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SP3077EENSP3077EEN/TR

更新时间： 2024-11-17 22:30:43
品牌 Logo 应用领域
西伯斯 - SIPEX /
页数 文件大小 规格书
19页 170K
描述
15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe RS-485/RS422 Transceivers

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中文翻译

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SP3077EENSP3077EEN/TR 数据手册

 浏览型号SP3077EENSP3077EEN/TR的Datasheet PDF文件第2页浏览型号SP3077EENSP3077EEN/TR的Datasheet PDF文件第3页浏览型号SP3077EENSP3077EEN/TR的Datasheet PDF文件第4页浏览型号SP3077EENSP3077EEN/TR的Datasheet PDF文件第5页浏览型号SP3077EENSP3077EEN/TR的Datasheet PDF文件第6页浏览型号SP3077EENSP3077EEN/TR的Datasheet PDF文件第7页 
®
SP3070E - SP3078E Family  
±15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe  
RS-485/RS422 Transceivers  
FEATURES  
1
8
7
6
5
VCC  
B
RO  
■ ±15kV ESD protection for RS485 pins  
8 PIN NSOIC  
RE  
DE  
DI  
2
3
4
■ 3.3V low-power operation  
SP3072E  
SP3075E  
SP3078E  
A
■ Advanced Receiver-failsafe protection for  
open, shorted or terminated lines  
GND  
Half Duplex  
■ Up to 256 Transceivers may share Bus  
■ Very low load for 8x greater fanout  
■ Hot Swap glitch protection RE and DE  
VCC  
RO  
DI  
1
8
7
6
5
A
B
Z
Y
8 PIN NSOIC  
■ Thermal shutdown protects against driver  
2
3
4
SP3071E  
SP3074E  
SP3077E  
contention  
■ Available in three industry standard foot-  
GND  
Full Duplex  
prints  
■ SP3070E, 3073 and 3076 in Full-Duplex (14 pin)  
■ SP3071E, 3074 and 3077 in Full-Duplex (8 pin)  
■ SP3072E, 3075 and 3078 in Half-Duplex (8 pin)  
■ Three applications-optimized speed grades  
■ SP3070-72E: 250kbps slew-limited  
NC  
1
VCC  
14  
RO  
RE  
DE  
DI  
2
3
4
5
6
7
NC  
A
13  
12  
11  
10  
14 Pin NSOIC  
SP3070E  
SP3073E  
SP3076E  
B
■ SP3073-75E: 500kbps slew-limited  
■ SP3076-78E: 16Mbps high speed  
Z
Full Duplex  
GND  
Y
9
8
NC  
GND  
■ Small form factor SO-narrow packages  
■ Industrial (-40 to +85ºC) and Extended  
(-40 to +85ºC) temperature grades  
Now Available in Lead Free Packaging  
APPLICATIONS  
■ Industrial Control, Utility Meters Building Automation, Instrumentation, Point of Sale  
DESCRIPTION  
The SP3070-3078E differential line transceivers are suitable for bidirectional communication  
on balanced multipoint bus transmission lines and comply with both RS485 and RS422 EIA  
Standards. Each device consists of a differential driver and differential receiver. All devices  
operate from a 3.3V power supply.  
High receiver input impedance allows a large number of transceivers to share a common data  
bus while maintaining signal margin and without excessive loading or use of expensive  
repeaters. The high impedance driver output is maintained over the entire common-mode  
voltage range from -7 to +12V. Receivers will failsafe to logic 1 output when inputs are open,  
shorted or terminated. Drivers include built-in short-circuit protection and a thermal-overload  
shutdown to protect against excessive power dissipation from bus contention or cable faults.  
All RS485 inputs are ESD protected up to ±15kV (Air-Gap and Human Body Model) and up  
to ±8kV Contact discharge (IEC 1000-4-2).  
Date: 03/28/05  
SP3070E - SP3078E Family, ±15kV ESD-Protected, Failsafe RS-485/RS422 Transceivers  
© Copyright 2005 Sipex Corporation  
1
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