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FODM8071_10 PDF预览

FODM8071_10

更新时间: 2024-11-15 12:19:59
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 光电
页数 文件大小 规格书
13页 369K
描述
3.3V/5V Logic Gate Output Optocoupler with High Noise Immunity

FODM8071_10 数据手册

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May 2010  
FODM8071  
3.3V/5V Logic Gate Output Optocoupler with  
High Noise Immunity  
Features  
Description  
High noise immunity characterized by common mode  
The FODM8071 is a 3.3V/5V high-speed logic gate  
output Optocoupler, which supports isolated communi-  
cations allowing digital signals to communicate between  
systems without conducting ground loops or hazardous  
voltages. It utilizes Fairchild’s patented coplanar packag-  
ing technology, Optoplanar , and optimized IC design to  
achieve high noise immunity, characterized by high com-  
mon mode rejection specifications.  
rejection  
– 20kV/µs minimum common mode rejection  
High speed  
– 20Mbit/sec date rate (NRZ)  
®
– 55ns max. propagation delay  
– 20ns max. pulse width distortion  
– 30ns max. propagation delay skew  
3.3V and 5V CMOS compatibility  
This high-speed logic gate output optocoupler, housed in  
a compact 5-Pin Mini-Flat package, consists of a high-  
speed AlGaAs LED at the input coupled to a CMOS  
detector IC at the output. The detector IC comprises an  
integrated photodiode, a high-speed transimpedance  
amplifier and a voltage comparator with an output driver.  
The CMOS technology coupled with a high efficiency  
LED achieves low power consumption as well as very  
high speed (55ns propagation delay, 20ns pulse width  
distortion).  
Specifications guaranteed over 3V to 5.5V supply  
voltage and -40°C to +110°C temperature range  
Safety and regulatory approvals  
– UL1577, 3750 VAC  
for 1 min.  
RMS  
– IEC60747-5-2 (pending)  
Applications  
Microprocessor system interface  
2
– SPI, I C  
Industrial fieldbus communications  
– DeviceNet, CAN, RS485  
Related Resources  
www.fairchildsemi.com/products/opto/  
Programmable logic control  
Isolated data acquisition system  
Voltage level translator  
www.fairchildsemi.com/pf/FO/FOD8001.html  
www.fairchildsemi.com/pf/FO/FOD0721.html  
Functional Schematic  
Truth Table  
V
V
ANODE 1  
6
5
DD  
O
LED  
Off  
Output  
High  
On  
Low  
CATHODE  
GND  
3
4
©2008 Fairchild Semiconductor Corporation  
FODM8071 Rev. 1.0.7  
www.fairchildsemi.com  

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