Product Details
Key Features
Applications/Uses
Sensing Element | Ultrasonic Piezoelectric Transducer |
PGA Gain | Fixed |
Calibration Method | External microcontroller |
Output Type | Digital |
ICC (mA) (typ) | 0.006 |
Interface | SPI |
VSUPPLY (V) | 2.3 to 3.6 |
Package/Pins | TQFP/32 |
Budgetary Price (See Notes) | 4.97 |
Simplified Block Diagram
Technical Docs
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Parameters
Sensing Element | Ultrasonic Piezoelectric Transducer |
PGA Gain | Fixed |
Calibration Method | External microcontroller |
Output Type | Digital |
ICC (mA) (typ) | 0.006 |
Interface | SPI |
VSUPPLY (V) | 2.3 to 3.6 |
Package/Pins | TQFP/32 |
Budgetary Price (See Notes) | 4.97 |
Key Features
- High Accuracy Flow Measurement for Billing and Leak Detection
- Time-to-Digital Accuracy Down to 20ps
- Measurement Range Up to 8ms
- Two Channels: Single-Stop Channel
- High Accuracy Temperature Measurement for Precise Heat and Flow Calculations
- Up to Four 2-Wire Sensors
- PT1000 and PT500 RTD Support
- Maximizes Battery Life with Low Device and Overall System Power
- Ultra-Low 5μA ToF Measurement and < 125nA Duty-Cycled Temperature Measurement
- Event Timing Mode Reduces Host Microcontroller Overhead to Minimize System Power Consumption
- 2.3V to 3.6V Single-Supply Operation
- High-Integration Solution Minimizes Parts Count and Reduces BOM Cost
- 8KB of Nonvolatile Flash Memory for Data Logging
- Built-in Real Time Clock
- Small, 5mm x 5mm, 32-Pin TQFP Package
- -40°C to +85°C Operation
Applications/Uses
- Ultrasonic Gas Meters
- Ultrasonic Heat Meters
- Ultrasonic Water Meters
Description
With a time measurement accuracy of 20ps and automatic differential time-of-flight (ToF) measurement, this device makes for simplified computation of liquid flow.
Average power consumption is the lowest available with ultra-low 5.5μA ToF measurement and < 125nA duty-cycled temperature measurement.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .