CYX19-IIC pressure sensor

1.Function

The sensor can transfer the measurement signals of temperature, pressure and liquid level to I2C digital output. With the fast and accurate interface, the sensor is used to build an Internet of Things using a microcontroller. It can read data and control power on and off to reduce power consumption through microprocessor operation.

2.Feature

Digital compensation for sensor offset, sensitivity, temperature drift and nonlinearity

32-bit customer ID field for module traceability

Digital output of temperature and pressure in I²C bus mode

Fast power-on to data output response: 3ms

Low power consumption, sleep mode operation, as low as 5 μ A, current consumption depends on the programmed sampling rate

Operating temperature: -40°C to + 85°C

Wide supply voltage capability: 3.3V/5V

3.Performance

4.Material

Diaphragm: stainless steel 316L / titanium TA1

Shell: stainless steel 316L / titanium TC4

Pressure lead-in tube: stainless steel 316L

Pin lead: gilded Kovar

Sealing ring: NBR, Viton (optional)

5.Connection

6.Data measurement acquisition operation

(1) For read and write operations, the master device commands to start, and sends an ACK (acknowledgement) as a slave device to indicate success. The factory address of the slave device is 0x28, and the communication sequence is shown in Figure 3.

                                                                                                    figure 3

(2) Read data sequence is as follows (Figure4, 5)

                                                                                                   figure 4

                                                                                                  figure 5

(3) Read pressure typical value

7.Outline drawing

Range	Outline drawing
-100kPa～10MPa
25MPa～100MPa