MSP430FR60431

Product Folder Order Now Technical Documents Tools & Software Support & Community MSP430FR6043, MSP430FR60431, MSP430FR6041 MSP430FR5043, MSP430FR50431, MSP430FR5041 SLASEF5 – JANUARY 2019 MSP430FR604x, MSP430FR504x ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications 1 Device Overview 1.1 Features 1 Best-in-class ultrasonic water and gas flow measurement with ultra-low power consumption – Water – ±12.5-ps differential time of flight (dToF) accuracy at low to high flow rates and across operating temperature – Achieves ±1% accuracy for a wide dynamic range of 500:1 – Ability to measure a maximum flow rate of 8800 liters/hour (40 gallons/minute) on 25‑mm diameter pipe – Ability to detect a minimum flow rate of <1 liter/hour (0.005 gallons/minute) – High-precision time measurement resolution of <5 ps – Approximately 3-µA overall current consumption with 1 set of results per second – Ability to support a wide pipe sizes with 15‑mm to 1000-mm diameter – Gas – ±250-ps differential time of flight (dToF) accuracy at low to high flow rates and across operating temperature – Achieves ±1% accuracy up to 12000 liters/hour with a wide dynamic range of 200:1 – Ability to measure a flow rate >25000 liters/hour – Ability to detect a minimum flow rate of <3 liters/hour – High-precision time measurement resolution of <100 ps – Approximately 20-µA overall current consumption with 1 set of results per second Compliant to and exceeds ISO4064, OIML R4...