CPS123 Supply Voltage 2V To 5.5V 30-130kPa Digital Output Pressure Transducer

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Operating Characteristics

Electrical Parameters

• Supply Current
• Average Supply Current (Iavg): 3.95 µA (VDD = 3V);Supply Current During Conversion (Isc): 1.5 mA (VDD = 3V);Standby Supply Current (Iss): 0.2 µA (VDD = 3V)
• Analog to Digital Converter (ADC)
• Resolution (rADC): 24 bits;I2C Clock Frequency (FC,I2C): 400 kHz

Operating Conditions

• Pressure Sensor
• Range: 30 to 130 kPa (300 to 1300 mbar);Resolution: 0.001 kPa (0.01 mbar);Accuracy:70 to 115 kPa @ 0°C to 50°C: ±0.25 kPa (±2.5 mbar);70 to 115 kPa @ 25°C: ±0.2 kPa (±2.0 mbar)
• Temperature Sensor
• Range: -40°C to +85°C;Resolution: 0.003°C;Accuracy: ±0.75°C from -40°C to +85°C

Operation

• Supply Voltage to GND: 2.0V to 5.5V (Factory calibrated for Pressure and Temperature at 3.0V ±10%. Output accuracy may vary outside this range.)
• Operating Temperature Range: -40°C to +85°C
• I2C Pull-Up Resistors: 1 to 2.2 kΩ

Absolute Ratings

• Over Pressure: Up to 2 times Full Scale (FS)
• Supply Voltage: -0.3V to 6.5V (with respect to GND)
• Voltages at Analog and Digital I/O Pins (VA_IO, VD_IO): -0.3V to VDD + 0.3V
• Storage Temperature: -60°C to +150°C

Overview

The CPS123 is a System-in-a-Package (SIP) solution integrating a resistive bridge type pressure sensor with a 24-bit ADC, designed to deliver high-resolution and accurate pressure measurements. It features fully calibrated pressure and temperature compensated digital output, eliminating the need for complex compensation calculations by the host microcontroller.