Mouser Electronic is shipping the MAX12900 sensor transmitter analog front end (AFE) from Maxim Integrated. With ultra-low power consumption of just 170 µA (typical) and a 5 mm × 5 mm footprint, the highly integrated sensor transmitter reduces space by up to 20 percent and power up to 50 percent compared to other 4 – 20 mA loop solutions.
The Maxim MAX12900 sensor transmitter stocked by Mouser Electronics enables increased system accuracy with 10 ppm per degree Celsius voltage reference and 0.01 percent maximum error. The ultra-low power transmitter converts PWM data from a microcontroller into current over a 4 – 20 mA loop, supporting two-, three- and four-wire configurations.
The MAX12900 available from Mouser integrates ten building blocks to help engineers optimize functionality and performance: a low-dropout (LDO) regulator; two conditioner circuits for PWM inputs; two low-power, low-drift general-purpose operational amplifiers; a wide-bandwidth, zero-offset drift operational amplifier; two diagnostic comparators; power-up sequencer; and a low-drift voltage reference.
The MAX12900 sensor transmitter is supported by the MAX12900 evaluation kit, which includes an evaluation board and graphic user interface to enable USB communication between the target device and a PC. The transmitter is ideal for smart sensors and remote instrumentation in industrial automation and process control.
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