EVAL-AD7781EBZ Single Channel A/D Converters by Analog Devices

Single Channel A/D Converters
Status: Production
Series: AD7781
RoHS: Compliant
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The AD7781 is a complete low power front-end solution for bridge sensor products, including weigh scales, strain gages, and pressure sensors. It contains a precision low power 20-bit sigma-delta (Σ-Δ) ADC, an on-chip, low noise programmable gain amplifier (PGA), and an on-chip oscillator.Consuming only 330 μA, the AD7781 is particularly suitable forportable or battery-operated products where very low power is required. The AD7781 also has a power-down mode that allows the user to switch off the power to the bridge sensor and power down the AD7781 when not converting, thus increasing the battery life of the product.For ease of use, all the features of the AD7781 are controlled bydedicated pins. Each time that a data read occurs, eight status bits are appended to the 20-bit conversion. These status bits contain a pattern sequence that can be used to confirm the validity of the serial transfer.The on-chip PGA has a gain of 1 or 128, supporting a full-scaledifferential input of ±5 V or ±39 mV. The device has two filter response options. The filter response at the 16.7 Hz update rate provides superior dynamic performance. The settling time is 120 ms at this update rate. At the 10 Hz update rate, the filter response provides better than -45 dB of stop-band attenuation. In load cell

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Alternative Descriptions

evaluation board i.c. | Analog Devices
LINEAR ICS - EVALUATION BOARD | Richardson RFPD

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Additional datasheets, footprints and schematics for EVAL-AD7781EBZ are listed on our Part Details page. You can also find images and similar parts to EVAL-AD7781EBZ on this page.

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What category does EVAL-AD7781EBZ fall under?

The EVAL-AD7781EBZ is listed under Single Channel A/D Converters.

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Is the EVAL-AD7781EBZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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