Datasheet Analog Devices AD7720 — 数据表

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FEATURES
12.5 MHz Master Clock Frequency
0 V to +2.5 V or 61.25 V Input Range
Single Bit Output Stream
90 dB Dynamic Range
Power Supplies: AVDD, DVDD: +5 V 6 5%
On-Chip 2.5 V Voltage Reference
28-Lead TSSOP CMOS Sigma-Delta Modulator
AD7720
FUNCTIONAL BLOCK DIAGRAM
AVDD AGND DVDD AD7720 VIN(+)
VIN(–) 2.5V
REFERENCE REF2 DATA
SCLK CLOCK
CIRCUITRY GC STBY REF1 SIGMA-DELTA
MODULATOR MZERO BIP DGND CONTROL
LOGIC XTAL1/MCLK
XTAL2 DVAL
RESETO
RESET 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 …