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AD5620BRJZ-1500RL7 Datasheet(PDF) 9 Page - Analog Devices |
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AD5620BRJZ-1500RL7 Datasheet(HTML) 9 Page - Analog Devices |
9 / 28 page AD5620/AD5640/AD5660 Rev. F | Page 9 of 28 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS SYNC VDD 1 VREFOUT 2 VFB 3 VOUT 4 GND 8 DIN 7 SCLK 6 5 AD5620/ AD5640/ AD5660 TOP VIEW (Not to Scale) Figure 3. SOT-23 Pin Configuration SYNC VDD 1 VREFOUT 2 VFB 3 VOUT 4 GND 8 DIN 7 SCLK 6 5 AD5620/ AD5640/ AD5660 TOP VIEW (Not to Scale) Figure 4. MSOP Pin Configuration Table 6. Pin Function Descriptions Pin No. Mnemonic Description 1 VDD Power Supply Input. These parts can operate from 2.7 V to 5.5 V. VDD should be decoupled to GND. 2 VREFOUT Reference Voltage Output. 3 VFB Feedback Connection for the Output Amplifier. VFB should be connected to VOUT for normal operation. 4 VOUT Analog Output Voltage from DAC. The output amplifier has rail-to-rail operation. 5 SYNC Level-Triggered Control Input (Active Low). This is the frame synchronization signal for the input data. When SYNC goes low, it enables the input shift register and data is transferred in on the falling edges of the following clocks. The DAC is updated following the 24th clock cycle for the AD5660 and the 16th clock cycle for AD5620/AD5640 unless SYNC is taken high before this edge. In this case, the rising edge of SYNC acts as an interrupt, and the write sequence is ignored by the DAC. 6 SCLK Serial Clock Input. Data is clocked into the input shift register on the falling edge of the serial clock input. Data can be transferred at rates up to 30 MHz. 7 DIN Serial Data Input. The AD5660 has a 24-bit shift register, and the AD5620/AD5640 have a 16-bit shift register. Data is clocked into the register on the falling edge of the serial clock input. 8 GND Ground Reference Point for all Circuitry on the Part. |
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