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AN1646, Noise Considerations for Integrated Pressure SensorsFreescale Semiconductor, Inc.The Integrated Pressure Sensors (IPS) have trimmed outputs, built-in temperature compensation and an amplified single-ended output which make them compatible with Analog to Digital converters (A/D’s) on low cost micro-controllers. Although 8-bit A/D’s are most common, higher resolution A/D’s are becoming increasingly available. With these higher resolution A/D’s, the noise that is inherent to piezo-resistive bridges becomes a design consideration.
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