ADT7302 ±2°C Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23

The ADT7302’s wide supply voltage range, low supply current and SPI-compatible interface, make it ideal for a variety of applications, including personal computers, office equipment, automotive and domestic appliances. Product Highlights On-chip temperature sensor that allows an accurate measurement of the ambient temperature. The measurable temperature range is −40°C to +125°C. Supply voltage of 2.7 V to 5.25 V. Space-saving 6-lead SOT-23 and 8-lead MSOP packages. Maximum temperature accuracy of ±2°C. 13-bit temperature reading to 0.03125°C resolution. Shutdown mode that reduces the power consumption to 4.88 μW with VDD = 3.3 V at 1 SPS. Compatible with AD7814. Applications Medical equipment Automotive Environmental controls Oil Termperature Hydraulic systems Cellular phones Hard disk drives Personal computers Electronic test equipment Office equipment Domestic appliances Process control

The ADT7302 is a complete temperature monitoring system available in SOT-23 and MSOP packages. It contains a bandgap temperature sensor and a 13-bit ADC to monitor and digitize the temperature reading to a resolution of +0.03125°C.

The ADT7302 has a flexible serial interface that allows easy interfacing to most microcontrollers. The interface is compatible with SPI™, QSPI and MICROWIRE™ protocol and is also compatible with DSPs. The part features a standby mode that is controlled via the serial interface.

The ADT7302’s wide supply voltage range, low supply current and SPI-compatible interface, make it ideal for a variety of applications, including personal computers, office equipment, automotive and domestic appliances.

Applications

Features and Benefits
  • 13 - Bit Temperature-to-Digital Converter
  • – 40°C to + 125°C Operating Temperature Range
  • Max Temperature of 125°C
  • ± 2°C Accuracy
  • 0.03125°C Temperature Resolution
  • Operating Current of 1 µA
  • Power Dissipation of 0.631 mW at VDD = 3.3 V
  • SPI - and DSP - Compatible Serial Interface Shutdown Mode
  • Space-Saving SOT-23 and microSOIC Packages
  • Compatible with AD7814
Analog to Digital Converters
Sensors
Data Sheets
Documentnote
ADT7302: ±2°C Accurate, MicroPower Digital Temperature Sensor Data Sheet (Rev. B)PDF 271 kB
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
ADT7302ARMZ Production8 ld MSOPOTH 50-40 to 125C0.810.78Y
ADT7302ARMZ-REEL7 Production8 ld MSOPREEL 1000-40 to 125C00.78Y
ADT7302ARTZ-500RL7 Production6 ld SOT-23OTH 500-40 to 125C0.810.78Y
ADT7302ARTZ-REEL7 Production6 ld SOT-23REEL 3000-40 to 125C00.78Y
ADT7302: ±2°C Accurate, MicroPower Digital Temperature Sensor Data Sheet (Rev. B) adt7302