MSP430FR5041
Overview
- 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 R49, EN 14236 and EN 1434 accuracy standards
- Ability to directly interface standard ultrasonic sensors (up to 2.5 MHz)
- Integrated analog front end - Ultrasonic Sensing Solution (USS_A) that includes - Programmable pulse generator (PPG) to generate multi-tone pulses at various frequencies - Integrated PHY with low-impedance output driver (4 Ω) to control input and output channels 1 - High-performance high-speed 12-bit analog-todigita
