HTU21P(F) RH/T SENSOR IC Miniature Relative Humidity and Temperature SPECIFICATIONS DFN type package Relative Humidity and Temperature Analog Output, PWM interface Fully calibrated Lead free sensor, reflow solderable Low power consumption Fast response time HTU21P(F) is a new humidity and temperature sensor by MEAS.Setting new standards in terms of size and intelligence, it is embedded in a reflow solderable Dual Flat No leads (DFN) package of 3 x 3 x 0.9 mm foot print. This sensor provides calibrated, linearized signals in analog pulse width modulated (PWM) format. HTU21P(F) humidity sensors are dedicated humidity and FEATURES temperature plug and play transducers for OEM applications where reliable and accurate measurements are needed. These Full interchangeability with no low power sensors are designed for high volume and cost Instantaneous desaturation after sensitive applications with tight space constraints. Compatible with automatized Individual marking for compliance to PWM signal runs on a base frequency of 120Hz, the data signal is provided on SDA line. Pulling SCL high or low allows for APPLICATIONS switching between humidity and temperature, respectively. The sensor measures twice per second. The PWM signal may be Automotive: defogging, HVAC converted to an analog ratiometric interface by adding a low pass Home Appliance filter. Medical Printers Humidifier With MEAS improvements and miniaturization of the sensor, the performance-to-price ratio has been improved and eventually, any device should benefit from the cutting edge energy saving operation mode. HTU21 is also available with digital IC (HTU21D(F)). Optional PTFE filter/membrane (F) protects HTU21P analog humidity sensors against dust and water immersion, as well as against contamination by particles. PTFE filter/membrane preserves a high response time. The white PTFE filter/membrane is directly stuck on the sensor housing. This membrane is allowing an IP67 compliance protection. SENSOR SOLUTIONS /// HPC200 6 HTU21P(F) 9/2016 Page 1 HTU21P(F) RH/T SENSOR IC Miniature Relative Humidity and Temperature NOMENCLATURE HTU2XY(F) With embedded PTFE filter: HTU2XYF Output Sensor: Y = D for Digital, I2C protocol = P for PWM interface, analog output Humidity accuracy : X = 0: +/-5%RH tolerance 55%RH = 1: +/-3%RH tolerance 55%RH HTU2XY Modules HTU2XYF Modules PERFORMANCE SPECS MAXIMUM RATINGS Ratings Symbol Value Unit Storage Temperature Tstg -40 to 125 C Supply Voltage (Peak) Vcc 3.8V Vdc Humidity Operating Range RH 0 to 100 %RH Temperature Operating Range Ta -40 to +125 C VDD to GND -0.3 to 3.6 Vdc Digital I/O pins (DATA/SCK) to VDD -0.3 to VDD+0.3 Vdc Input current on any pin -10 to +10 mA SENSOR SOLUTIONS /// HPC200 6 HTU21P(F) 9/2016 Page 2