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AD7768BSTZ Datasheet(PDF) 9 Page - Analog Devices |
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AD7768BSTZ Datasheet(HTML) 9 Page - Analog Devices |
9 / 99 page Data Sheet AD7768/AD7768-4 Rev. A | Page 9 of 99 Parameter Test Conditions/Comments Min Typ Max Unit Leakage Current Floating state −10 +10 µA Output Capacitance Floating state 10 pF SYSTEM CALIBRATION2 Full-Scale Calibration Limit 1.05 × VREF V Zero-Scale Calibration Limit −1.05 × VREF V Input Span 0.4 × VREF 2.1 × VREF V POWER REQUIREMENTS Power Supply Voltage AVDD1 − AVSS 4.5 5.0 5.5 V AVDD2 − AVSS 2.0 2.25 to 5.0 5.5 V AVSS − DGND −2.75 0 V IOVDD − DGND See Table 2 for 1.8 V operation 2.25 2.5 to 3.3 3.6 V POWER SUPPLY CURRENTS Maximum output data rate, CMOS MCLK, eight DOUTx signals, all supplies at maximum voltages, all channels in Channel Mode A except where otherwise specified AD7768 Eight channels active Fast Mode AVDD1 Current Reference precharge buffers off/on 36/57.5 40/64 mA AVDD2 Current 37.5 40 mA IOVDD Current Wideband filter 63 67 mA Sinc5 filter 27 29 mA Median Mode AVDD1 Current Reference precharge buffers off/on 18.5/29 20.5/32.5 mA AVDD2 Current 21.3 23 mA IOVDD Current Wideband filter 34 37 mA Sinc5 filter 16 18 mA Eco Mode AVDD1 Current Reference precharge buffers off/on 5.1/8 5.8/9 mA AVDD2 Current 9.3 10.1 mA IOVDD Current Wideband filter 12.5 13.7 mA Sinc5 filter 8 9 mA AD7768-4 Four Channels Active Fast Mode AVDD1 Current Reference precharge buffers off/on 18.2/28.8 20.3/32.5 mA AVDD2 Current 18.8 20.3 mA IOVDD Current Wideband filter2 43.5 46.8 mA Wideband filter, SPI mode only; Channel Mode A set to sinc5 filter8 37 40 mA Sinc5 filter2 17 18.6 mA Median Mode AVDD1 Current Reference precharge buffers off/on 9.3/14.7 10.5/16.6 mA AVDD2 Current 10.7 11.7 mA IOVDD Current Wideband filter2 24.4 26.4 mA Wideband filter, SPI mode only; Channel Mode A set to sinc5 filter8 21 23 mA Sinc5 filter2 11 12.3 mA Eco Mode AVDD1 Current Reference precharge buffers off/on 2.7/4.1 3.1/4.7 mA AVDD2 Current 4.7 5.3 mA |
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