CMOS Sigma-Delta Modulator
Description
a
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
AD7720
2.5V REFERENCE
REF2
VIN(+) VIN(–)
SIGMA-DELTA MODULAT...
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