HomedatasheetAD7705BRUZ

AD7705BRUZ Datasheet

Analog to Digital Converters - ADC
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Description

The AD7705BRUZ /AD7706 are complete analog front ends for low frequency measurement applications. These 2-/3-channel devices can accept low level input signals directly from a transducer and produce serial digital output. The devices employ a Σ-Δ conversion technique to realize up to 16 bits of no missing codes performance. The selected 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 an on-chip control register, allowing adjustment of the filter cutoff and output update rate. AD7705BRUZ Features • AD7705: 2 fully differential input channel ADCs• AD7706: 3 pseudo differential input channel ADCs 16 bits no missing codes 0.003% nonlinearity• Programmable gain front end: gains from 1 to 128 3-wire serial interface• Ability to buffer the analog input• 2.7 V to 3.3 V or 4.75 V to 5.25 V operation• Power dissipation 1 mW maximum @ 3 V• Standby current 8 μA maximum• 16-lead PDIP, 16-lead SOIC, and 16-lead TSSOP packages
Features

Parameters

[{"Name":"Number of Channels ","Value":"2"},{"Name":"Architecture","Value":"Sigma-Delta"},{"Name":"Conversion Rate","Value":"500 SPs"},{"Name":"Resolution","Value":"16 bit "},{"Name":"Input Type","Value":"Differential"},{"Name":"SNR","Value":"116 dB"},{"Name":"Interface Type","Value":"Serial (3-Wire, SPI, QSPI, Microwire)"},{"Name":"Operating Supply Voltage","Value":"5 V "},{"Name":"Maximum Operating Temperature ","Value":"+ 85 C "},{"Name":"Package / Case","Value":"TSSOP-16 "}]

Manufacturer information

ROHM
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