TIPD154

This TI Precision Verified Design provides the theory, component selection, and simulation for a single-supply, low-power signal conditioning circuit designed to translate a +/-5 V input signal to the proper input range of a single-supply low-power 16-Bit ΔΣ ADC such as the one inside the MSP430 or other similar single-supply ADCs.  A zero-drift op amp was selected to provide excellent dc performance in the attenuation and level-shifting circuit.  Two low-power reference circuits are used to provide power, the ADC reference voltage, and biasing to the input conditioning circuit.

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