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A New Approach to Circuit Breaker Design Using Silicon Carbide Switches - Nov 21
Mechanical circuit breakers can be low cost with minimal losses, but they operate slowly and wear out. Solid state versions overcome the problems and are becoming increasing viable as replacements at...
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Sensor interface offers high channel count for infrastructure
The sensor interface from Exar provides 14bit signal path linearity and is designed to connect analog sensors to a microcontroller or FPGA with an embedded ADC.

The onboard 10bit DAC offers ±560mV of offset correction and has an independent offset value for each of the eight differential inputs. The programmable gain instrumentation amplifier offers eight fixed-gain settings (from 2.0 to 760V/V), ensuring the amplified sensor signal falls within the optimum input range of the downstream ADC, claims the company. The integrated LDO provides a regulated 3.0 or 2.65V voltage to power the sensors. The device is controlled via an I2C serial interface and typically consumes 457µA of supply current and offers a sleep mode which reduces the supply current to 45µA.

It is available in a RoHS-compliant, halogen free QFN package.

 




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