전자부품 데이터시트 검색엔진 |
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AD8384 데이터시트(PDF) 10 Page - Analog Devices |
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AD8384 데이터시트(HTML) 10 Page - Analog Devices |
10 / 24 page AD8384 Rev. 0 | Page 10 of 24 Pin Name Function Description INV Invert When this input is HIGH, the VIDx output voltages are above V2. When INV is LOW, the VIDx output voltages are below V1. The state of INV is latched on the first rising CLK edge, after XFR is detected. The VIDx outputs change on the rising CLK edge after the next XFR is detected. DVCC Digital Power Supply Digital Power Supply. DGND Digital Ground This pin is normally connected to the digital ground plane. AVCCx Analog Power Supplies Analog Power Supplies. AGNDx Analog Ground Analog Supply Returns. SVRH, SVRL Serial DAC Reference Voltages Reference Voltages for the Output Amplifiers of the Control DACs. SCL Serial Data Clock Serial Data Clock. SDI Data Input While the SEN input is LOW, one 12-bit serial word is loaded into the serial DAC on the rising edges of SCL. The first bit selects the output, the next three bits are unused, and the subsequent eight bits are the data used in the DAC. SEN Serial DAC Enable A falling edge of this input initiates a loading cycle. While this input is held LOW, the serial DAC is enabled and data is loaded on every rising edge of SCL. The selected output is updated on the rising edge of this input. While this input is held HIGH, the control DAC is disabled. VAO1, VAO2 Serial DAC Voltage Output These output voltages are updated on the rising edge of the SEN input. TSTM Test Mode When this input is LOW, the output mode is determined by the function programmed into the serial interface. While this input is held HIGH, the output mode is forced to NORMAL, regardless of function programmed into the serial interface. MONITI Monitor Input Logic Input of the Level Shifting Inverting Edge Detector. MONITO Monitor Output Output of the Level Shifting Inverting Edge Detector. DYIN, DIRYIN, DIRXIN, DXIN, NRGIN, ENBX(1–4)IN Inverting Level Shifter Inputs Logic Input of the Inverting Level Shifters. DX, DY, DIRX, DIRY, NRG, ENBX(1-4) Inverting Level Shifter Outputs While the corresponding input voltage of these level shifters is below the threshold voltage, the output voltage at these pins is at VOH. While the corresponding input voltage of these level shifters is above the threshold voltage, the output voltage at these pins is at VOL. CLXIN, CLYIN Complementary Level Shifter Inputs Logic Input of the Complementary Level Shifters. CLX, CLXN, CLY, CLYN, Complementary Level Shifter Outputs While the corresponding input voltage of these level shifters is below the threshold voltage, the voltage at the noninverting output pins is at VOH and the voltage at the inverting outputs is at VOL. While the corresponding input voltage of these level shifters is above the threshold voltage, the voltage at the noninverting output pins is at VOL and the voltage at the inverting outputs is at VOH. |
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