поискавой системы для электроныых деталей |
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AD7989-5BCPZ-RL7 датащи(PDF) 8 Page - List of Unclassifed Manufacturers |
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AD7989-5BCPZ-RL7 датащи(HTML) 8 Page - List of Unclassifed Manufacturers |
8 / 24 page AD7989-1/AD7989-5 Data Sheet Rev. 0 | Page 8 of 24 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS Figure 4. 10-Lead MSOP Pin Configuration Figure 5. 10-Lead LFCSP Pin Configuration Table 6. Pin Function Descriptions Pin No. Mnemonic Type1 Description 1 REF AI Reference Input Voltage. The REF range is 2.4 V to 5.1 V. This pin is referred to the GND pin and should be decoupled closely to the GND pin with a 10 µF capacitor. 2 VDD P Power Supply. 3 IN+ AI Differential Positive Analog Input. 4 IN− AI Differential Negative Analog Input. 5 GND P Power Supply Ground. 6 CNV DI Conversion Input. This input has multiple functions. On its leading edge, it initiates the conversions and selects the interface mode of the device: chain mode or chip select (CS) mode. In CS mode, the SDO pin is enabled when CNV is low. In chain mode, the data is read when CNV is high. 7 SDO DO Serial Data Output. The conversion result is output on this pin. It is synchronized to SCK. 8 SCK DI Serial Data Clock Input. When the device is selected, the conversion result is shifted out by this clock. 9 SDI/CS DI Serial Data Input/Chip Select. This input has multiple functions. It selects the interface mode of the ADC as follows: Chain mode is selected if this pin is low during the CNV rising edge. In this mode, SDI/CS is used as a data input to daisy-chain the conversion results of two or more ADCs onto a single SDO line. The digital data level on SDI/CS is output on SDO with a delay of 16 SCK cycles. CS mode is selected if SDI/CS is high during the CNV rising edge. In this mode, either SDI/CS or CNV can enable the serial output signals when low. 10 VIO P Input/Output Interface Digital Power. This pin is nominally at the same supply as the host interface (1.8 V, 2.5 V, 3 V, or 5 V). EP Exposed Pad. For the lead frame chip scale package (LFCSP), the exposed pad can be connected to GND. This connection is not required to meet the electrical performances. 1 AI = analog input, DI = digital input, DO = digital output, and P = power. REF 1 VDD 2 IN+ 3 IN– 4 GND 5 VIO 10 SDI/CS 9 SCK 8 SDO 7 CNV 6 AD7989-1/ AD7989-5 TOP VIEW (Not to Scale) NOTES: 1. THE EXPOSED PAD CAN BE CONNECTED TO GND. 1 REF 2 VDD 3 IN+ 4 IN– 5 GND 10 VIO 9 SDI_CS 8 SCK 7 SDO 6 CNV AD7989-1/ AD7989-5 TOP VIEW (Not to Scale) |
Аналогичный номер детали - AD7989-5BCPZ-RL7 |
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Аналогичное описание - AD7989-5BCPZ-RL7 |
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