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AD7927 Datasheet(PDF) 3 Page - Analog Devices |
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AD7927 Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page REV. 0 AD7927 –3– Parameter B Version 1 Unit Test Conditions/Comments CONVERSION RATE Conversion Time 800 ns max 16 SCLK Cycles with SCLK at 20 MHz Track-and-Hold Acquisition Time 300 ns max Sine Wave Input 300 ns max Full-Scale Step Input Throughput Rate 200 kSPS max See Serial Interface Section POWER REQUIREMENTS AVDD 2.7/5.25 V min/max VDRIVE 2.7/5.25 V min/max IDD 4 Digital I/Ps = 0 V or VDRIVE During Conversion 2.7 mA max AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz 2 mA max AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz Normal Mode (Static) 600 mA typ AVDD = 2.7 V to 5.25 V, SCLK On or Off Normal Mode (Operational) fSAMPLE = 200 kSPS 1.5 mA max AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz 1.2 mA max AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz Using Auto Shutdown Mode fSAMPLE = 200 kSPS 900 mA typ AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz 650 mA typ AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz Auto Shutdown (Static) 0.5 mA max SCLK On or Off (20 nA typ) Full Shutdown Mode 0.5 mA max SCLK On or Off (20 nA typ) Power Dissipation 4 Normal Mode (Operational) 7.5 mW max AVDD = 5 V, fSCLK = 20 MHz 3.6 mW max AVDD = 3 V, fSCLK = 20 MHz Auto Shutdown (Static) 2.5 mW max AVDD = 5 V 1.5 mW max AVDD = 3 V Full Shutdown Mode 2.5 mW max AVDD = 5 V 1.5 mW max AVDD = 3 V NOTES 1Temperature ranges as follows: B Version: –40 ∞C to +85∞C. 2See Terminology section. 3Sample tested @ 25 ∞C to ensure compliance. 4See Power versus Throughput Rate section. Specifications subject to change without notice. |
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