Term · Photonics, MEMS & Sensors
Ratiometric output
A sensor output that scales proportionally with its supply voltage, so a downstream ADC sharing the same reference cancels supply variation without needing a precision regulator.
- Also known as
- Ratiometricity
- Type
- Term
- Domain
- Photonics, MEMS & Sensors, Sensor interfaces
Notes
Standard in automotive analogue sensor interfaces, where the 5 V rail is noisy but shared.
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