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LT1181A - LT1181A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors

LT1181A是LINEAR凌力尔特公司的一款RS232 / RS562 收发器产品，LT1181A是LT1181A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors，本站介绍了LT1181A的封装应用图解、特点和优点、功能等，并给出了与LT1181A相关的LINEAR元器件型号供参考。

LT1181A - LT1181A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors - RS232 / RS562 收发器 - 接口器件 - 凌力尔特

LT1181A - Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors

LT1181A - Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors - Linear Technology（凌力尔特）

功能描述

Most H (Metal Can), J (Ceramic), and K (Metal Can) Packages from Linear Technology Are Now Obsolete

Download Complete Datasheet for Details

The LT1180A/LT1181A are dual RS232 driver/receiver pairs with integral charge pump to generate RS232 voltage levels from a single 5V supply. These circuits feature rugged bipolar design to provide operating fault tolerance and ESD protection unmatched by competing CMOS designs. Using only 0.1µF external capacitors, these circuits consume only 40mW of power, and can operate to 120k baud even while driving heavy capacitive loads. New ESD structures on the chip allow the LT1180A/LT1181A to survive multiple ±10kV strikes, eliminating the need for costly TransZorbs on the RS232 line pins. The LT1180A/LT1181A are fully compliant with EIA RS232 standards. Driver outputs are protected from overload, and can be shorted to ground or up to ±30V without damage. During shutdown or power-off conditions, driver and receiver outputs are in a high impedance state, allowing line sharing.

The LT1181A is available in 16-pin DIP and SO packages. The LT1180A is supplied in 18-pin DIP and SO packages for applications which require shutdown.

特点

ESD Protection over ±10kV

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

Available in SO Package

应用

Portable Computers

Battery-Powered Systems

Power Supply Generator

Terminals

Modems

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LT1181ACN	N-16	C	$3.08	$2.40
LT1181ACN#PBF	N-16	C	$3.08	$2.40
LT1181ACSW	SW-16	C	$3.42	$2.65
LT1181ACSW#PBF	SW-16	C	$3.42	$2.65
LT1181ACSW#TR	SW-16	C		$2.71
LT1181ACSW#TRPBF	SW-16	C		$2.71
LT1181AIN	N-16	I	$4.00	$3.15
LT1181AIN#PBF	N-16	I	$4.00	$3.15
LT1181AISW	SW-16	I	$4.42	$3.40
LT1181AISW#PBF	SW-16	I	$4.42	$3.40
LT1181AISW#TR	SW-16	I		$3.46
LT1181AISW#TRPBF	SW-16	I		$3.46

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