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SP3073E PDF预览

SP3073E

更新时间: 2024-01-14 04:22:11
品牌 Logo 应用领域
西伯斯 - SIPEX /
页数 文件大小 规格书
19页 198K
描述
【15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe

SP3073E 数据手册

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®
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  
1
8
7
6
5
A
B
Z
Y
8 PIN NSOIC  
Thermal shutdown protects against driver  
2
3
4
SP3071E  
SP3074E  
SP3077E  
contention  
DI  
I
Available in three industry standard foot-  
GND  
Full Duplex  
prints  
SP3070E, SP3073E and SP3076E in Full-Duplex (14 pin)  
SP3071E, SP3074E and SP3077E in Full-Duplex (8 pin)  
SP3072E, SP3075E and SP3078E in Half-Duplex (8 pin)  
Three applications-optimized speed grades  
SP3070-72E: 250kbps fully slew-limited  
SP3073-75E: 500kbps slew-limited  
SP3076-78E: 16Mbps high speed  
Small form factor SO-narrow packages  
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
Z
Full Duplex  
GND  
Y
9
8
NC  
GND  
Industrial (-40 to +85ºC) and Extended  
(-40 to +125ºC) 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: 03/31/05  
SP3070E - SP3078E Family, ± 15kV ESD-Protected, Failsafe RS-485/RS422 Transceivers  
© Copyright 2005 Sipex Corporation  
1

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