SM3322ARA

SM3322ARA Optical Sensor IC OVERVIEW The SM3322ARA is a fluorescence detector IC with a built-in single picture element (pixel) photodiode of 1mm2 and programmable signal conditioning circuit. The IC has an optical filter on chip with target condition 640nm ± 60nm, and it integrates all the elements required for optical sensor into an ultra-miniature package. The signal condition circuit has a programmable gain amplifier with dark current compensation circuit, so that it can operate in wider temperature range. With 3 addressing bits, up to 8 SM3322ARA can be paralleled. FEATURES ▪ Optical filter on chip with target condition: 640nm ± 60nm ▪ Dark current compensation circuit built-in for stable signal output ▪ Gain setting and output control function using serial interface (DATA, SE, CLK, OE) ▪ Connection up to 8 devices in parallel according to 3-bit address setting ▪ Transimpedance range: 500kΩ to 240MΩ ▪ Photodiode detector size: 2.3mm×0.6mm (1.0mm2 photodetector surface area) ▪Anti-reflection film coating reduces responsivity fluctuations due to wavelength ▪ Supply voltage range: 2.7 to 5.5V (single supply) ▪ Current consumption: 1.5mA(typ)@VDD=5V, no load ▪ Operating temperature range: -40 to +85°C ▪ Package: 12 pin HCOB ORDERING INFORMATION Device Package SM3322ARA 12 pin HCOB PACKAGE DIMENSIONS (Unit: mm) Y 5.5 ±0.1 B Photodiode detector A X 0.6 ±0.1 3.2 ±0.1 1.15 ±0.2 Photodiode detector dimensions(Origin:Package center) X A -1.15 B 1.15 Y -0.7 -0.1 0....