Maxim Integrated Products introduces MAX12900 4–20mA sensor transmitter

February 122018
Maxim Integrated Products introduces MAX12900 4–20mA sensor transmitter

February 12, 2018— Maxim Integrated Products introduced the MAX12900 4–20mA sensor transmitter. It is designed for applications which include industrial automation and process control, loop-powered 4–20mA current transmitters, remote instrumentation, and smart sensors.

The MAX12900 has a 10ppm/℃ voltage reference for up to 3.5x lower drift compared to traditional solutions. The 5mm x 5mm package size of the MAX12900 integrates 10 optimized building blocks. The addition of an integrated high voltage LDO and power sequencing capability simplifies the power up of the 4–20mA sensor transmitter. Its current consumption for low power requires 250µA of current maximum. The MAX12900 converts pulse width modulation data from a microcontroller into current over a 4–20mA loop with two, three, or four wire configurations. The MAX12900 is available in a 32-pin TQFN package and operates over a wide industrial temperature range of -40℃to +125℃.

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