LTC2862/LTC2863/ LTC2864/LTC2865 60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers Fea T Descrip T n Protected from Overvoltage Line Faults to 60V The LTC 2862/LTC2863/LTC2864/LTC2865 are low power, n 3V to 5.5V Supply Voltage 20Mbps or 250kbps RS485/RS422 transceivers operating n 20Mbps or Low EMI 250kbps Data Rate on 3V to 5.5V supplies that feature 60V overvoltage fault n protection on the data transmission lines during all modes 15kV ESD Interface Pins, 8kV All Other Pins n of operation, including power-down. Low EMI slew rate Extended Common Mode Range: 25V n limited data transmission is available in a logic-selectable Guaranteed Failsafe Receiver Operation n 250kbps mode in the LTC2865 and in 250kbps versions of High Input Impedance Supports 256 Nodes n the LTC2862-LTC2864. Enhanced ESD protection allows 1.65V to 5.5V Logic Supply Pin (V ) for Flexible L these parts to withstand 15kV HBM on the transceiver Digital Interface (LTC2865) interface pins without latchup or damage. n MP-Grade Option Available (55C to 125C) n Fully Balanced Differential Receiver Thresholds for Extended 25V input common mode range and full fail- Low Duty Cycle Distortion safe operation improve data communication reliability in n Current Limited Drivers and Thermal Shutdown electrically noisy environments and in the presence of n Pin Compatible with LT1785 and LT1791 large ground loop voltages. n Available in DFN and Leaded Packages p D T s T Gui De a T PART MAX DATA NUMBER DUPLEX ENABLES RATE (bps) V PIN L n Supervisory Control and Data Acquisition (SCADA) LTC2862-1 HALF YES 20M NO n Industrial Control and Instrumentation Networks LTC2862-2 HALF YES 250k NO n Automotive and Transportation Electronics LTC2863-1 FULL NO 20M NO n Building Automation, Security Systems and HVAC LTC2863-2 FULL NO 250k NO n Medical Equipment LTC2864-1 FULL YES 20M NO n Lighting and Sound System Control LTC2864-2 FULL YES 250k NO L, LT, LTC, LTM, Linear Technology the Linear logo and Module are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. LTC2865 FULL YES 20M/250k YES LTC2865 Receiving 10Mbps 200mV Differential Typical a T Signal with 1MHz 25V Common Mode Sweep RS485 Link With Large Ground Loop Voltage A,B LTC2862 LTC2862 A,B 50V/DIV VCC1 VCC2 RO1 R R RO2 A-B A-B RE1 RE2 R R t t 0.5V/DIV DE1 DE2 DI1 D D DI2 RO RO V GROUND LOOP 5V/DIV 2862345 TA01a 25V PEAK GND1 GND2 2862345 TA01b 100ns/DIV 2862345fc 1 For more information www.linear.com/LTC2862 ion pplica ions pplica ion elec uc ro ion uresLTC2862/LTC2863/ LTC2864/LTC2865 a T e Maxi Mu M r a T Gs (Note 1) Supply Voltages Receiver Output (RO) V ............................................................. 0.3 to 6V (LTC2865) ..................................0.3V to (V + 0.3V) CC L V .............................................................. 0.3 to 6V Operating Ambient Temperature Range (Note 4) L Logic Input Voltages (RE, DE, DI, SLO) .......... 0.3 to 6V LTC286xC ................................................ 0C to 70C Interface I/O: A, B, Y, Z .............................. 60V to +60V LTC286xI .............................................40C to 85C Receiver Output (RO) LTC286xH .......................................... 40C to 125C (LTC2862-LTC2864) ...................0.3V to (V +0.3V) LTC286xMP ....................................... 55C to 125C CC Storage Temperature Range .................. 65C to 150C Lead Temperature (Soldering, 10 sec) ...................300C p c Fi G T LTC2862-1, LTC2862-2 LTC2862-1, LTC2862-2 TOP VIEW TOP VIEW RO 1 8 V CC RO 1 8 V CC RE 2 7 B RE 2 7 B DE 9 3 6 A DE 3 6 A DI GND 4 5 DI 4 5 GND S8 PACKAGE 8-LEAD (150mil) PLASTIC SO DD PACKAGE T = 150C, = 150C/W, = 39C/W JMAX JA JC 8-LEAD (3mm 3mm) PLASTIC DFN EXPOSED PAD (PIN 9) CONNECT TO PCB GND T = 150C, = 43C/W, = 3C/W JMAX JA JC LTC2863-1, LTC2863-2 LTC2863-1, LTC2863-2 TOP VIEW TOP VIEW V 1 8 A CC V 1 8 A CC RO 2 7 B RO 2 7 B 9 DI 3 6 Z DI 3 6 Z GND Y 4 5 GND Y 4 5 S8 PACKAGE 8-LEAD (150mil) PLASTIC SO DD PACKAGE T = 150C, = 150C/W, = 39C/W JMAX JA JC 8-LEAD (3mm 3mm) PLASTIC DFN EXPOSED PAD (PIN 9) CONNECT TO PCB GND T = 150C, = 43C/W, = 3C/W JMAX JA JC LTC2864-1, LTC2864-2 LTC2864-1, LTC2864-2 TOP VIEW TOP VIEW NC 1 14 V CC RO 1 10 V CC RO 2 13 NC RE 2 9 A 11 RE 3 12 A DE 3 8 B DI 4 7 Z DE 4 11 B GND 5 6 Y DI 5 10 Z GND 6 9 Y DD PACKAGE 10-LEAD (3mm 3mm) PLASTIC DFN GND 7 8 NC EXPOSED PAD (PIN 11) CONNECT TO PCB GND T = 150C, = 43C/W, = 3C/W JMAX JA JC S PACKAGE 14-LEAD (150mil) PLASTIC SO T = 150C, = 88C/W, = 37C/W JMAX JA JC 2862345fc 2 For more information www.linear.com/LTC2862 ion ura on in in bsolu