Compact and Durable Digital Output Pressure Sensor for Long-Term Pressure Monitoring

CPS135B is based on SIP (System in Package) solution, consisting of a bridge silicon piezoresistive chip and calibrated with 24 bit numbers
Composed of processing output chips, providing high-resolution and highly accurate pressure measurement. After full range pressure calibration and temperature compensation
CPS135B can provide customers with very simple digital outputs. The digital to analog conversion unit is calibrated by an internal logic,
By directly accessing the I2C interface, the measurement results of pressure and temperature can be read very accurately. No need for additional separate downloads
Internal logic correction coefficients and access to the main processor to perform complex compensation operations.

Benefits

• Low Power Consumption: Ideal for battery-operated and other low-power applications, enhancing energy efficiency.
• No External Clock Required: Simplifies the design and reduces component count.
• High Resistance to Sensing Media: Suitable for a variety of environments and applications without compromising accuracy or durability.

Features

• Factory Calibrated: The sensor is pre-calibrated for both pressure and temperature, ensuring accuracy and saving time in the setup process.
• Supply Voltage: Operates within a range of 2V to 5.5V, with a typical voltage of 3V, providing flexibility in different power scenarios.
• Current Consumption: Very low power usage with <5µA for one measurement, and an ultra-low sleep state current of <200nA at 25°C, prolonging battery life.
• Operating Temperature Range: Functional in a wide temperature range from -40°C to +85°C, making it versatile for various environmental conditions.
• Pressure Accuracy: High precision with an accuracy of ±0.3kPa (±3.0mbar) at 25°C, ensuring reliable pressure measurements.
• Temperature Accuracy: Accurate temperature readings with an accuracy of ±1.0°C.

Interfaces

• I²C Compatible: Supports I²C communication protocol with speeds up to 400kHz, facilitating easy integration with microcontrollers and other devices.

Physical Characteristics

• Small Form Factor: Compact design with dimensions of 4.5 x 4.5 x 3.5mm (width x length x height), suitable for space-constrained applications.
• SMD, 6 Lead: Surface Mount Device with 6 leads, allowing for straightforward PCB integration.
• Ceramic Substrate: Ensures durability and reliability, particularly in harsh environmental conditions.