LTC1387CG Linear Technology, LTC1387CG Datasheet
LTC1387CG
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LTC1387CG Summary of contents
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... A loop back mode allows the driver outputs to be connected back to the receiver inputs for diagnostic self-test. The LTC1387 is available in 20-pin plastic SSOP and SW packages. , LTC and LT are registered trademarks of Linear Technology Corporation RS485 INTERFACE 5 ...
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... Positive L Figure 3k, Negative DXEN, RXEN, ON, 485/232, SLEW DXEN, RXEN, ON, 485/232, SLEW DXEN, RXEN, ON, 485/232 Y Z SLEW (Note ORDER PART TOP VIEW NUMBER + 20 C2 – LTC1387CG LTC1387CSW LTC1387IG LTC1387ISW /SLEW RXEN PACKAGE 20-LEAD PLASTIC SO = 125 C, = 120 C/W ( 125 C/W (SW) JA MIN ...
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DC ELECTRICAL CHARACTERISTICS 5V 0.1 F (Notes 2, 3), unless otherwise noted SYMBOL PARAMETER RS485 Receiver (485/232 = High RXEN = High) ...
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LTC1387 AC ELECTRICAL CHARACTERISTICS 5V 0.1 F (Notes 2, 3), unless otherwise noted SYMBOL PARAMETER RS485 Mode (Fast Slew Rate DXEN = ...
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CTIO S 485/232 (Pin 8): Interface Mode Select Input. A low logic input enables two RS232 drivers and two RS232 receiv- ers. A high input enables the RS485 driver and the RS485 receiver. DXEN (Pin ...
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LTC1387 CTIO TABLES Select Modes SELECT INPUTS RECEIVER ON RXEN DXEN 485/232 RXA RXB ...
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W BLOCK DIAGRAM RS232 MODE WITHOUT LOOPBACK ...
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LTC1387 U SWITCHI G WAVEFOR – Y – DXEN OD2 B – A –V OD2 ...
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U SWITCHI G WAVEFOR RXEN PPLICATI S I FOR ATIO Basic Theory of Operating ...
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LTC1387 PPLICATI S I FOR ATIO EMI and signal reflection problems. Slow slew rate sys- tems can often use improperly terminated or even unterminated cables with acceptable results. The RS485 differential input receiver features an offset ...
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... Figure 16. Full-Duplex RS232 (2-Channel), Full-Duplex RS485/RS422 with SLEW Control Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... RECOMMENDED SOLDER PAD LAYOUT 0.496 – 0.512* (12.598 – 13.005 0.394 – 0.419 (10.007 – 10.643 S20 (WIDE) 0396 ® Compliant sn1387 1387fs LT/GP 0197 7K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1997 0.65 BSC ...