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AD5541ABRMZ 데이터시트(PDF) 7 Page - Analog Devices |
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AD5541ABRMZ 데이터시트(HTML) 7 Page - Analog Devices |
7 / 24 page Preliminary Technical Data AD5541A/AD5542A/AD5512AA Rev. P rA | Page 7 of 24 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS NC = NO CO NNE CT TO P V IE W 3 SCLK 4 DIN 1 REF 2 CS 6VOUT 5CLR 8GND 7VDD AD5541A-1 (No t to S cale) Figure 6. AD5541A-1 8-Lead LFCSP Pin Configuration VOUT 1 A GN D 2 REF 3 CS 4 V DD 8 DG ND 7 DIN 6 SCLK 5 AD5541A TO P V IE W (N o t to S cale) Figure 7. AD5541A 8-Lead SOIC Pin Configuration NC = NO CO N NE C T 1 VDD 2 VOUT 3 AGND 4 REF 5 CS 10 VLOGIC 9DGND 8LDAC 7DIN 6SCLK TO P V IE W AD5541A (No t to S cale) Figure 8. AD5541A 10-Lead LFCSP Pin Configuration NC = NO CONNECT VDD 1 VOUT 2 AGND 3 REF 4 CS 5 VLOGIC 10 DGND 9 LDAC 8 DIN 7 SCLK 6 AD5541A TOP VIEW (Not to Scale) Figure 9. AD5541A 10-Lead MSOP Pin Configuration Table 4. AD5541A Pin Function Descriptions Pin No. 8-Lead LFCSP 8-Lead SOIC 10-Lead LFCSP 10-Lead MSOP Mnemonic Description 6 1 2 2 VOUT Analog Output Voltage from the DAC. 2 3 3 AGND Ground Reference Point for Analog Circuitry. 1 3 4 4 REF Voltage Reference Input for the DAC. Connect to an external 2.5 V reference. Reference can range from 2 V to VDD. 2 4 5 5 CS Logic Input Signal. The chip select signal is used to frame the serial data input. 3 5 6 6 SCLK Clock Input. Data is clocked into the input register on the rising edge of SCLK. Duty cycle must be between 40% and 60%. 4 6 7 7 DIN Serial Data Input. This device accepts 16-bit words. Data is clocked into the input register on the rising edge of SCLK. 7 9 9 DGND Digital Ground. Ground reference for digital circuitry. 7 8 1 1 VDD Analog Supply Voltage, 5 V ± 10%. 5 CLR Asynchronous Clear Input. The CLR input is falling edge sensitive. When CLR is low, all LDAC pulses are ignored. When CLR is activated, the input register and the DAC register are cleared to the model selectable midscale or zeroscale . 10 10 VLOGIC Logic Power Supply. 8 8 LDAC LDAC Input. When this input is taken low, the DAC register is simultaneously updated with the contents of the input register. |
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