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ADI LT1237CSW#PBF product image
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ADI LT1237CSW#PBF

Manufacturer
MPN
LT1237CSW#PBF
LCSC Part #
C663252
Packaging
SO-28-300mil
Customer #
Key Attributes
5V RS232 Transceiver with Advanced Power Management and One Receiver Active in Shutdown
DatasheetADI LT1237CSW#PBF
RoHS Compliance1 documents available
Alternative Parts12
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QtyUnit Price(Reference Only)Total Amount
1+$ 5.342$ 5.34
10+$ 4.5712$ 45.71
30+$ 4.1133$ 123.40
100+$ 3.6508$ 365.08
500+$ 3.4365$ 1718.25
1,000+$ 3.3409$ 3340.90
Standard Packaging27/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Interface/Drivers, Receivers, Transceivers
ManufacturerADI
PackagingSO-28-300mil
TypeTransceiver
Voltage - Supply5V
Data Rate-
Operating Temperature-
ESD Protect±15kV
charge pumpYes
Number of Drivers3
Number of Receivers5
FeaturesWake-up function;Short-Circuit Protection
Quiescent Supply Current12mA

Introduction

AI Translation

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 ±15kV strikes, eliminating the need for costly TransZorbs on the RS232 line pins. The LT1237 operates in excess of 120kbaud 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.

Features

AI Translation
  • One Receiver Remains Active While in Shutdown
  • ESD Protection over ±15kV
  • Uses Small Capacitors: 0.1µF, 0.2µF, 1.0µF
  • 60µA Supply Current in Shutdown
  • Pin Compatible with LT1137A
  • 120kBaud Operation for R_L = 3k_r, C_L = 2500pF
  • 250kBaud Operation for R_L = 3k_r, C_L = 1000pF
  • Operates to 120kBaud
  • 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

Applications

AI Translation
  • Notebook Computers
  • Palmtop Computers

Alternative Parts

MPNManufacturerPackagingAvailabilityUnit Price
LT1237CSW#TRPBFADISO-28-300mil0$ 4.6714
LT1341CSW#TRPBFADISO-28-300mil0$ 4.6714
LT1342CSW#PBFADISO-28-300mil0$ 5.1463
LT1342CSW#TRPBFADISO-28-300mil0$ 4.5003
LTC1337CSW#PBFADISO-28-300mil0$ 4.4294
LTC1337CSW#TRPBFADISO-28-300mil0$ 5.4947
LTC1347CSW#PBFADISO-28-300mil0$ 5.1148
LTC1347CSW#TRPBFADISO-28-300mil0$ 5.4973
LTC1349CSW#PBFADISO-28-300mil0$ 5.1148
LTC1349CSW#TRPBFADISO-28-300mil0$ 5.4973
LTC1349ISW#PBFADISO-28-300mil0$ 10.1975
LTC1349ISW#TRPBFADISO-28-300mil0$ 5.3415