This document introduces the product features and characteristics of MEMS differential pressure sensor D6F-PH, including appearance, structure, dimensions, working principle, usage methods, communication specifications, output data description, operation flow chart, etc
This User's Manual explains how to use and interface with the Omron MEMS differential pressure sensor (D6F-PH). It serves as a supplement to the datasheet, detailing the sensor's structure, principle of operation based on thermal mass flow detection, and recommended tube connection methods for bypass configurations.
The document covers electrical connection requirements, including the use of pull-up resistors for I2C communication, and provides detailed specifications for the 12C interface. It includes register maps, descriptions of configuration and data registers, and sample source code for integration.
| Resolution | 12-bit |
|---|---|
| Zero point accuracy | -0.2 to +0.2 Pa |
| Span accuracy | -3 to +3 %R.D. |
| Response Time | 33 to 50 msec |
| Ambient Operating Temp | -20 to 80 degC |
| Supply Voltage | 2.3 to 3.6 VDC |
| Current Consumption | 6 mA |
| Frequency of SCL | 400 kHz |
The sensor uses a thermal mass flow method to detect fine changes in differential pressure.
A pull-up resistor of 2.2 kΩ is recommended between Vcc and the SCL/SDA lines.
The product supports an SCL frequency of up to 400 kHz.