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AD7730 - Bridge Transducer ADC

General Description

The AD7730 is a complete analog front end for weigh-scale and pressure measurement applications.

The device accepts lowlevel signals directly from a transducer and outputs a serial digital word.

Key Features

  • Resolution of 230,000 Counts (Peak-to-Peak) Offset Drift: 5 nV/؇C Gain Drift: 2 ppm/؇C Line Frequency Rejection: >150 dB Buffered Differential Inputs Programmable Filter Cutoffs Specified for Drift Over Time Operates with Reference Voltages of 1 V to 5 V.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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a Bridge Transducer ADC KEY FEATURES Resolution of 230,000 Counts (Peak-to-Peak) Offset Drift: 5 nV/؇C Gain Drift: 2 ppm/؇C Line Frequency Rejection: >150 dB Buffered Differential Inputs Programmable Filter Cutoffs Specified for Drift Over Time Operates with Reference Voltages of 1 V to 5 V ADDITIONAL FEATURES Two-Channel Programmable Gain Front End On-Chip DAC for Offset/TARE Removal FASTStep™ Mode AC or DC Excitation Single Supply Operation APPLICATIONS Weigh Scales Pressure Measurement GENERAL DESCRIPTION The AD7730 is a complete analog front end for weigh-scale and pressure measurement applications. The device accepts lowlevel signals directly from a transducer and outputs a serial digital word.