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AD9767AST 数据表(PDF) 5 Page - Analog Devices |
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AD9767AST 数据表(HTML) 5 Page - Analog Devices |
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5 / 27 page ![]() REV. B AD9767 –5– PIN FUNCTION DESCRIPTIONS Pin No. Name Description 1–14 PORT1 Data Bits DB13–P1 to DB0–P1. 15, 21 DCOM1, DCOM2 Digital Common. 16, 22 DVDD1, DVDD2 Digital Supply Voltage. 17 WRT1/IQWRT Input write signal for PORT 1 (IQWRT in interleaving mode). 18 CLK1/IQCLK Clock input for DAC1 (IQCLK in interleaving mode). 19 CLK2/IQRESET Clock input for DAC2 (IQRESET in interleaving mode). 20 WRT2/IQSEL Input write signal for PORT 2 (IQSEL in interleaving mode). 23–36 PORT2 Data Bits DB13–P2 to DB0–P2. 37 SLEEP Power-Down Control Input. 38 ACOM Analog Common. 39, 40 IOUTA2, IOUTB2 “PORT 2” differential DAC current outputs. 41 FSADJ2 Full-scale current output adjust for DAC2. 42 GAINCTRL GAINCTRL Mode (0 = 2 resistor, 1 = 1 resistor.) 43 REFIO Reference Input/Output. 44 FSADJ1 Full-scale current output adjust for DAC1. 45, 46 IOUTB1, IOUTA1 “PORT 1” differential DAC current outputs. 47 AVDD Analog Supply Voltage. 48 MODE Mode Select (1 = Dual Port, 0 = Interleaved). PIN CONFIGURATION 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 48 47 46 45 44 39 38 37 43 42 41 40 PIN 1 IDENTIFIER TOP VIEW (Not to Scale) 36 35 34 33 32 31 30 29 28 27 26 25 AD9767 DB0-P2 DB1-P2 DB2-P2 DB3-P2 DB4-P2 DB5-P2 DB6-P2 DB7-P2 DB8-P2 DB9-P2 DB10-P2 DB11-P2 DB13-P1 (MSB) DB12-P1 DB11-P1 DB10-P1 DB9-P1 DB8-P1 DB7-P1 DB6-P1 DB5-P1 DB4-P1 DB3-P1 DB2-P1 |
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