{"id":3508,"date":"2026-02-28T08:30:14","date_gmt":"2026-02-28T13:30:14","guid":{"rendered":"https:\/\/pirhome.com\/?p=3507"},"modified":"2026-02-28T08:30:14","modified_gmt":"2026-02-28T13:30:14","slug":"infratec-digital-pyroelectric-i2c-2026","status":"publish","type":"post","link":"http:\/\/www.pirhome.com\/?p=3508","title":{"rendered":"InfraTec Introduces Digital Pyroelectric Detectors with I2C Interface"},"content":{"rendered":"<h2>February 2026 \u2013 InfraTec Digitalizes Pyroelectric Detection<\/h2>\n<p>InfraTec, a leading manufacturer of infrared detectors, has announced a new series of digital pyroelectric detectors featuring an integrated I2C interface. The LIE-700 Digital series brings programmability and smart features to pyroelectric sensing.<\/p>\n<h2>LIE-700 Digital Series Features<\/h2>\n<h3>Key Specifications<\/h3>\n<ul>\n<li><strong>Interface:<\/strong> I2C (up to 400 kHz) with configurable address<\/li>\n<li><strong>Resolution:<\/strong> 16-bit ADC for signal digitization<\/li>\n<li><strong>Programmable Gain:<\/strong> 1x to 128x in software<\/li>\n<li><strong>Configurable Filters:<\/strong> Digital high-pass and low-pass filters<\/li>\n<li><strong>Detection Algorithm:<\/strong> On-chip motion detection with adjustable threshold<\/li>\n<li><strong>Interrupt Output:<\/strong> Programmable interrupt on motion detection<\/li>\n<li><strong>Power Consumption:<\/strong> 50 \u00b5A in active mode, 2 \u00b5A in standby<\/li>\n<li><strong>Package:<\/strong> Standard TO-5 and SMD options<\/li>\n<\/ul>\n<h2>Smart Features<\/h2>\n<h3>Programmable Detection Parameters<\/h3>\n<p>Unlike traditional analog PIR sensors, the LIE-700 Digital allows software configuration of:<\/p>\n<ul>\n<li>Sensitivity threshold (8-bit adjustable)<\/li>\n<p>li>Hold time (from 100ms to 10 minutes)<\/li>\n<li>Block time (from 0ms to 10 seconds)<\/li>\n<li>Detection mode (motion-only or presence-sensitive)<\/li>\n<\/ul>\n<h3>On-Chip Signal Processing<\/h3>\n<p>The integrated DSP can perform basic motion classification, distinguishing between human motion and environmental noise. Future firmware updates may add pet discrimination capabilities.<\/p>\n<h3>Diagnostic Features<\/h3>\n<p>The sensors provide diagnostic information including:<\/p>\n<ul>\n<li>Raw signal level (for advanced processing)<\/li>\n<li>Noise floor measurement<\/li>\n<li>Temperature compensation status<\/li>\n<li>Fault detection (lens blocked, sensor failure)<\/li>\n<\/ul>\n<h2>Benefits for System Designers<\/h2>\n<ul>\n<li><strong>Simplified Hardware:<\/strong> No external ADC, comparator, or timing components needed<\/li>\n<li><strong>Reduced PCB Area:<\/strong> All signal processing integrated<\/li>\n<li><strong>Flexibility:<\/strong> Parameters can be adjusted in firmware, even after deployment<\/li>\n<li><strong>Multi-Sensor Arrays:<\/strong> Multiple sensors on same I2C bus with different addresses<\/li>\n<li><strong>Calibration:<\/strong> Factory-calibrated, no field adjustment needed<\/li>\n<\/ul>\n<h2>Target Applications<\/h2>\n<ul>\n<li>Smart building sensors with remote configuration<\/li>\n<li>IoT devices requiring field adjustment<\/li>\n<li>Security systems with multiple sensors<\/li>\n<li>Industrial automation with diagnostic requirements<\/li>\n<li>Research and development platforms<\/li>\n<\/ul>\n<h2>Development Tools<\/h2>\n<p>InfraTec offers an evaluation kit including:<\/p>\n<ul>\n<li>Sensor module with pre-mounted lens<\/li>\n<li>USB-to-I2C interface board<\/li>\n<li>Windows GUI for configuration and data logging<\/li>\n<li>Arduino and Raspberry Pi library examples<\/li>\n<\/ul>\n<h2>Availability and Pricing<\/h2>\n<p>The LIE-700 Digital series is available now for sampling, with volume production starting Q2 2026. Pricing is expected to be approximately 30% higher than equivalent analog sensors, reflecting the additional integrated functionality.<\/p>\n<h2>Industry Reaction<\/h2>\n<p>&#8220;Digital interfaces are the future of sensing,&#8221; said an industry analyst. &#8220;InfraTec&#8217;s move to I2C brings pyroelectric sensors in line with other modern sensor types like temperature, humidity, and light sensors. This will accelerate adoption in smart applications.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>February 2026 \u2013 InfraTec Digitalizes Pyroelectric Detection InfraTec, a leading manufacturer of infrared detectors, has announced a new series of digital pyroelectric detectors featuring an integrated I2C interface. The LIE-700 Digital series brings programmability and smart features to pyroelectric sensing. LIE-700 Digital Series Features Key Specifications Interface: I2C (up to 400 kHz) with configurable address [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3508","post","type-post","status-publish","format-standard","hentry","category-news"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>InfraTec Introduces Digital Pyroelectric Detectors with I2C Interface - PIRHOME<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"http:\/\/www.pirhome.com\/?p=3508\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"InfraTec Introduces Digital Pyroelectric Detectors with I2C Interface - PIRHOME\" \/>\r\n<meta property=\"og:description\" content=\"February 2026 \u2013 InfraTec Digitalizes Pyroelectric Detection InfraTec, a leading manufacturer of infrared detectors, has announced a new series of digital pyroelectric detectors featuring an integrated I2C interface. 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