SENSORS

ACOUSTICUltrasonic SensorsMurata’s ultrasonic sensors are based on piezoelectric ceramics technology. With high sensitivity and reliability, light weight,and compact package, ultrasonic sensors are ideal for burglar alarms, range finders and remote control applications.MurataPart NumberResonanceFrequency (KHz)Directivity(deg)Sound Pressure Level(dB)Capacitance(pF)Max Supply Voltage(Volt)Operating Temperature(°C)MA40S4R/S 40 80 120 +/-3 2550+/-20% 20Vp-p -40 to +85MA40MF14-5B 40 110x50 103 4400+/-20% 160Vp-p -40 to +85MA48MF14-5B 48 100x40 101 4200+/-20% 160Vp-p -40 to +85MA58AF14-0N 58 75x35 2.0dB Vop +/- 30% 1400 +/-20% 120Vp-p -40 to +85MA58MF14-0N 58 80x35 0.3 to 1.2 vop 2000 160Vp-p -40 to +85High Frequency Ultrasonic SensorsWith high resonance frequency, MA300 ultrasonic sensors are ideal for double feed detection applications.Part Number Resonance Frequency (KHz) Detectable Range Capacitance (pF) Max Supply Voltage (V) Operating Temperature (°C)MurataMA300D1-1 300 .1m to .3m 1300pF 50Vp-p -20 to +70Silicon MicrophoneWolfsonST MicroPart Number Output SNR (dB) Sensitivity (dB)FrequencyResponseSupply (V)Supply Current(µA)PackageWM7120A Analog 57 -42 62Hz-9.3Khz 1.5 to 3.7 140 3.76 x 2.95 x 1.10mm TopWM7210 Digital 58 -26 35Hz-10Khz 1.64 to 3.7 650 4.0 x 3.0 x 1.0 mm TopWM7220 Digital 58 -26 35Hz-9Khz 1.64 to 3.7 650 4.72 x 3.76 x 1.22 mm TopPortLocationMP34DB01 Digital 62.6 -26 20Hz-20Khz 1.64 to 3.6 650 RHLGA 3 x 4 x 1 4LD BottomMP34DT01 Digital 63 -26 20Hz-20Khz 1.64 to 2.86 600 HCLGA 4 x 3 x 1 4LD TopMP45DT02 Digital 58 -26 20Hz-15Khz 1.64 to 3.6 650 HLGA 4.72 x 3.76 6LD TopSTMicroelectronics14THE WORLD’S SMALLEST SERIAL REAL-TIME CLOCKOur serial RTC with embedded crystal makes the ideal clock for your portable applicationsLCC8 1.5 mm x 3.2 mmwww.FutureElectronics.com/Sensors• Ultra-small package, less than 5 mm2• Low power consumption: 350 nA• Timekeeping down to 1 V for longer battery life• 4.4 V Operation• Oscillator fail detect ensures safe operation• Provides a 32 kHz on start-up suitable for driving a microcontroller in low-power mode• Programmable alarm ideal for wake-up functions• Can adjust timekeeping to within ±2 ppm (±5s per month)• Part number: M41T62