Overview
The MPX53GP is a silicon piezoresistive pressure sensor produced by NXP USA Inc. This sensor is part of the MPX53 series, known for its cost-effective and uncompensated design, allowing users to add their own external compensation if needed. It provides a very accurate and linear voltage output that is directly proportional to the applied pressure, making it suitable for a variety of applications requiring precise pressure measurements.
Key Specifications
| Characteristic | Min | Typ | Max | Units |
|---|---|---|---|---|
| Pressure Range | 0 | 50 kPa (7.25 psi) | kPa (psi) | |
| Supply Voltage | 3.0 | 6.0 | VDC | |
| Supply Current | 6.0 | mAdc | ||
| Full Scale Span | 45 | 60 | 90 | mV |
| Offset | 0 | 20 | 35 | mV |
| Sensitivity | 1.2 | mV/kPa | ||
| Linearity | -0.6 to 0.4 | %VFSS | ||
| Pressure Hysteresis | ±0.1 | %VFSS | ||
| Temperature Hysteresis | ±0.5 | %VFSS | ||
| Temperature Coefficient of Full Scale Span | -0.22 | -0.16 | %VFSS/°C | |
| Temperature Coefficient of Offset | ±15 | µV/°C | ||
| Input Impedance | 355 | 505 | Ω | |
| Output Impedance | 750 | 1875 | Ω | |
| Response Time (10% to 90%) | 1.0 | ms | ||
| Warm-Up Time | 20 | ms |
Key Features
- Linear Voltage Output: The sensor provides a very accurate and linear voltage output directly proportional to the applied pressure.
- Uncompensated Design: Allows users to add their own external compensation if needed.
- Compact Package: Available in a small outline package (4-SIP module) for space-efficient designs.
- Wide Operating Range: Operates within a supply voltage range of 3.0 to 6.0 VDC.
- Low Power Consumption: Supply current is typically 6.0 mA.
- High Sensitivity and Linearity: Sensitivity of 1.2 mV/kPa and linearity of -0.6 to 0.4 %VFSS.
Applications
- Air Movement Control: Used in systems that require precise air flow measurements.
- Environmental Control Systems: Suitable for monitoring and controlling environmental conditions.
- Level Indicators: Can be used to measure liquid or gas levels.
- Leak Detection: Effective in detecting leaks in various systems.
- Medical Instrumentation: Used in medical devices that require accurate pressure measurements.
- Industrial Controls: Applied in industrial automation and control systems.
- Pneumatic Control Systems: Used in pneumatic systems for precise pressure control.
- Robotics: Integrated into robotic systems for various pressure-related tasks.
Q & A
- What is the pressure range of the MPX53GP sensor?
The MPX53GP sensor has a pressure range of 0 to 50 kPa (0 to 7.25 psi). - What is the typical supply voltage for the MPX53GP?
The typical supply voltage is 3.0 VDC, with an operating range of 3.0 to 6.0 VDC. - What is the full scale span of the MPX53GP?
The full scale span is typically 60 mV, ranging from 45 to 90 mV. - What is the sensitivity of the MPX53GP?
The sensitivity is 1.2 mV/kPa. - What are the key applications of the MPX53GP?
The sensor is used in air movement control, environmental control systems, level indicators, leak detection, medical instrumentation, industrial controls, pneumatic control systems, and robotics. - What is the response time of the MPX53GP?
The response time is typically 1.0 ms (10% to 90%). - Is the MPX53GP RoHS compliant?
While the specific RoHS compliance of the MPX53GP is not mentioned, many NXP products are designed to be RoHS compliant. - What is the operating temperature range of the MPX53GP?
The operating temperature range is not explicitly stated for the MPX53GP, but similar NXP sensors often operate within -40°C to 125°C. - What is the input impedance of the MPX53GP?
The input impedance ranges from 355 to 505 Ω. - What is the output impedance of the MPX53GP?
The output impedance ranges from 750 to 1875 Ω.
