MPXHZ6115A6U vs MPXH6250A6U
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| Category | Pressure Sensors, Transducers | Pressure Sensors, Transducers |
| Manufacturer | NXP USA Inc. | NXP USA Inc. |
| Description | SENSOR ABS PRESS 16.7PSI MAX | SENSOR ABS PRESS 36PSI MAX |
| Package | 8-SOIC (0.295", 7.50mm Width) | 8-SOIC (0.295", 7.50mm Width) |
| Series | MPXHZ6115A | MPXH6250A |
| Features | Temperature Compensated | Temperature Compensated |
| Voltage - Supply | 4.75 V ~ 5.25 V | 4.74 V ~ 5.46 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Package / Case | 8-SOIC (0.295", 7.50mm Width) | 8-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 8-SSOP | 8-SSOP |
| Output | 0.2 V ~ 4.7 V | 0.3 V ~ 4.9 V |
| Accuracy | ±1.5% | ±1.5% |
| Output Type | Analog Voltage | Analog Voltage |
| Termination Style | PCB | PCB |
| Pressure Type | Absolute | Absolute |
| Operating Pressure | 2.18 PSI ~ 16.68 PSI (15 kPa ~ 115 kPa) | 2.9 PSI ~ 36.26 PSI (20 kPa ~ 250 kPa) |
| Port Style | No Port | No Port |
| Maximum Pressure | 58.02 PSI (400 kPa) | 145.04 PSI (1000 kPa) |
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1. What is a pressure sensor?
A pressure sensor is a device that can convert a pressure signal into an electrical signal and is widely used in various industrial automatic control environments. It usually consists of a pressure sensitive element and a signal processing unit, which can sense the pressure signal and convert it into a usable output electrical signal according to a certain rule.
Definition and function
The basic concept of a pressure sensor is to convert a pressure signal into an electrical signal for subsequent signal processing and control. The working principle of a pressure sensor is mainly based on physical phenomena such as piezoelectric effect, strain effect and capacitance effect. The piezoelectric effect refers to the fact that certain materials generate electric charge when subjected to pressure; the strain effect refers to the deformation of the material when subjected to pressure, thereby changing the resistance value; the capacitance effect refers to the change in capacitance value caused by pressure change.
Classification
According to the working principle and structural characteristics, pressure sensors can be divided into the following categories:
Piezoresistive pressure sensor: based on the strain effect, usually made of semiconductor materials.
Piezoelectric pressure sensor: based on the piezoelectric effect, usually made of crystal or ceramic materials.
Capacitive pressure sensor: based on the capacitance effect, composed of two conductors and an insulating medium.
Fiber optic pressure sensor: uses the light transmission characteristics of optical fiber to convert pressure signals into optical signals. -
2. Is a transducer a sensor?
A transducer is not a sensor. Although both sensors and transducers are devices for measuring physical quantities, they have obvious differences in definition and application.
Definition and function
Sensor: A sensor is a device that converts non-electrical signals into electrical signals. It is usually used to convert physical quantities (such as temperature, pressure, humidity, light intensity, etc.) into electrical signals. Sensors are widely used in industry, medical care, environmental monitoring and other fields.
Transducer: A transducer is a device that converts one form of energy into another form. It can convert any form of physical quantity (such as pressure, force, torque, displacement, sound, light, heat, etc.) into electrical signals or other forms of energy output. Transducers are widely used in the control, measurement and detection of various industrial processes.
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3. Application field
Sensor: Mainly used for industrial process control and monitoring, equipment control and monitoring in the fields of automobiles, machinery, electronics, medical equipment, aerospace, etc., as well as environmental monitoring and weather forecasting.
Transducers: Mainly used in exploration and production processes in the fields of ocean, petroleum, aviation, energy, etc., engineering measurement and control fields (such as monitoring and control of structures such as buildings, bridges and tunnels), scientific research fields (such as physics, chemistry, biology, etc.), and music and art fields (such as electronic musical instruments and sound amplifiers). -
4. What is the difference between a transducer and a sensor?
Sensors and transducers are two different concepts. A sensor is a device that converts non-electrical signals into electrical signals, while a transducer is a device that converts one form of energy into another form.
1. Definition of sensors and transducers
Both sensors and transducers are devices that measure physical quantities.
A sensor is a device that converts non-electrical signals into electrical signals, and is usually used to convert physical quantities into electrical signals, such as temperature, pressure, humidity, light intensity, etc. Sensors are widely used in industry, medical care, environmental monitoring and other fields.
A transducer is a device that converts one form of energy into another. A transducer can convert any form of physical quantity (such as pressure, force, torque, displacement, sound, light, heat, etc.) into electrical signals or other forms of energy output. The application field of transducers is also very wide, and they are often used to detect, control and measure various industrial processes.
2. The difference between sensors and transducers
The main difference between sensors and transducers is which signal they convert into which signal. Sensors mainly convert non-electrical signals into electrical signals, while transducers can convert any form of signal into other forms of energy, such as electrical signals or mechanical motion.
In addition, the application fields of sensors and transducers are also different. Sensors are mainly used to detect, monitor and measure various physical quantities, such as temperature, pressure, humidity, light intensity, etc.; while transducers are widely used to control, measure and detect various industrial processes, such as flow, speed, force, pressure and displacement, etc.
3. Application fields of sensors and transducers
Sensors and transducers have a wide range of applications. Sensors are usually used in the following fields:
1. Industrial process control and monitoring.
2. Equipment control and monitoring in the fields of automobiles, machinery, electronics, medical equipment, aerospace, etc.
3. Environmental monitoring and weather forecasting.
4. Home automation and smart home fields.
Transducers are mainly used in the following fields:
1. Exploration and production processes in the fields of ocean, petroleum, aviation, energy, etc.
2. Engineering measurement and control fields, such as monitoring and control of structures such as buildings, bridges and tunnels.
3. Scientific research fields, such as physics, chemistry, biology, etc.
4. Music and art fields, such as electronic musical instruments and sound amplifiers, etc.
