Maxim MX7705 Manuel d'utilisateur télécharger pdf (Page 20)

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•22 bits noise free range @ 10SPS, 3.3V FS

• Allows customers to simplify external (OpAmp) signal conditioning

• 300uA operating current @ 10SPS

• Safe operating margin for the current consumption budget allowed for

devices powered by the 4-20 mA network

• 4 SPI-controlled digital outputs for external MUX control

• Low control pin count convenient when ADC is near probe tip or connected

to uC via Flex cable

• Fully differential analog inputs

• 3V analog supply; 3V or 1.8V digital interface supply

• Fully differential voltage reference inputs

• Optional input buffering

• Internal 2 MHz clock generator or external clock interface

• SPI compatible serial interface

• Self-calibrating routine for offset and gain, can be user-initiated

• User programmable offset and gain registers

• 24bit full scale resolution

• Power down and sleep modes

MAX11200 24 Bit Delta sigma

Ultra Low Power with SPI Interface

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Maxim MX7705 Manuel d'utilisateur Page 20