LT1330

PRODUCTION

5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown

Data Sheet Product Selection Table
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Overview

  • 3V Logic Interface
  • ESD Protection over ±10kV
  • Uses Small Capacitors: 0.1µF, 0.2µF, 1.0µF
  • One Low Power Receiver Remains Active While in SHUTDOWN
  • Pin Compatible with LT1137A and LT1237
  • 120kBaud Operation for RL = 3k, CL = 2500pF
  • 250kBaud Operation for RL = 3k, CL = 1000pF
  • CMOS Comparable Low Power: 30mW
  • Easy PC Layout - Flowthrough Architecture
  • Rugged Bipolar Design
  • Outputs Assume a High Impedance State When Off or Powered Down
  • Absolutely No Latchup
  • 60µA Supply Current in Shutdown
  • Available in SO and SSOP Packages

The LT1330 is a three driver, five receiver RS232 transceiver with low supply current. Designed to interface with new 3V logic, the LT1330 operates with both a 5V power supply and a 3V logic power supply. The chip may be shut down to micropower operation with one receiver remaining active to monitor RS232 inputs such as ring detect from a modem.

The LT1330 is fully compliant with all EIA RS232 specifications. Additionally, the RS232 line input and output pins are resilient to multiple ±10kV ESD strikes. This eliminates the need for costly TransZorbs® on line pins for the RS232 part.

The LT1330 operates to 120kbaud even driving high capacitive loads. During shutdown, driver and receiver outputs are at a high impedance state allowing devices to be paralleled.

Applications

  • Notebook Computers
  • Palmtop Computers
LT1330
5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown
Output Waveforms Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 4

Data Sheet

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