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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Download the test file for TIPD154Title | Updated | Type | Size (KB) | |
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TIPD154 Gerber | 10 Jul 2014 | ZIP | 322 | |
TIPD154 BOM | 10 Jul 2014 | 90 | ||
TIPD154 Schematic | 10 Jul 2014 | 86 |