Datasheet Analog Devices AD7721AR — 数据表

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FEATURES
16-Bit Sigma-Delta ADC
468.75 kHz Output Word Rate (OWR)
No Missing Codes
Low-Pass Digital Filter
High Speed Serial Interface
Linear Phase
229.2 kHz Input Bandwidth
Power Supplies: AVDD, DVDD: +5 V 6 5%
Standby Mode (70 mW)
Parallel Mode (12-Bit/312.5 kHz OWR) CMOS 16-Bit,
468.75 kHz, Sigma-Delta ADC
AD7721
FUNCTIONAL BLOCK DIAGRAM
AGND AGND DVDD AVDD DGND
DGND AD7721 DSUBST 12-BIT A/D CONVERTER VIN1 S-D
MODULATOR VIN2 REFIN FIR
FILTER DVAL/SYNC
CS CLK RD
WR
DRDY STBY/DB0 SDATA/DB11 CAL/DB1 CONTROL LOGIC UNI/DB2 GENERAL DESCRIPTION The AD7721 is a complete low power, 12-/16-bit, sigma-delta
ADC. The part operates from a +5 V supply and accepts a …