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TIPD107
Low-level V-to-I converter reference design, 0-V to 5-V input and 0-µA to 5-µA output
TIPD107
Overview
This verified design is a micro-amp voltage-to-current (V-I) converter that delivers a precise low level current to a load. The design operates on a single 5V supply and uses a precision low drift op-amp, and instrumentation amplifier. Simple modification can change the range and accuracy of the V-I converter.
Features
- Translates Voltage to current: 0 to 5V, 0uA to 5uA
- Error: 0.3% max uncalibrated, 0.01% max calibrated
- Single-Supply Solution
- Utilizes INA326 RRI/O Instrumentation Amplifier
- Theory
- Component Selection
- TINA-TI Simulation
- Verification and Measured Performance
- Modification Options
Industrial
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.
SLAC577A.ZIP (505 K)
Detailed schematic diagram for design layout and components
TIDR185.PDF (74 K)
Detailed schematic diagram for design layout and components
TIDR207A.PDF (185 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDC144.ZIP (161 K)
Design file that contains information on physical board layer of design PCB
Products
Includes TI products in the design and potential alternatives.
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Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | User guide | TIPD107 Verified Design Reference Guide | Sep. 19, 2013 |
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