Datenblatt-Suchmaschine für elektronische Bauteile |
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AD9742ARU Datenblatt(PDF) 5 Page - Analog Devices |
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AD9742ARU Datenblatt(HTML) 5 Page - Analog Devices |
5 / 20 page REV. 0 AD9742 –5– 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 AD9742 NC = NO CONNECT (MSB) DB11 DB10 DB7 DB6 DB5 DB4 DB3 DB2 DB1 (LSB) DB0 NC NC CLOCK DVDD DCOM MODE AVDD RESERVED IOUTA IOUTB ACOM NC FS ADJ REFIO REFLO SLEEP DB8 DB9 PIN FUNCTION DESCRIPTIONS Pin No. Mnemonic Description 1 DB11 Most Significant Data Bit (MSB) 2–11 DB10–DB1 Data Bits 10–1 12 DB0 Least Significant Data Bit (LSB) 13, 14 NC No Internal Connection 15 SLEEP Power-Down Control Input. Active high. Contains active pull-down circuit; it 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 AGND). Requires 0.1 mF capacitor to AGND when internal reference activated. 18 FS ADJ Full-Scale Current Output Adjust 19 NC No Internal Connection 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 RESERVED Reserved. Do Not Connect to Common or Supply. 24 AVDD Analog Supply Voltage (3.3 V) 25 MODE Selects Input Data Format. Connect to DGND for straight binary, DVDD for two’s complement. 26 DCOM Digital Common 27 DVDD Digital Supply Voltage (3.3 V) 28 CLOCK Clock Input. Data latched on positive edge of clock. |
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Ähnliche Beschreibung - AD9742ARU |
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