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AD7723 - 16-Bit 1.2 MSPS CMOS Sigma-Delta ADC

General Description

The AD7723 is a complete 16-bit, sigma-delta ADC.

The part operates from a +5␣ V supply.

The analog input is continuously sampled, eliminating the need for an external sample-and-hold.

Key Features

  • 16-Bit Sigma-Delta ADC 1.2 MSPS Output Word Rate 32/16 ؋ Oversampling Ratio Low-Pass and Band-Pass Digital Filter Linear Phase On-Chip 2.5 V Voltage Reference Standby Mode Flexible Parallel or Serial Interface Crystal Oscillator Single +5 V Supply AVDD AGND VIN(+) VIN(.
  • ) 16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC AD7723.

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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 16-Bit Sigma-Delta ADC 1.2 MSPS Output Word Rate 32/16 ؋ Oversampling Ratio Low-Pass and Band-Pass Digital Filter Linear Phase On-Chip 2.5 V Voltage Reference Standby Mode Flexible Parallel or Serial Interface Crystal Oscillator Single +5 V Supply AVDD AGND VIN(+) VIN(–) 16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC AD7723 FUNCTIONAL BLOCK DIAGRAM AD7723 2.5V REFERENCE REF2 REF1 DVDD DGND MODULATOR FIR FILTER UNI HALF_PWR STBY MODE 1 MODE 2 SYNC DVDD / CS CFMT/ RD DGND/ DRDY DGND/DB0 XTAL CLOCK XTAL_OFF XTAL CLKIN DGND/DB15 DGND/DB14 SCR/DB13 SLDR/DB12 SLP/DB11 TSI/DB10 FSO/DB9 CONTROL LOGIC DGND/ DGND/ DGND/ DOE/ SFMT/ FSI/ SCO/ SDO/ DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 GENERAL DESCRIPTION The AD7723 is a complete 16-bit, sigma-delta ADC. The part operates from a +5␣ V supply.