Overview
The MPXHZ6400AC6T1128 is an integrated silicon pressure sensor produced by NXP Semiconductors. This sensor is part of the MPXHZ6400A series and is designed to measure absolute pressure in the range of 20 to 400 kPa (approximately 3 to 58 psi). It features on-chip signal conditioning, including bipolar op-amp circuitry and thin film resistor networks, which provide a high output signal and improved accuracy, especially at high temperatures.
The sensor is temperature compensated from -40°C to +125°C, making it suitable for a wide range of applications. It is packaged in a durable thermoplastic (PPS) surface mount package, which is resistant to various environmental conditions.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Pressure Range | POP | 20 | 400 | kPa | |
| Supply Voltage | VS | 4.64 | 5.0 | 5.36 | VDC |
| Supply Current | IO | 10 | mAdc | ||
| Maximum Pressure | PMAX | 1600 | kPa | ||
| Storage Temperature | TSTG | -40 | +125 | °C | |
| Operating Temperature | TA | -40 | +125 | °C | |
| Output Source Current @ Full Scale Output | IO+ | 0.5 | mAdc | ||
| Output Sink Current @ Minimum Pressure Offset | IO- | -0.5 | mAdc | ||
| Minimum Pressure Offset (0 to 85°C) @ VS = 5.0 Volts | Voff | 0.133 | 0.2 | 0.267 | Vdc |
| Full Scale Output (0 to 85°C) @ VS = 5.0 Volts | VFSO | 4.733 | 4.8 | 4.866 | Vdc |
| Full Scale Span (0 to 85°C) @ VS = 5.0 Volts | ±1.5 %VFSS | ||||
| Sensitivity | V/P | 12.1 | mV/kPa | ||
| Response Time | tR | 1.0 | ms | ||
| 20 | ms | ||||
| Offset Stability | ±0.25 | %VFSS |
Key Features
- High Output Signal: The sensor integrates on-chip bipolar op-amp circuitry and thin film resistor networks to provide a high output signal.
- Temperature Compensation: Temperature compensated from -40°C to +125°C, ensuring stable performance across a wide temperature range.
- Durable Packaging: Packaged in a durable thermoplastic (PPS) surface mount package, which is resistant to various environmental conditions.
- Improved Accuracy: Features improved accuracy at high temperatures, with a maximum error of 1.5% over 0° to 85°C.
- Ideal for Microprocessor/Microcontroller Systems: Ideally suited for microprocessor or microcontroller-based systems due to its ratiometric output.
- Fast Response Time: Response time is defined as the time for the incremental change in the output to go from 10% to 90% of its final value, which is 1.0 ms.
- Low Warm-Up Time: Warm-up time is 20 ms, allowing the sensor to quickly meet the specified output voltage after pressure stabilization.
Applications
- Fuel Injected Car Engines: Suitable for use in fuel injected car engines due to its high accuracy and temperature stability.
- Vehicles Powered by Green Gases: Ideal for vehicles powered by liquefied petroleum gas (LPG) and compressed natural gas (CNG).
- Small Engines: Used in small engine applications where precise pressure measurement is critical.
- Industrial Controls: Applied in various industrial control systems where accurate pressure sensing is required.
- Remote Sensing Applications: Can be used for remote sensing applications with tube attachment options.
Q & A
- What is the pressure range of the MPXHZ6400AC6T1128 sensor?
The pressure range of the MPXHZ6400AC6T1128 sensor is 20 to 400 kPa (approximately 3 to 58 psi).
- What is the operating temperature range of the sensor?
The operating temperature range of the sensor is -40°C to +125°C.
- What is the supply voltage range for the sensor?
The supply voltage range for the sensor is 4.64 to 5.36 VDC.
- What is the maximum output current of the sensor?
The maximum output current of the sensor is 0.5 mA DC.
- What is the response time of the sensor?
The response time of the sensor is 1.0 ms.
- What is the warm-up time of the sensor?
The warm-up time of the sensor is 20 ms.
- What is the maximum error over the temperature range of 0° to 85°C?
The maximum error over the temperature range of 0° to 85°C is 1.5%.
- Is the sensor suitable for microprocessor or microcontroller-based systems?
Yes, the sensor is ideally suited for microprocessor or microcontroller-based systems due to its ratiometric output.
- What type of packaging does the sensor use?
The sensor is packaged in a durable thermoplastic (PPS) surface mount package.
- What are some typical applications of the MPXHZ6400AC6T1128 sensor?
Typical applications include fuel injected car engines, vehicles powered by green gases, small engines, industrial controls, and remote sensing applications.
