Difference between revisions of "Sensors: MAX31820"
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# Price (the MAX31820 is about half the price of the DS18B20). | # Price (the MAX31820 is about half the price of the DS18B20). | ||
# Counterfeits (the DS18B20 is counterfeited by Russian and Chinese companies). | # Counterfeits (the DS18B20 is counterfeited by Russian and Chinese companies). | ||
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| + | [[File:Max31820.jpg|frameless|right|260px]] | ||
Revision as of 18:34, 23 June 2019
MAX31820 is a cheaper replacement for the DS18B20 1-Wire (TM) temperature probe.
The DS18B20 was originally manufactured by Dallas Semiconductor. Dallas Semi was bought by Maxim. Maxim continues the 1-Wire line of temperature sensors with the MAX31820.
The main differences between the DS18B20 and the MAX31820 are:
- Power supply range (DS18B20 is 3 - 5 VDC, MAX31820 is 3.3 VDC).
- Temperature accuracy range (MAX31820 is as accurate but over a narrower temperature range).
- Price (the MAX31820 is about half the price of the DS18B20).
- Counterfeits (the DS18B20 is counterfeited by Russian and Chinese companies).
