Maxim DS1631AU+, Temperature Sensor -55 → +125 °C ±1°C Serial-I2C, SMBus, 8-Pin μSOP

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): PH
Product Details

DS1631/1731 Digital Thermometer & Thermostat

The DS1631/1731 are temperature-to-digital converters with over/under-temperature detection. Applications include PCs, mobile phones, office equipment and data loggers.

Measurement temperature range: -55 to +125°C
Accuracy: ±0.5°C from 0 to +70°C (DS1631), ±1°C from -10 to +85°C (DS1731)
Programmable resolution from 9 to 12 bits
Conversion Time (Max): 93.75ms (9-bit), 750ms (12-bit)
DS1631A will function as a stand-alone thermostat
Configuration settings saved in EEPROM prior to installation
Communication: Serial I²C bus for up to 8 devices
Power supply: +2.7V to +5.5Vdc


Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

Temperature & Humidity Sensors, Maxim Integrated

Attribute Value
Sensor Function Temperature
Output Type Push-Pull Output
Interface Type Serial-I2C, SMBus
Accuracy ±1°C
Mounting Type Surface Mount
Pin Count 8
Operating Temperature Range -55 → +125 °C
Minimum Operating Temperature -55 °C
Maximum Operating Temperature +125 °C
Minimum Operating Supply Voltage 2.7 V
Maximum Operating Supply Voltage 5.5 V
Package Type μSOP
Length 3.1mm
Height 0.95mm
Width 3.1mm
Dimensions 3.1 x 3.1 x 0.95mm
Resolution 12 bit
On back order for despatch 10/11/2020, delivery within 5 working days from despatch date.
Price (ex. GST) Each (In a Tube of 50)
$ 3.85
(exc. GST)
$ 4.23
(inc. GST)
Per unit
Per Tube*
50 +
*price indicative