Product Summary

The SDC1700 is a resolver-to-digital converter contained in 32-pin weled metal packages. In the core of this hybrid the conversion process is performed by a monolithic IC manufactured in Analog Devices proprietary BIMOS Ⅱ process that combines the advantages of CMOS logic and bipolar high accuracy linear circuits in the same chip. Internal isolation of the signal and refernce inputs. The applications of the SDC1700 include flight instrumentation systems, militery servo control systems, artlilery fire control systems, avlonic systems, antenna monltoring, roboties, engine controllers, coordinate conversion, Axis transformation, CNC machine tooling, process control.

Parametrics

SDC1700 absolute maximum ratings: (1)+VS to GND: +17.25Vdc; (2)-VS to GND: -17.25Vdc; (3)+VL to GND: +7Vdc; (4)Reference input HI to GND: ±350Vdc; (5)Reference input LO to GND: ±350Vdc; (6)common mode range: 175Vrms; (7)S1, S2, S3, S4 to GND: ±350Vdc; (8)any logical input to GND: -0.4V to +VL; (9)case to GND: ±20Vdc; (10)storage temperature range: -65℃ to +150℃.

Features

SDC1700 features: (1)Internal isolating transformers; (2)Military temperature range; (3)Three accuracy options; (4)14-bit or 12-bit resolution; (5)High, continuous tracking rate; (6)32-pin welded metal package; (7)Hermetically sesled; (8)Ratiometric conversion; (9)Laser trimmed- NO external adjustment; (10)Three-state latched outputs.

Diagrams

SDC1700 block diagram

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