Resistive Bridge SIP Digital Output Pressure Sensor High Resolution

CPS122 Noise in Pressure Full Bandwidth, Normal Mode Altitude Based on Relative Pressure 1 10Pa cm

Years of production experience, technology is more professional
Mainly promote CPS121, CPS135B, CPS171, CAFS3000
CAF S4000,CAFS5008B

Overview

The CPS122 system-in-a-package (SIP) solution is a high resolution pressure sensor that includes a resistive bridge type pressure sensor and a 24-bit ADC. It offers fully calibrated pressure and temperature compensated digital outputs, simplifying integration and use. The sensor includes internal calibration logic, providing accurate measurements via the I²C interface without requiring the host microcontroller to perform complex compensation calculations.

Benefits

• Low Power Consumption: Ideal for battery-operated devices.
• Excellent for Battery Applications: Prolongs battery life due to efficient power usage.
• External Clock Not Required: Simplifies system design and integration.
• High Resistance to Sensing Media: Ensures durability and reliability in various environments.

Features

• Factory Calibrated: Ensures accurate pressure and temperature measurements out of the box.
• Supply Voltage: 2V to 5.5V (typical 3V).
• Average Current Consumption: <5 µA per measurement.
• Sleep State Current Consumption: <200 nA at 25°C.
• Operating Temperature Range: -40°C to +85°C.
• Pressure Absolute Accuracy: ±0.1 kPa (±1.0 mbar) from 0°C to 50°C, 95 kPa to 105 kPa.
• Pressure Relative Accuracy: ±0.01 kPa (<1 meter).
• Temperature Accuracy: ±1.0°C.

Electrical Characteristics

Interfaces

• I²C Interface: Supports data rates up to 400 kHz.

Physical Characteristics

• Form Factor: Compact size of 3 x 3 x 1.2 mm (w x l x h).
• Package: LGA package with 8 leads.
• Sensing Port: Top side sensing.

Applications

1. Smartphones: Enhances environmental sensing capabilities.
2. Wearables: Suitable for health and fitness tracking devices.
3. Altimeters: Provides precise altitude measurements.
4. Portable and Stationary Barometers: Measures atmospheric pressure accurately.
5. Weather Stations: Essential for meteorological data collection.
6. GPS Applications: Improves positional accuracy with altitude data.
7. Hard Disk Drives (HDD): Monitors internal pressure to ensure optimal operation.
8. Industrial Equipment: Suitable for pressure monitoring and control.
9. Air Control Systems: Integral part of systems managing air flow and pressure.
10. Vacuum Systems: Monitors and controls pressure in vacuum environments.