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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD7294 датащи(PDF) 9 Page - Analog Devices |
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AD7294 датащи(HTML) 9 Page - Analog Devices |
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9 / 45 page  Preliminary Technical Data AD7294 Rev. PrB | Page 9 of 45 Pin No. Mnemonic Description and 400 kHz operating modes. 36 OPGND Dedicated Ground Pin for I2C Interface. 37 VDRIVE This pin should be connected to the supply that the I2C bus is pulled up to. This is not a supply pin in I2C mode—it just sets up the input threshold levels. 38 DGND Ground for All Digital Circuitry. 39 DVDD Logic Power Supply. Guaranteed operating range is 2.7 V to 5.5 V. It is recommended that these pins be decoupled with 0.1 µF ceramic and 10 µF tantalum capacitors to DGND. 40, 41 ISENSE1 Overrange, ISENSE2 Overrange Outputs from Fault Comparators Connected to High-Side Current Sense Amplifiers. 43 to 46 VIN3 to VIN0 Single-Ended Analog Inputs with Input Range from 0 V to REFIN/REFOUT ADC. 47 REFOUT/REFIN ADC The AD7294 contains REFOUT/REFIN ADC pin for the ADC. When the internal reference is selected, this pin is the reference output. If the application requires an external reference, it can be applied to this pin, and the internal reference can be disabled via the control register. The default for this pin is a reference input. 48 DCAP External Decoupling Capacitor Input for Internal Temperature Sensor. A 0.1 μF capacitor to AGND should be connected to this pin. 55, 56 VPP1, VPP2 Analog Supply Pins. Power supply pins for the high-side current sense amplifiers. Operating range is from AVDD to +60 V. |
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