LM232SA datasheet(1/10 Pages) LEIDITECH

부품명	LM232SA

상세설명	Driver input is compatible with TTL/CMOS logic level

PDF	10 Pages

Scroll/Zoom	100%

제조업체	LEIDITECH [Shanghai Leiditech Electronic Technology Co., Ltd]

홈페이지	http://www.leiditech.com

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1 / 10 page

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C1+

V+

C1-

C2+

C2-

V-

T2OUT

R2IN

R2OUT

T2IN

T1IN

R1OUT

R1IN

T1OUT

GND

VCC

图 1 LM232SA 引脚分布图

特点：

5V±10%电源供电；

双通道

120kbps 通讯速率；

驱动器输入兼容 TTL/CMOS 逻辑电平

RS232 输出兼容 TTL 电平输入电路

接收器输入阻抗最小 3KΩ

产品外形：

描述

LM232SA 是一款 5V 单电源供电、双通道、低功耗的完全满足 TIA/EIA-232 标准要求的

RS-232 收发器。

LM232SA 包括两个驱动器和两个接收器，均可以独立使用，接收器将 RS-232 信号转换成

CMOS 逻辑输出电平，EIA/ TIA-232E 定义电压大于 3V 为逻辑 0，LM232SA 所有的接收器都是

反向的，所以接收器响应 TTL 电平与 EIA/ TIA-232E 电平一致。

在 5V 电源供电下，电荷泵仅需四个 1uF 的外部电容，速率至少达到 120Kbps 无差错数据传

输，两者均可独立使能与关闭。每一路驱动器与接收器均可独立使用。

引脚分布图

提供绿色环保无铅封装

LM232SA

５Ｖ　单电源供电　双通道　ＲＳ２３２收发器

Rev :

www.leiditech.com

01.06.2018

1/10

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LM232SA 데이터시트(PDF) 1 Page - Shanghai Leiditech Electronic Technology Co., Ltd

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유사한 부품 번호 - LM232SA

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