Datasheet Details
Part number:
LT1781, LT1
Manufacturer:
Linear Technology
File Size:
276.13 KB
Description:
Low power 5v rs232 dual driver/receiver with 15kv esd protection.
Note:
This datasheet PDF includes multiple part numbers: LT1781, LT1.
Please refer to the document for exact specifications by model.
LT1781, LT1, Low Power 5V RS232 Dual Driver/Receiver with 15kV ESD Protection
LT1780/LT1781 Low Power 5V RS232 Dual Driver/Receiver with ±15kV ESD Protection DESCRIPTIO The LT®1780/LT1781 are dual RS232 driver/receiver pairs with integral charge pump to generate RS232 voltage levels from a single 5V supply.
Using only 0.1µF external capacitors, these circuits consume only 40mW of power, and can operate to 120kbaud even while driving heavy capacitive loads.
New ESD structures on the chip allow the LT1780/LT1781 to survive ±15kV air gap and ±8kV contact ESD tests per IEC 10
LT1781 Features
* s s s s s s s s s s s s s 10mA Max Supply Current ESD Protection to IEC 1000-4-2 Level 4 ±15kV Air Gap, ±8kV Contact Uses Small Capacitors: 0.1µF 120kBaud Operation for RL = 3k, CL = 2500pF 250kBaud Operation for RL = 3k, CL = 1000pF Outputs Withstand ± 30V Without Damage CMOS Comparable Low Powe
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