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AD9762 Datasheet(PDF) 5 Page - Analog Devices |
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AD9762 Datasheet(HTML) 5 Page - Analog Devices |
5 / 23 page AD9762 –5– REV. B PIN CONFIGURATION 14 13 12 11 17 16 15 20 19 18 10 9 8 1 2 3 4 7 6 5 TOP VIEW (Not to Scale) 28 27 26 25 24 23 22 21 AD9762 NC = NO CONNECT (MSB) DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 NC NC CLOCK DVDD DCOM NC AVDD COMP2 IOUTA IOUTB ACOM COMP1 FS ADJ REFIO REFLO SLEEP PIN DESCRIPTIONS Pin No. Name Description 1 DB11 Most Significant Data Bit (MSB). 2–11 DB10–DB1 Data Bits 1–10. 12 DB0 Least Significant Data Bit (LSB). 13, 14, 25 NC No Internal Connection. 15 SLEEP Power-down Control Input. Active High. Contains active pull-down circuit, thus may be left unterminated if not used. 16 REFLO Reference Ground when Internal 1.2 V Reference Used. Connect to AVDD to disable internal reference. 17 REFIO Reference Input/Output. Serves as reference input when internal reference disabled (i.e., Tie REFLO to AVDD). Serves as 1.2 V reference output when internal reference activated (i.e., Tie REFLO to ACOM). Requires 0.1 µF capacitor to ACOM when internal reference activated. 18 FS ADJ Full-Scale Current Output Adjust. 19 COMP1 Bandwidth/Noise Reduction Node. Add 0.1 µF to AVDD for optimum performance. 20 ACOM Analog Common. 21 IOUTB Complementary DAC Current Output. Full-scale current when all data bits are 0s. 22 IOUTA DAC Current Output. Full-scale current when all data bits are 1s. 23 COMP2 Internal Bias Node for Switch Driver Circuitry. Decouple to ACOM with 0.1 µF capacitor. 24 AVDD Analog Supply Voltage (+2.7 V to +5.5 V). 26 DCOM Digital Common. 27 DVDD Digital Supply Voltage (+2.7 V to +5.5 V). 28 CLOCK Clock Input. Data latched on positive edge of clock. |
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