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AD79841 датащи(PDF) 4 Page - Analog Devices |
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AD79841 датащи(HTML) 4 Page - Analog Devices |
4 / 28 page AD7986 Rev. B | Page 4 of 28 AVDD = DVDD = 2.5 V, BVDD = 5 V, VIO = 1.8 V to 2.7 V, VREF = 4.096 V, TA = −40°C to +85°C, unless otherwise noted. Table 3. Parameter Conditions Min Typ Max Unit INTERNAL REFERENCE PDREF = low Output Voltage T A= 25°C 4.081 4.096 4.111 V Temperature Drift −40°C to +85°C ±10 ppm/°C Line Regulation AVDD = 2.5 V ± 5% ±50 ppm/V Turn-On Settling Time C REF = 10 μF, CREFBUFIN = 0.1 μF 220 ms REFIN Output Voltage REFIN @ 25°C 1.2 V REFIN Output Resistance 7.5 kΩ EXTERNAL REFERENCE PDREF = high, REFIN = low Voltage Range 2.4 5.1 V Current Drain 2 MSPS, V REF = 5.0 V 500 µA REFERENCE BUFFER REFIN Input Voltage Range 1.2 V REFIN Input Current 160 µA DIGITAL INPUTS Logic Levels V IL −0.3 +0.1 × VIO V V IH +0.9 × VIO VIO + 0.3 V I IL −1 +1 µA I IH −1 +1 µA DIGITAL OUTPUTS Data Format Serial, 18 bits, twos complement Pipeline Delay Conversion results available immediately after completed conversion V OL I SINK = +500 µA 0.4 V V OH I SOURCE = −500 µA VIO − 0.3 V POWER SUPPLIES AVDD, DVDD 2.375 2.5 2.625 V BVDD 4.75 5.0 5.25 VIO Specified performance 1.8 2.5 2.7 V VIO Range V Standby Current1, 2 AVDD = DVDD = VIO = 2.5 V, BVDD = 5.0 V 2.25 µA Power Dissipation With Internal Reference 2 MSPS throughput 29 34 mW Without Internal Reference 2 MSPS throughput 15 16.5 mW With Internal Reference 1.5 MSPS throughput 26 30 mW Without Internal Reference 1.5 MSPS throughput 11.5 13 mW TEMPERATURE RANGE3 Specified Performance T MIN to TMAX −40 +85 °C 1 With all digital inputs forced to VIO or GND as required. 2 During acquisition phase. 3 Contact an Analog Devices, Inc., sales representative for the extended temperature range. |
Аналогичный номер детали - AD79841 |
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Аналогичное описание - AD79841 |
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