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LT1237

Features: ` One Receiver Remains Active While in SHUTDOWN` ESD Protection over ±10kV` Uses Small Capacitors: 0.1mF, 0.2mF, 1.0mF` 60mA Supply Current in SHUTDOWN`Pin-Compatible with LT1137A`120kBaud Operation for RL = 3k, CL = 2500pF`250kBaud Operation for RL = 3k, CL = 1000pF`CMOS Comparable Low ...

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SeekIC No. : 004400468 Detail

LT1237: Features: ` One Receiver Remains Active While in SHUTDOWN` ESD Protection over ±10kV` Uses Small Capacitors: 0.1mF, 0.2mF, 1.0mF` 60mA Supply Current in SHUTDOWN`Pin-Compatible with LT1137A`120kBaud...

LT1237 Data Sheet

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Part Number:
LT1237
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

` One Receiver Remains Active While in SHUTDOWN
` ESD Protection over ±10kV
` Uses Small Capacitors: 0.1mF, 0.2mF, 1.0mF
` 60mA Supply Current in SHUTDOWN
`Pin-Compatible with LT1137A
`120kBaud Operation for RL = 3k, CL = 2500pF
`250kBaud Operation for RL = 3k, CL = 1000pF
`CMOS Comparable Low Power 30mW
`Operates from a Single 5V Supply
`Easy PC Layout Flowthrough Architecture
`Rugged Bipolar Design
`Outputs Assume a High Impedance State When Off or Powered Down
`Absolutely No Latchup
`Available in SO and SSOP Packages


Application

·Notebook Computers
·Palmtop Computers


Pinout

Connection Diagram


Specifications

Supply Voltage (VCC) ......................................... 6V
V+ ................................................................. 13.2V
V ............................................................. 13.2V
Input Voltage
Driver ....................................................... V to V+
Receiver ............................................. 30V to 30V
Output Voltage
Driver ................................................. 30V to 30V
Receiver ................................. 0.3V to VCC + 0.3V
Short Circuit Duration
V+ ................................................................ 30 sec
V ............................................................... 30 sec
Driver Output .......................................... Indefinite
Receiver Output ...................................... Indefinite
Operating Temperature Range
LT1237I ..................................... 40°C to 85°C
LT1237C .......................................... 0°C to 70°C
Storage Temperature Range .... 65°C to 150°C
Lead Temperature (Soldering, 10 sec)........ 300°C


Description

The LT1237 is an advanced low power three driver, five receiver RS232 transceiver. Included on the chip is a shutdown pin for reducing supply current near zero. During SHUTDOWN one receiver remains active to detect incoming RS232 signals, for example, to wake up a system.

The LT1237 is fully compliant with all EIA RS232 specifications. New ESD structures on the chip allow the LT1237 to survive multiple ±10kV strikes, eliminating the need for costly TransZorbs® on the RS232 line pins.

The LT1237 operates in excess of 120k baud even driving heavy capacitive loads. Two SHUTDOWN modes allow the driver outputs to be shut down separately from the receivers for more versatile control of the RS232 interface. During SHUTDOWN, drivers and receivers assume a high impedance state.




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