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| 型号： | LMS202IMX |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | Buffer和线驱动 |
| 英文描述： | 5V Single Supply TIA/EIA-232 Dual Transceivers |
| 中文描述： | DUAL LINE TRANSCEIVER, PDSO16 |
| 封装： | SOIC-16 |
| 文件页数： | 1/6页 |
| 文件大小： | 104K |
| 代理商： | LMS202IMX |
LMS202
5V Single Supply TIA/EIA-232 Dual Transceivers
General Description
The LMS202 features two transmitters and two receivers for
RS-232 communication. It has a DC-to-DC converter that
permits the device to operate with only a single +5V power
supply. The on-chip DC-to-DC converter which utilizes four
external 0.1F capacitors to generate dual internal power
supplies for RS-232 compatible output levels.
The device meet EIA/TIA-232E and CCITT V.28 specifica-
tions up to 230kbits/sec. The LMS202 is available in a 16 pin
narrow and Wide SOIC package.
Features
n
Single +5V power supply
n
230 kbps data rate
n
On-board DC-to-DC converter
n
0.1F charge pump capacitors
n
Drop-in replacement to Maxim’s MAX202
Applications
n
POS equipment (Bar code reader)
n
Hand-held equipment
n
General purpose RS-232 communication
Connection Diagram and Typical Circuit
20062901
March 2003
LMS202
5V
Single
Supply
TIA/EIA-232
Dual
T
ransceivers
2003 National Semiconductor Corporation
DS200629
www.national.com
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