Digital Pressure Sensors offer simultaneous I²C and analog output.
April 1, 2011 -
Designed for measuring ultra-low gauge or differential pressures from 2.5 mbar (1 in. H2O) FS, HCLA series perform digital signal conditioning and can directly communicate with MCUs without additional ADCs. Simultaneous offering of digital I²C bus interface and analog 0.5-4.5 V output signal promotes design flexibility for OEMs; digital SPI bus and custom specific outputs are available on request. Series also features integrated compensation and standard 5 V power supply (3 V optional).
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Sensortechnics Inc.
11844 Dublin Blvd., Suite E
Dublin, CA, 94568
USA
Digital Miniature Ultra-Low Pressure Sensors Offer I²C and Analog Output at the Same Time
Sensortechnics' HCLA pressure sensors measure ultra-low gage or differential pressures from 2.5 mbar (1 inH2O) Full Scale. The sensors perform precision digital signal conditioning and achieve very high accuracies. The HCLA series provides a digital I²C bus interface plus an analog 0.5 ... 4.5 V output signal at the same time. This offers OEM customers increased design flexibility, e.g. in order to build up a redundancy functionality for safety critical applications. The sensors can directly communicate with microcontrollers without the need for additional A/D converters. Further, digital SPI bus and custom specific outputs are available on request.
HCLA pressure sensors use a special compensation technique to achieve a very high offset stability and virtually no position sensitivity. Together with an optional 3 V supply (standard 5 V) the sensors are therefore ideal for battery powered portable or handheld devices. A wide range of miniature single inline and SMT housing options allows for flexible and space-saving PCB-mounting. All HCLA pressure sensors can be modified according to customer specific requirements, e.g. with respect to pressure range, resolution and internal digital settings.
Important features of the HCLA series are:
Ultra-low pressure ranges from 2.5 mbar (1 inH2O) Full Scale
I²C bus and analog output at the same time
Optional 3 V power supply (standard 5 V)
Miniature single inline and SMT housing options
Typical applications of the HCLA pressure sensors include medical devices, instrumentation, environmental controls and HVAC.
Direct Web-Link: www.sensortechnics.com/hcla
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