LTC485I LINER [Linear Technology], LTC485I Datasheet
LTC485I
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LTC485I Summary of contents
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FEATURE S Low Power 300 A Typ CC Designed for RS485 Interface Applications Single 5V supply – 12V Bus Common-Mode Range Permits 7V Ground Difference Between Devices on the Bus Thermal Shutdown Protection Power-Up/Down Glitch-Free Driver ...
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... Control Input Voltages ................... – 0. Driver Input Voltage ....................... – 0. Driver Output Voltage ........................................... 14V Receiver Input Voltage.......................................... 14V Receiver Output Voltages .............. – 0. Operating Temperature Range LTC485I...................................... – LTC485C.......................................... LTC485M.................................. – Lead Temperature (Soldering, 10 sec)................. 300 C ELECTRICAL C HARA TERISTICS ...
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U SWITCHI G CHARACTERISTICS SYMBOL PARAMETER t Driver Input to Output PLH t Driver Input to Output PHL t Driver Output to Output SKEW Driver Rise or Fall Time Driver Enable to Output High ...
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LTC485 U W SWITCHI WAVEFOR 1 – ...
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CTIO TABLES LTC485 Transmitting INPUTS LINE CONDITION Fault Fault Fault LTC485 Receiving INPUTS – ...
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LTC485 W U TYPICAL PERFOR A Receiver Output Low Voltage vs Temperature 0 8mA 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 –50 – 100 125 TEMPERATURE (°C) LTC485 • TPC03 Driver Output ...
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U U APPLICATIO S I FOR ATIO Basic Theory of Operation Previous RS485 transceivers have been designed using bipolar technology because the common-mode range of the device must extend beyond the supplies and the device must be immune to ESD ...
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LTC485 U U APPLICATIO S I FOR ATIO The LTC485 output stage will maintain a high impedance state until the breakdown of the N-channel or P-channel is reached when going positive or negative respectively. The output will be clamped to ...
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U U APPLICATIO S I FOR ATIO LTC485 Line Length vs Data Rate The maximum line length allowable for the RS422/RS485 standard is 4000 feet. A LTC485 B 4000 FT 26AWG NOISE TWISTED PAIR TTL GENERATOR IN Figure 14. Line ...
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LTC485 TYPICAL APPLICATIO S PACKAGE DESCRIPTIO CORNER LEADS OPTION (4 PLCS) 0.023 – 0.045 (0.584 – 1.143) HALF LEAD OPTION 0.045 – 0.068 (1.143 – 1.727) FULL LEAD OPTION NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP OR TIN PLATE LEADS. ...
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PACKAGE DESCRIPTIO 0.300 – 0.320 (7.620 – 8.128) 0.009 – 0.015 (0.229 – 0.381) 0.325 8.255 0.010 – 0.020 (0.254 – 0.508) 0.008 – 0.010 (0.203 – 0.254) 0.016 – 0.050 0.406 – 1.270 Information furnished by Linear Technology Corporation ...
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LTC485 NORTHEAST REGION Linear Technology Corporation One Oxford Valley 2300 E. Lincoln Hwy.,Suite 306 Langhorne, PA 19047 Phone: (215) 757-8578 FAX: (215) 757-5631 Linear Technology Corporation 266 Lowell St., Suite B-8 Wilmington, MA 01887 Phone: (508) 658-3881 FAX: (508) 658-2701 ...