MiniSense 100 Analog PCB Evaluation Circuit for Vibration Sensor Low Power Battery Powered LED for Trigger High Sensitivity Analog and Digital Signal Access Points The LDTC MiniSense 100 Analog PCB provides a simple way to evaluate the LDTC MiniSense 100. The unit consists of LDTC MiniSense 100, a low-power operation amplifier, comparator, and DC/DC converter, and passive components used in signal conditioning. specifications The sensor and circuit are assembled on a double-sided PCB with test points, ON/OFF switch, and 0.100 plated through holes for easy user interface. The PCB CHARACTERISTIC SYMBOL MIN TYP MAX UNITS has adjustable gain and demonstrates the (T=25(C)) basic capabilities of LDTC MiniSense 100 Lower Frequency f - 1.3 - Hz L3dB vibration sensor. Limit (-3dB Point) High Frequency f - 117 - Hz U3dB Limit (-3dB Point) External Supply +V 0.9 3.3 5.5 VDC Voltage Supply Current Isupply - 2.8 - mA FEATURES Signal Conditioned Vibration pin descriptions Sensor High Pass Filter 1.3Hz Low Pass Filter 177Hz PIN NUMBER NAME DESCRIPTION On Board 3.3 Battery or 1 VDD Connect to Power Supply User Power Supply 2 A Analog Signal output Both Analog and Digital 3 D Digital Signal output Output 4 GND Connect to GND **Note: when switch set to OFF, PCB uses external power if applied to (+) & (-) input pins** APPLICATIONS environmental characteristics Wake-up Sensor Drop Detection Sensor Flow Sensor CHARACTERISTICS SYMBOL MIN TYP MAX UNITS Activity Sensor T=25(C) Alarm Trigger Operating Temperature TOP -20 - +85 c Storage Temperature TS -40 - +105 c Relative Humidity RH 0 - 90 %R.H MiniSense 100 Analog Rev 2 www.meas-spec.com 10/ 21/20 15 1 of 4 MiniSense 100 Analog PCB electrical schematic MiniSense 100 Analog Rev 2 www.meas-spec.com 10/21/2015 2 of 4