LT1781 - Low Power 5V RS232 Dual Driver/Receiver With �15kV ESD Protection

The LT1780 LT1781 are dual RS232 driver/receiver pairs with integral Charge Pump to generate RS232 voltage levels from a single 5V supply. Using only 0.1F 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 1000-4-2, eliminating the need for costly TransZorbs on the RS232 line pins. The LT1780 LT1781 are fully compliant with EIA RS232 standards. Driver outputs are protected from overload, and CAN be shorted to ground or up to 30V without damage. During SHUTDOWN or power-off conditions, driver and receiver outputs are in a high impedance state, allowing line sharing. The LT1780 LT1781 are direct upgrades to the LT1180A LT1181A LT1280A LT1281A and LT1381 for applications which require the utmost ESD protection. The LT1781 is available in 16-pin DIP,SO and SW packages. The LT1780 is supplied in 18-pin DIP and SW packages for applications which require SHUTDOWN.
By Linear Technology Corporation
LT1781 's PackagesLT1781 's pdf datasheet
LT1781CN-PBF PDIP
LT1781CS SOIC
LT1781CS-PBF SOIC
LT1781CS-TRPBF SOIC
LT1781CSW SOIC
LT1781CSW-PBF SOIC
LT1781CSW-TR SOIC
LT1781CSW-TRPBF SOIC
LT1781IN-PBF PDIP
LT1781IS-PBF SOIC
LT1781IS-TRPBF SOIC
LT1781ISW SOIC
LT1781ISW-PBF SOIC
LT1781ISW-TR SOIC
LT1781ISW-TRPBF SOIC




LT1781 Pinout, Pinouts
LT1781 pinout,Pin out
This is one package pinout of LT1781,If you need more pinouts please download LT1781's pdf datasheet.

LT1781 Application circuits
LT1781 circuits
This is one application circuit of LT1781,If you need more circuits,please download LT1781's pdf datasheet.


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