Linear Technology LT1781
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. The LT1780/ LT1781 are fully compliant with EIA RS232 standards.| Part No. | LT1781 |
|---|---|
| Datasheet | LT1781 Download |
| Manufacturer |  Linear Technology |
| Description | Low Power 5V RS232 Dual Driver/Receiver with 15kV ESD Protection |
| Buy | Stock & Price |
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 Power: 40mW Operates from a Single 5V Supply Rugged Bipolar Design Outputs Assume a High Impedance State When Off or Powered Down Meets All RS232 Specifications Available With or Without Shutdown Absolutely No Latch-up APPLICATI s s s s s S Portable Computers Battery-Powered Systems Power Supply Generator Terminals Modems TYPICAL APPLICATI 2 0.1µF 4 LT1780 5 0.1µF 6 12 LOGIC INPUTS 7 3 17 5V INPUT V + OUT 0.1µF V – OUT 0.1µF DRIVER OUTPUT RL = 3k CL = 2500pF 15 RS232 OUTPUT 11 13 8 14 5k RECEIVER OUTPUT R CL = 50pF RS232 OUTPUT RS232 INPUT INPUT LOGIC OUTPUTS 10 18 9 5k 16 RS232 INPUT ON/OFF 1780/81● TA01 U UO UO Output Waveforms 1780/81
● TA02 1 LT1780/LT1781 ABSOLUTE AXI U RATI GS Supply Voltage (VCC) ................................................
