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CCS803A-COPR Datasheet(PDF) 3 Page - ams AG |
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CCS803A-COPR Datasheet(HTML) 3 Page - ams AG |
3 / 7 page CC-000017-DS revision: 11 Datasheet for CCS803 P a g e | 2 © Cambridge CMOS Sensors Ltd, Deanland House, Cowley Road, Cambridge, CB4 0DL, UK Website: www.ccmoss.com Telephone: +44 1223 395 551 Date Issued: 26 May 2016 Parameters Conditions Min Typ Max Units Maximum target heater voltage (VH) 1 1.8 V Recommended ambient operating temperature -5 50 oC Recommended ambient operating humidity Non-Condensing 15 95 %RH Storage temperature range -40 125 oC Recommended heater voltage (VH) 1.4 1.6 V Average power consumption (PAV) 1.2 10.2 mW Heater resistance (RH) VH = 1.6V 50 58 66 Ω Load resistance (RL) 1 kΩ Sensor resistance in clean air (Ra) VH = 1.6V @ 50% RH 0.1 1.0 10 kΩ Notes: 1. When VH is produced by PWM of a VDD voltage above 1.8V the duty cycle (%) must not exceed 1.8V2 / VDD2 2. Based on 30s heater on time which includes a 20s warm-up period and a 10s measurement window performed once in a 2min period for Alcohol breath analysis. Refer to application note CC-000614-AN for more details. Gas type Test condition Typical Sensitivity Range 1,2 Ethanol (C2H5OH) Ra / R100ppm 5 – 10 Notes: 1. Defined as the sensor’s resistance in air (Ra) divided by the sensor’s resistance at a specific gas concentration level at 50% relative humidity and 25°C ambient temperature. 2. Operating a new sensor in constant power mode at VH in the first 24 hours is recommended to ensure sensor performance is stabilised. Electrical characteristics Sensor Performance |
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