FOD050L, FOD250L, FOD053L LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers

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FOD050L, FOD250L, FOD053L LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers

October 2006

FOD050L, FOD250L: Single Channel FOD053L: Dual Channel LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Features
Low power consumption High speed Available in single channel 8-pin DIP (FOD250L),

Description
The FOD250L, FOD050L and FOD053L optocouplers consist of an AlGaAs LED optically coupled to a high speed photodetector transistor. These devices are specified for operation at a 3.3V supply voltage. A separate connection for the bias of the photodiode improves the speed by several orders of magnitude over conventional phototransistor optocouplers by reducing the base-collector capacitance of the input transistor. An internal noise shield provides superior common mode rejection of CMH 50kV/ms (typical) and CML 35kV/ms (typical).

8-pin SOIC (FOD050L) or dual channel 8-pin SOIC (FOD053L) Superior CMR CMH 50kV/ s (typical) and CML 35kV/ s (typical) Guaranteed performance over temperature: 0 C to 70 C U.L. recognized (File E90700) VDE pending

Applications
Line receivers Pulse transformer replacement High speed logic ground isolation: LVTTL/LVCMOS Wide bandwidth analog coupling

Schematic

N/C 1

8 VCC

1 V
F1

8 VCC

8 1

2 VF 3

7 VB

2

7 V01
8 8 1 1

6 VO

V

3

6 V02

F2

N/C 4

5 GND

4

5 GND

FOD050L, FOD250L

FOD053L

Truth Table
LED On Off VO LOW HIGH

2002 Fairchild Semiconductor Corporation

1

www.fairchildsemi.com

FOD050L, FOD250L, FOD053L Rev. 1.0.0

FOD050L Datasheet Fairchild Download PDF

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