ChipCap 2 ™ A Fully Calibrated Humidity and Temperature Sensor Features • Fully Calibrated & Temperature Compensated • Digital or Analog Output with Alarm Function • Precision & Accuracy (±2%RH, ±0.3°C, 14 bit ) • Free Operating Voltage (min 2.3V to max 5.5V) • Low Current Consumption • SMD Package for Automated Assembly • Reliable in Harsh Environments Applications • Energy Saving HVAC Control - Air Conditioning, Refrigeration, Indoor Air Quality, Vent Fans, Home Appliances, • Process Control & Instrumentation—Medical Instruments, Handheld Devices, Weather Stations, Food Processing, Printers, RFIDs • Automobile& Transportation—CabinClimate Control, Defogging Control Condensing Preventive Device • Medical —Nebulizers, Oxygen air, CPAP/Sleep Apnea devices • OEM assemblies available the most advanced and cost ChipCap 2 humidity and temperature sensing solution for virtually any type of application. A capacitive polymer sensor chip and a CMOS integrated circuit with EEPROM are integrated into solderable SMD one embedded system in a package. Individually calibrated and tested, ChipCap 2 performs at ±2% from 20% to 80% RH (±3% over entire humidity range), and is simple and ready to use without further calibration or temperature compensation. ChipCap 2 provides linear output signals in various interfaces to customer requirements: • • • • I2C istandard SPI optional PDM convertible to analog signal Alarm function control at min/max humidity Page 1 of 3 Willow Technologies Ltd. + 44 (0) 1342 717102 Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, United Kingdom. + 44 (0) 1342 717014 [email protected] http://www.willow.co.uk W4CM2014 Sensor Performance Relative Humidity (RH%) Temperature (°C) Resolution 14 bit (0.01%RH) Accuracy 1 ±2.0 %RH (20~80%RH) 2 Repeatability ±0.2 %RH Hysteresis ±2.0 %RH Linearity <2.0 %RH Response time 3 7.0 sec (τ 63%) Temp Coe cient 0.05 %RH/ °C Operating Range 0 ~ 100 %RH (Non-Condensing) Long Term Drift <0.5 %RH/yr (Normal condition) Resolution Accuracy 1 14 bit (0.01°C) ±0.3°C Repeatability ±0.1°C Response time 2 5.0 sec (τ 63%) Operating range - 40 to 125°C Long term drift <0.05°C/yr (Normal condition) 1. Accuracies measured at 25°C, 5.0V 2. Min 5.0 sec, Max 20 sec Typical Temperature Accuracy 1. Custom Accuracy Tolerance Available 2. Accuracies measured at 25°C, 5.0V. from 33%RH to 90%RH Typical %RH Accuracy Absolute Maximum Rating s Supply Voltage min 2.3V to max 5.5V Parameter Supply Voltage (VDD) Storage Temp (T strg ) Junction Temp (Tj ) Min -0.3V -50°C -55°C Max 6.0V 150°C 150°C Supply Current (IDD) Soldering Information Sleep Current (Isleep) Tp: 260°C, tp: 40 sec. RoHS compliant Environmental Note: After soldering reconditioning will be required. Details for this process can be found in the ChipCap2 application note (916-127). 650 µA (typical) 1 µA (typical) Operating Temperature Range - 40 to 125°C Package Contents Operating RH Range 0 to 100 % RH (non-condensing) Capacitive polymer RH Sensor, PTA (Proportional to Absolute) Temperature sensor integrated ASIC chip in LCC (Leadless Chip Carrier) package, SMD Page 2 of 3 Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, United Kingdom. + 44 (0) 1342 717102 + 44 (0) 1342 717014 [email protected] http://www.willow.co.uk W4CM2014 Pin Connection Ordering Information Part number Shipping Accuracy I 2C=D/PDM=A 2 Reel and Tape CC2-2D35 2% IC Tape and Reel 3500 units CC2-2D5 2% I2 C Tape and Reel 500 units CC2-2A35 2% PDM Tape and Reel 3500 units CC2-2A5 2% PDM Tape and Reel 500 units CC2-3D35 3% I2 C Tape and Reel 3500 units CC2-3D5 3% I2 C Tape and Reel 500 units CC2-3A35 3% PDM Tape and Reel 3500 units CC2-3A5 3% PDM Tape and Reel 500 units Sample Part numbers CC2-2D-S 2% I2 C 5 units supplied on the tape and reel format 5 / 500 / 3500 ea CC2-2A-S 2% PDM 5 units supplied on the tape and reel format Stick CC2-3D-S 3% I2 C 5 units supplied on the tape and reel format CC2-3A-S 3% I2 C 5 units supplied on the tape and reel format Tape & Reel 120 ea Dimensions (units: mm) © 2011 All Rights Reserved. resubject to change without notice. Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are with Willow Technologies Limited. E&OE. Page 3 of 3 Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, United Kingdom. + 44 (0) 1342 717102 + 44 (0) 1342 717014 [email protected] http://www.willow.co.uk W4CM2014