AD7722
AD7722 is 16-Bit 195kSPS CMOS Sigma-Delta ADC manufactured by Analog Devices.
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Features
16-Bit Sigma-Delta ADC 64 ؋ Oversampling Ratio Up to 220 kSPS Output Word Rate Low-Pass, Linear Phase Digital Filter Inherently Monotonic On-Chip 2.5 V Voltage Reference Single Supply +5 V High Speed Parallel or Serial Interface
16-Bit, 195 kSPS CMOS, Sigma-Delta ADC AD7722
FUNCTIONAL BLOCK DIAGRAM
DGND DVDD AGND AVDD REF1
2.5V REFERENCE
REF2
VIN(+) VIN(- )
16-BIT A/D CONVERTER Σ∆ MODULATOR FIR FILTER
P/S CAL RESET SYNC CS DVAL/RD CFMT/DRDY DB0 DB1 DB2 CONTROL LOGIC
CLOCK CIRCUITRY
XTAL CLKIN UNI DB15 DB14 DB13 DB12 DB11 DB10 DB9/FSO
GENERAL DESCRIPTION
The AD7722 is a plete low power, 16-bit, sigma-delta ADC. The part operates from a +5 V supply and accepts...
