MPMT10012502FT1

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MPMT10012502FT1, belonging to the resistor networks, arrays family is a high precision, low power, CMOS, 4-20mA current transmitter designed for industrial automation applications. It includes a 4-20mA transmitter, thermocouple input, an MUX, an I2C interface, a RTD input and an analog output.

Application field

MPMT10012502FT1 are used in a variety of applications such as industrial automation, motors and drives, process control, data acquisition, embedded systems, etc. It is ideal for panel monitoring, motion control,level measurement, pressure measurement, temperature measurement and signal conditioning where accuracy and reliability are demanding.

The device is widely used in industrial applications involving temperature, pressure, and current/voltage sensing. It can be used in a variety of applications, including process control, data acquisition, embedded systems, and motors and drives. The on-chip 4-20mA transmitter, thermocouple input, and multiplexer enable the device to interface directly with a variety of industrial control systems.

Working Principle

MPMT10012502FT1 is powered by a single +3.3V supply, and includes a 4-20mA transmitter, a MUX, an I2C interface, a RTD input, and an analog output. It is programmable for either 4-20mA current loop output or voltage output,and provides excellent accuracy (±0.1%) and noise immunity.

The 4-20mA transmitter consists of a voltage reference reference and an amplifier. The voltage reference source is a band gap reference voltage that provides a stable reference voltage for the device. The amplifier is used to convert the analog input to a digital 4-20mA signal. The RTD and thermocouple input is an analog input that is amplified and attenuated by the amplifier, and then converted to a digital 4-20mA signal as well.

The MUX provides multiple input connections and is used to route data between the RTD and thermocouple inputs to the amplifier, as well as route data between the amplifier and the 4-20mA transmitter. The I2C interface is used to configure the MPMT10012502FT1 for different applications and to configure the multiplexer for routing data.

The 4-20mA output is the main output of the device, providing a 4-20mA signal that can be used to drive a wide range of applications. The RTD and thermocouple inputs allow the user to easily connect a variety of sensors and measure temperature, pressure, and current/voltage. The analog output allows the user to monitor the input signal, or to add additional features to the device. The analog output can be configured for direct data capture, or for peak/valley capture.

In conclusion, MPMT10012502FT1 is a high precision, low power, CMOS, 4-20mA current transmitter designed for industrial automation applications. It offers excellent accuracy and noise immunity for a variety of applications requiring precise measurement and control. It features a 4-20mA transmitter, a MUX, an I2C interface, a RTD input, and an analog output.

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