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Partname:AD7714ARS-3
Description:0.3-7V; 450mW; CMOS, 500uA, signal conditioning ADC. For poratble industrial intruments, portable weigh scales
Manufacturer:Analog Devices
Package:SOIC
Pins:24
Oper. temp.:-40 to 85
Datasheet:PDF (333K).
Click here to download *)

The AD7714 is a complete analog front end for low-frequency measurement applications. The device accepts low level signals directly from a transducer and outputs a serial digital word. It employs a sigma-delta conversion technique to realize up to 24 bits of no missing codes performance. The input signal is applied to a proprietary programmable gain front end based around an analog modulator. The modulator output is processed by an onchip digital filter. The first notch of this digital filter can be programmed via the on-chip control register allowing adjustment of the filter cutoff and settling time. The part features three differential analog inputs (which can also be configured as five pseudo-differential analog inputs) as well as a differential reference input. It operates from a single supply (+3 V or +5 V). The AD7714 thus performs all signal conditioning and conversion for a system consisting of up to five channels. The AD7714 is ideal for use in smart, microcontroller- or DSPbased systems. It features a serial interface that can be configured *Protected by U.S. Patent No. 5,134,401. See page 39 for data sheet index. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corporation.

Click here to download AD7714ARS-3 Datasheet
Click here to download AD7714ARS-3 Datasheet
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