AD7720
AD7720 is CMOS Sigma-Delta Modulator manufactured by Analog Devices.
- Part of the AD7 comparator family.
- Part of the AD7 comparator family.
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Features
12.5 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% On-Chip 2.5 V Voltage Reference 28-Lead TSSOP
CMOS Sigma-Delta Modulator AD7720
FUNCTIONAL BLOCK DIAGRAM
AVDD AGND DVDD DGND REF1
2.5V REFERENCE
REF2
VIN(+) VIN(- )
SIGMA-DELTA MODULATOR
DATA SCLK
MZERO GC
CLOCK CIRCUITRY
XTAL1/MCLK XTAL2
CONTROL LOGIC
DVAL RESETO RESET
STBY
GENERAL DESCRIPTION
This device is a 7th order sigma-delta modulator that converts the analog input signal into a high speed 1-bit data stream. The part operates from a +5 V supply and accepts a differential input range of 0 V to...
