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AD2S105 Datasheet(PDF) 4 Page - Analog Devices |
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AD2S105 Datasheet(HTML) 4 Page - Analog Devices |
4 / 12 page AD2S105 REV. 0 –4– PIN DESIGNATIONS 1, 2, 3 Pin Mnemonic Description 3 STROBE Begin Conversion 4VDD Positive Power Supply 5VSS Negative Power Supply 6 PH/OP4 Sin ( θ + φ) 7 PH/OP1 Cos ( θ + φ) 10 AGND Analog Ground 11 PH/IP4 Sin θ Input 12 PH/IPH3 High Level Cos ( θ + 240°) Input 13 PH/IP3 Cos ( θ + 240°) Input 14 PH/IPH2 High Level Cos ( θ + 120°) Input 15 PH/IP2 Cos ( θ + 120°) Input 16 PH/IPH1 High Level Cos θ Input 17 PH/IP1 Cos (θ) Input 19 VSS Negative Power Supply 20 HPREF Homopolar Reference 21 HPOP Homopolar Output 22 HPFILT Homopolar Filter 23 CONV1 Select Analog Input Format 24 CONV2 Select Analog Input Format 25 COS Cos Output 26 SIN Sin Output 27–38 DB12 to DB1 (DB1 = MSB, DB12 = LSB Parallel Input Data) 41 VDD Positive Power Supply 42 DGND Digital Ground 44 BUSY Internal Logic Setup Time NOTES 190 ° orthogonal signals = Sin θ, Cos θ (Resolver) = PH/IP4 and PH/IP1. 2Three phase, 120 °, three-wire signals = Cos θ, Cos (θ + 120°), Cos (θ + 240°). = PH/IP1, PH/IP2, PH/IP3 High Level = PH/IPH1, PH/IPH2, PH/IPH3. 3Three Phase, 120 °, two-wire signals = Cos (θ + 120°), Cos (θ + 240°) = PH/IP2, PH/IP3. In all cases where any of the input Pins 11 through 17 are not used, they must be left unconnected. PIN CONFIGURATION 6 5 4 3 2 1 44 43 42 41 40 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 NC = NO CONNECT. TOP VIEW (NOT TO SCALE) AD2S105 7 8 11 12 13 14 15 16 17 9 10 NC DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 PH/OP1 NC NC AGND PH/IP4 PH/IPH3 PH/IP3 PH/IPH2 PH/IP2 PH/IPH1 PH/IP1 |
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