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FOD070L

Fairchild Semiconductor
Part Number FOD070L
Manufacturer Fairchild Semiconductor
Description (FOD070L - FOD270L) LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS
Published May 29, 2007
Detailed Description LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS SINGLE CHANNEL: DUAL CHANNEL: DESCRIPT...
Datasheet PDF File FOD070L PDF File

FOD070L
FOD070L

Overview
LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS SINGLE CHANNEL: DUAL CHANNEL: DESCRIPTION The FOD070L, FOD270L and FOD073L optocouplers consist of an AlGaAs LED optically coupled to a high gain split darlington photodetector.
These devices are specified to operate at a 3.
3V supply voltage.
The split darlington configuration separating the input photodiode and the first stage gain from the output transistor permits lower output saturation voltage and higher speed operation than possible with conventional darlington phototransistor optocoupler.
In the dual channel device FOD073L, an integrated emitter – base resistor provides superior stability over temperature.
The combination of a very low input current of 0.
5 mA and a high current transfer ratio of 2000% makes this family particularly useful for input interface to MOS, CMOS, LSTTL and EIA RS232C, while output compatibility is ensured to LVCMOS as well as high fan-out LVTTL requirements.
An internal noise shield provides exceptional common mode rejection of 10 kV/µs.
8 1 8 1 FOD070L FOD073L FOD270L 8 1 FEATURES • Low power consumption • Low input current - 0.
5 mA • Available in single channel 8-pin DIP (FOD270L), 8-pin SOIC (FOD070L) and dual channel 8-pin SOIC • High CTR-2000% • High CMR-10 kV/µs • Guaranteed performance over temperature 0°C to 70°C • U.
L.
recognized (File # E90700) • LVTTL/LVCMOS Compatible output N/C 1 8 VCC + 1 V + 2 VF _ 3 6 VO _ V N/C 4 5 GND 3 6 V02 7 VB F1 8 VCC _ 2 7 V01 F2 + 4 5 GND FOD070L / FOD270L FOD073L APPLICATIONS • • • • • • Digital logic ground isolation – LVTTL/LVCMOS Telephone ring detector EIA-RS-232C line receiver High common mode noise line receiver µP bus isolation Current loop receiver TRUTH TABLE LED ON OFF VO LOW HIGH © 2004 Fairchild Semiconductor Corporation Page 1 of 17 8/10/04 LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS SINGLE CHANNEL: DUAL CHANNEL: FOD070L FOD073L FOD270L ABSOLUTE...


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