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AD7724 - Dual CMOS Modulators

General Description

This device consists of two seventh order sigma-delta modulators.

Each modulator converts its analog input signal into a high speed 1-bit data stream.

Key Features

  • 13 MHz Master Clock Frequency 0 V to +2.5 V or ؎ 1.25 V Input Range Single Bit Output Stream 90 dB Dynamic Range Power Supplies AVDD, DVDD: 5 V␣ ؎ 5% DVDD1: 3 V ؎ 5% Logic Outputs 3 V/5 V Compatible On-Chip 2.5 V Voltage Reference 48-Lead LQFP Dual CMOS ⌺-⌬ Modulators AD7724.

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Other Datasheets by Analog Devices

Part Number Description
AD7720 CMOS Sigma-Delta Modulator
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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 FEATURES 13 MHz Master Clock Frequency 0 V to +2.5 V or ؎ 1.25 V Input Range Single Bit Output Stream 90 dB Dynamic Range Power Supplies AVDD, DVDD: 5 V␣ ؎ 5% DVDD1: 3 V ؎ 5% Logic Outputs 3 V/5 V Compatible On-Chip 2.5 V Voltage Reference 48-Lead LQFP Dual CMOS ⌺-⌬ Modulators AD7724 FUNCTIONAL BLOCK DIAGRAM REF1 REF2A 2.5V REFERENCE REF2B AD7724 AVIN(+) AVIN(–) ⌺-⌬ MODULATOR A ADATA SCLK BVIN(+) BVIN(–) ⌺-⌬ MODULATOR B BDATA XTAL OFF CLOCK CIRCUITRY XTAL1 XTAL2/MCLK DVAL MZERO GC BIP CONTROL LOGIC GENERAL DESCRIPTION STBY RESET This device consists of two seventh order sigma-delta modulators. Each modulator converts its analog input signal into a high speed 1-bit data stream. The part operates from a 5 V power supply and accepts a differential input range of 0 V to +2.