Overview
The MPXA4115A6U is a high-performance, absolute pressure sensor produced by NXP USA Inc. This sensor is part of the MPX4115A series, designed to measure absolute air pressure in a variety of applications. It integrates on-chip bipolar op-amp circuitry and thin film resistor networks, providing a high output signal and temperature compensation. The sensor is known for its small form factor, high reliability, and advanced micromachining techniques, making it a logical and economical choice for system designers.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Pressure Range | 15 | - | 115 | kPa (2.2 to 16.7 psi) |
| Supply Voltage (VS) | 4.85 | 5.1 | 5.35 | Vdc |
| Supply Current (Io) | - | - | 10 | mA |
| Output Voltage Range | 0.2 | - | 4.8 | V |
| Operating Temperature | -40 | - | 125 | °C |
| Storage Temperature | -40 | - | 125 | °C |
| Maximum Pressure Error | - | - | ±1.5 | kPa |
Key Features
- Integrates on-chip bipolar op-amp circuitry and thin film resistor networks for high output signal and temperature compensation.
- Small form factor and high reliability, making it suitable for various applications.
- Temperature compensated from -40°C to +125°C.
- Durable epoxy unibody element or thermoplastic (PPS) surface mount package.
- Ideally suited for microprocessor or microcontroller-based systems.
- Maximum error of 1.5% over 0° to 85°C.
Applications
- Aviation altimeters.
- Industrial controls.
- Engine control systems.
- Weather stations and weather reporting devices.
Q & A
- What is the pressure range of the MPXA4115A6U sensor? The pressure range is from 15 kPa to 115 kPa (2.2 to 16.7 psi).
- What is the supply voltage range for the MPXA4115A6U? The supply voltage range is from 4.85 Vdc to 5.35 Vdc, with a typical value of 5.1 Vdc.
- What is the output voltage range of the MPXA4115A6U? The output voltage range is from 0.2 V to 4.8 V.
- What is the operating temperature range of the MPXA4115A6U? The operating temperature range is from -40°C to +125°C.
- What type of packaging is available for the MPXA4115A6U? The sensor is available in epoxy unibody or thermoplastic (PPS) surface mount packages.
- Is the MPXA4115A6U temperature compensated? Yes, the sensor is temperature compensated from -40°C to +125°C.
- What are some common applications of the MPXA4115A6U? Common applications include aviation altimeters, industrial controls, engine control systems, and weather stations.
- What is the maximum pressure error of the MPXA4115A6U? The maximum pressure error is ±1.5 kPa.
- How is the output signal of the MPXA4115A6U calculated? The output signal is calculated using the transfer function: Vout = VS x (0.009 x P – 0.095) ± (Pressure Error x Temp. Factor x 0.009 x VS).
- Is the MPXA4115A6U suitable for microprocessor or microcontroller-based systems? Yes, it is ideally suited for such systems due to its high output signal and temperature compensation).
