MAX31889 ± 0.25 ° C Daidaitaccen I2C Sensor na Zazzabi

Maxim Hadakar ta MAX31889 madaidaiciyar madaidaiciyar I2C firikwensin zafin jiki a kan kasafin kudin wutar batir

Maxim Integrated's MAX31889 ±0.25°C Accurate I2C Temperature Sensor Maxim Hadedde 'MAX31889 mai karamin karfi ne, mai daidaitaccen yanayin zafin jiki na dijital tare da ± 0.25 ° C daidaito daga -20 ° C zuwa + 105 ° C da ± 0.65 ° C daidaito daga -40 ° C zuwa + 125 ° C wanda ke aiki daga 1.7 V zuwa 3.6 V mai samar da wutar lantarki. MAX31889 yana dauke da ƙudurin 16-bit (0.005 ° C).

Na'urar tana amfani da daidaitaccen I²C serial interface don sadarwa tare da rundunar mai kulawa. Akwai maɓallan GPIO guda biyu. GPIO1 za a iya saita shi don faɗakar da canjin yanayin zafin jiki yayin da GPIO0 za a iya daidaita shi don samar da katsewa don zaɓin raunin matsayin.

MAX31889 ya haɗa da kalma 32 FIFO don bayanan yanayin zafin jiki kuma ya haɗa da ƙararrawa da ƙananan ƙararrawar dijital dijital. Ana samun na'urar a cikin 2 mm x 2 mm x 0.8 mm, 6-pin, packageDFN kunshin.

Fasali

Babban daidaito

Accuracy daidaito 0.25 ° C daga -20 ° C zuwa + 105 ° C
Accuracy 0.65 ° C daidaito daga -40 ° C zuwa + 125 ° C

Dogon rayuwar batir

1.7 V zuwa 3.6 V ƙarfin lantarki
68 µA halin yanzu na aiki yayin aunawa
0.55 µA jiran aiki

Sizeananan girma

2 mm x 2 mm x 0.8 mm, 6-pin µDFN

Tsaro da kiyayewa

Andararrawa masu ƙarfi da ƙananan

Ni²C dijital dubawa

Configurable maida zazzabi labari fil
Configurable katse fitarwa fil
32-kalmar FIFO don bayanan zafin jiki
4 Ni²Akwai adiresoshin C
ID ɗin ROM na Musamman suna bawa na'urar damar zama NIST wanda za'a iya gano shi

Aikace-aikace

Na'urar Intanit na Abubuwa (IoT)
Daidaita yanayin zafin jiki

Sauya RTD