ADT7422
FEATURES
Accuracy meets clinical thermometry specification of the ASTM E1112 when soldered onto the final PCB ±0.1°C from 25°C to 50°C at 3.0 V ±0.25°C from
- 20°C to +105°C at 2.7 V to 3.3 V
Ultralow temperature drift: 0.0073°C National Institute of Standards and Technology (NIST) traceable or equivalent Fast first temperature conversion at power-up of 6 ms
Simple implementation No temperature calibration or correction required No linearity correction required
Low power 140 µW typical at 3.0 V in 1 SPS mode 6 µW typical at 3.0 V in shutdown mode
Programmable interrupts Critical overtemperature interrupt Overtemperature and undertemperature interrupt
I2C-patible interface 16-lead, 4 mm × 4 mm, Ro HS pliant LFCSP
APPLICATIONS
Vital signs monitoring (VSM) Medical equipment Resistance temperature detector (RTD) and thermistor replacement Food transportation and storage Thermocouple cold junction pensation Environmental monitoring and heating, ventilation, and air conditioning (HVAC) Laser...
