Features: One Receiver Remains Active While in Shutdown ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF, 0.2µF 60µA Supply Current in Shutdown Pin Compatible with LT1137A 120kBaud Operation for RL = 3k, CL = 2500pF 250kBaud Operation for RL = 3k, CL = 1000pF CMOS Comparab...
LT1341: Features: One Receiver Remains Active While in Shutdown ESD Protection Over ±10kV Uses Small Capacitors: 0.1µF, 0.2µF 60µA Supply Current in Shutdown Pin Compatible with LT1137A 1...
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The LT®1341 is an advanced low power three-driver, five-receiver RS232 transceiver. Included on the chip is ashutdown pin for reducing supply current to near zero.
During shutdown one receiver remains active to detectincoming RS232 signals, for example, to wake up asystem. All other receivers and the drivers assumehighimpedance states during shutdown.
The driver disable function provides additional control ofoperating mode. When driver disable is high the chargepump and drivers turn off. Receivers continue to operateduring driver disable.
New ESD structures on the chip allow the LT1341 tosurvive multiple ±10kV strikes, eliminating the need forcostly TransZorbs® on the RS232 line pins.
The LT1341 is fully compliant with all EIA RS232 specifi-cations and operates in excess of 120kbaud even drivingheavy capacitive loads.