-detection-people-tracking-people-counting#referencedesigns
people counting) https://www.ti.com/solution/mother-neonatal-care-monitor#referencedesigns
Mother & neonatal care monitor https://www.ti.com/solution/oxygen-concentrator#referencedesigns
Oxygen concentrator https://www.ti.com/solution/analog-security-camera#referencedesigns
Analog security camera https://www.ti.com/solution/ip-network-camera#referencedesigns
IP network camera https://www.ti.com/solution/motion-detector#referencedesigns
Motion detector https://www.ti.com/solution/wireless-security-camera#referencedesigns

Parts

Part Number Name Companion Part
MSP430F2274 MSP430F2274 Buy Datasheet

Software

Download
MSP430F2274 Transimpedance Amplifier Software

Bill Of Materials

Download the bill of materials for TIDM-TIA Download

Schematic

Quickly understand overall system functionality.

Download the schematic for TIDM-TIA

Test Data

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Download the test file for TIDM-TIA

Other Documents

Title Updated Type Size (KB)
MSP430F2274 Transimpedance Amplifier Schematic 08 Sep 2014 PDF 100
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MSP430F2274 Transimpedance Amplifier Bill of Materials (BOM) 08 Sep 2014 PDF 34
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MSP430F2274 Transimpedance Amplifier Assembly Drawings 08 Sep 2014 PDF 322
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MSP430F2274 Transimpedance Amplifier TINA CAD Files 08 Sep 2014 ZIP 55
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MSP430F2274 Transimpedance Amplifier Drill Files 08 Sep 2014 ZIP 12
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MSP430F2274 Transimpedance Amplifier Gerber Design Files 08 Sep 2014 ZIP 127
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Additional details