供应集成电路SM712
| 价 格： | 面议 | |
| 型号/规格： | SM712 | |
| 品牌/商标： | 进口 |
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
|||
|
1 www.semtech.com
SM712
Asymmetrical TVS Diode for
Extended Common-Mode RS-485
Description Features
Circuit Diagram Schematic & PIN Configuration
Revision 11/17/04
The SM712 transient voltage suppressor (TVS) diode is
designed for asymmetrical (12V to -7V ) protection in
multi-point data transmission standard RS-485 applications.
The SM712 may be used to protect devices
from transient voltages resulting from electrostatic
discharge (ESD), electrical fast transients (EFT), and
lightning.
The SM712 features 400 Watts (tp = 8/20μs) of
power handling capability to accommodate the higher
transient voltage levels which may be expected in
extended common mode applications. This provides
higher equipment reliability and eliminates the “guess
work” required when using zener diodes that are not
rated to handle such transient conditions.
The SM712 replaces four discrete components by
integrating two 12V and two 7V TVS diodes in a single
package. The integrated design aids in reducing
voltage over-shoot associated with trace inductance.
The low clamping voltage of the SM712 minimizes the
stress on the protected transceiver. The SOT23
package allows flexibility in the design of “crowded”
circuit boards.
Applications
Mechanical Characteristics
Protection of RS-485 transceivers with extended
common-mode range
Security systems
Automatic Teller Machines
HFC systems
Networks
400 watts peak pulse power (tp = 8/20μs)
Transient protection for asymmetrical data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
IEC 61000-4-5 (Lightning) 12A (8/20μs)
Protects two +12V to -7V lines
Low capacitance
Low clamping voltage
Solid-state silicon avalanche technology
JEDEC SOT23 package
Molding compound flammability rating: UL 94V-0
Marking : 712
Packaging : Tape and
集成电路需要的软件有：
一般都用cadence全套的，搜ic5141就能找到，是一个完整的全定制设计平台，里面包括schematic composer（管级设计），spactre（仿真），virtuoso（版图），calibre（版图验证）等等。 另外还常用synopsys的hspice，design vision（数字综合工具） cadence也有半定制设计平台，常用的有NC系列。 另外tanner的版图工具也是业界比较常用的
- 所属城市：广东 深圳
- [联系时请说明来自维库仪器仪表网]
- 联系人： 柯菱
- 电话：0755-83041767/83372015/82716726
- 传真：0755-82716726
- 手机：13510940754
- QQ ：
供应集成电路LMS1585AIS-3.3
信息内容：Manufacturer: Texas Instruments RoHS: No Input Voltage MAX: 13 V Output Voltage: 3.3 V Dropout Voltage (Max): 1.3 V at 3 A, 1.4 V at 5 A Output Current: 5 A ...
供应FTDI集成电路FT232RQ
信息内容：作用二：搞高性能 就如上面说的台计算机一样，当时的运行速度是5000每秒。但是现在计算机中的应用是当时的几十倍或上百倍。的变化元器件都集成到了一起，也减少了外电信号的干扰，电路设计方面也有了很大的提升。从而搞高了运行速度。这性能的变化。 作用三：方便应用 在电路中，其实有功能都是单一的，就像现实生活中一样，广告设计就会去做广告、会编程的就去写程序。电路中也是一样，一种功能就会对应着一种电路，那么就可以把一种功能集中成一个集成电路中，那么在以后应用中，要什么功能就可以应用相应的集成电路，从而大大方便了应用中。但是现在不仅仅是一种功能集中在一个集成块中，而是功能集中在一个集成电路中。
