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AD7684 Datasheet(PDF) 7 Page - Analog Devices |
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AD7684 Datasheet(HTML) 7 Page - Analog Devices |
7 / 16 page AD7694 Rev. A | Page 7 of 16 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS REF 1 IN+ 2 IN– 3 GND 4 VDD 8 SCK 7 SDO 6 CNV 5 AD7694 TOP VIEW (Not to Scale) Figure 4. 8-Lead MSOP Pin Configuration Table 7. Pin Function Descriptions Pin No. Mnemonic Type1 Function 1 REF AI Reference Input Voltage. The REF range is from 1 V to VDD. It is referred to the GND pin. This pin should be decoupled closely to the pin with a ceramic capacitor of a few μF. 2 IN+ AI Analog Input. It is referred to in IN−. The voltage range, that is, the difference between IN+ and IN−, which is 0 V to VREF. 3 IN− AI Analog Input Ground Sense. To be connected to the analog ground plane or to a remote sense ground. 4 GND P Power Supply Ground. 5 CNV DI Convert Input. On its leading edge, it initiates the conversions. It enables the SDO pin when low. 6 SDO DO Serial Data Output. The conversion result is output on this pin. It is synchronized to SCK. 7 SCK DI Serial Data Clock Input. When CNV is low, the conversion result is shifted out by this clock. 8 VDD P Power Supply. 1AI = analog input; DI = digital input; DO = digital output; and P = power. |
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