MPS20N0040D-D Air Pressure Sensor 0-40kPa DIP-6

MPS20N0040D-D Air Pressure Sensor 0-40kPa DIP-6 is a high-precision, piezo-resistive pressure transducer designed for measuring air and gas pressure in various industrial and consumer electronics applications. This compact sensor utilizes a specialized silicon chip that translates mechanical pressure into a measurable millivolt signal. Consequently, it provides an ideal solution for systems requiring accurate monitoring within the 0 to 40kPa range. Furthermore, its standardized DIP-6 package ensures seamless integration into printed circuit boards and breadboards alike. Therefore, you should select this sensor for projects involving non-corrosive gases where reliability and cost-efficiency are paramount.

Key Features:

• High Sensitivity: The piezo-resistive bridge delivers a clear millivolt output proportional to the applied pressure.
• Broad Operating Range: This device measures pressures from 0 to 40kPa, covering many pneumatic and low-pressure fluidic requirements.
• Compact DIP-6 Package: Its standard dual in-line footprint facilitates easy mounting and space-saving board layouts.
• Solid State Reliability: Since the sensor uses MEMS technology, it offers long-term stability and resistance to mechanical wear.
• Wide Temperature Range: The sensor maintains its performance across a wide span of environmental conditions, making it suitable for industrial use.

Technical Specifications:

• Pressure Range: 0 to 40 kPa (approx. 5.8 PSI)
• Excitation Voltage: Typically 5 V_DC (up to 10 V_DC maximum)
• Input Impedance: 4 kΩ to 6 kΩ
• Output Impedance: 4 kΩ to 6 kΩ
• Bridge Resistance: ≈ 5 kΩ
• Full Scale Output: 50 mV to 100 mV (depending on excitation)
• Operating Temperature: −40°C to +125°C
• Accuracy: ±0.3% to ±0.5% span (non-linearity)

Mechanical Specifications:

• Housing Material: High-grade plastic casing
• Measuring Medium: Non-corrosive air and dry gases
• Mounting Style: Through-hole (DIP-6)
• Nozzle Diameter: ≈ 2.5 mm for flexible tubing connection

Dimensions:

• Total Height: ≈ 13.5 mm (including nozzle and pins)
• Base Width: ≈ 10 mm
• Base Length: ≈ 10 mm
• Pin Pitch: 2.54 mm (Standard DIP spacing)
• Pin Row Spacing: ≈ 8.5 mm

Pinout and Wiring:

• Pin 1 (GND): Connect to the ground rail of your circuit.
• Pin 2 (Output +): Provides the positive differential signal output.
• Pin 3 (VCC): Connect to the 5V power supply for excitation.
• Pin 4 (Output -): Provides the negative differential signal output.
• Pin 5 & 6 (N/C): These pins typically serve as internal connections or are left unused.
• Wiring Note: However, most applications require an instrumentation amplifier or an HX711 module to boost the small millivolt signal for microcontroller reading.

Datasheet Reference:

• Download MPS20N0040D Pressure Sensor Datasheet

Commonly Used in:

• Arduino Pressure Systems: Hobbyists frequently pair this sensor with an ADC to build digital barometers or fluid level monitors.
• Medical Devices: Furthermore, it is often found in blood pressure monitors and respiratory assist equipment.
• Pneumatic Control: Used in industrial systems to monitor tank levels or air pressure in small pneumatic lines.

Applications:

• Blood Pressure Monitoring: Integrating into wearable or portable medical diagnostic tools.
• Environment Control: Monitoring HVAC air flow and filter conditions in clean rooms.
• Water Level Sensing: Measuring the pressure at the bottom of a tube to determine the height of a liquid column.
• Process Control: Ensuring stable air pressure in automated pick-and-place machinery.

Equivalent Models:

• MPX10DP / MPX50DP: These Freescale/NXP sensors offer similar differential pressure measuring capabilities.
• XGZP Series: A range of surface mount and DIP sensors that however, may require different calibration constants.
• Honeywell ABP Series: High-end industrial alternatives with integrated amplification and compensation.

Package Includes:

• 1 x MPS20N0040D-D Air Pressure Sensor 0-40kPa DIP-6