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AD7715

Analog to Digital Converters - ADC 16-BIT SIGMA DELTA ADC I.C.

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

AD7715
Datasheet:

AD7715 Datasheet (PDF)
Interface Type:

3-Wire, QSPI, SPI
Factory Pack Quantity:

25
EDA/CAD Models:

Request Free CAD Models for AD7715

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AD7715 General Description

GENERAL DESCRIPTIONThe AD7715 is a complete analog front end for low frequency measurement applications. The part can accept low level input signals directly from a transducer and outputs a serial digital word. It employs a Σ-Δ conversion technique to realize up to 16 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 on-chip 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 output update rate. FEATURES Charge-balancing ADC 16-bits no missing codes 0.0015% nonlinearity Programmable gain front end Gains of 1, 2, 32 and 128 Differential input capability Three-wire serial interface SPI-, QSPI™-, MICROWIRE™-, and DSP-compatible Ability to buffer the analog input 3 V (AD7715-3) or 5 V (AD7715-5) operation Low supply current: 450 µA maximum @ 3 V supplies Low-pass filter with programmable output update 16-lead SOIC/PDIP/TSSOP

Specifications

Product Category	Analog to Digital Converters - ADC	Series	AD7715
Interface Type	3-Wire, QSPI, SPI	Product Type	ADCs - Analog to Digital Converters
Factory Pack Quantity	25	Subcategory	Data Converter ICs