Description
AS1716 is an analog front end specifically designed for unbiased Capacitive Sensors, as for instance Knock Sensors in Automotive, to be interfaced with Analog Digital Converters with Sample and Hold input stages.
Features
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Differential input stage with wide input range Resistive sensor biasing (VDDA/2) Programmable Gain (x0.5, x1, x2, x4) Internal 2 order low pass Multiple Feedback Filter with a min. cut off frequency of 16kHz Single supply operation: 4.5V to 5.5V Operating Temperature range: -40°C to +125°C High CMRR: 55dB (min) EMC characterized by IEC 61967-4 (1Ω / 150Ω Method) EMC characterized by IEC 62132-4 (Direct Power Injection) Automotive qualified to AECQ100 for IC and PPAP level 3 8-pin SOIC P.
AS1716_austriamicrosystemsAG.pdf
