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Archive for the ‘Surplus Parts’ Category

postheadericon Cut Tape Deal 5x LT1780CSW for 14.99$ Limited Offer

Deal from Electronic-Geek.com

Cut Tape 5x LT1780CSW for only 14.99$

Quantity limited : 500x LT1780CSW overstock

New product, never use before. Remove plastic cover for picture.

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 0.1mF 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.

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LT1780 Datasheet