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H11F3 Datasheet
PHOTO FET OPTOCOUPLERS

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PHOTO FET OPTOCOUPLERS
PACKAGE
H11F1 H11F2 H11F3
SCHEMATIC
66
1
1
ANODE 1
CATHODE 2
3
6
OUTPUT
TERM.
5
4
OUTPUT
TERM.
6
1
DESCRIPTION
The H11F series consists of a Gallium-Aluminum-Arsenide IRED emitting diode coupled to a symmetrical bilateral silicon photo-
detector. The detector is electrically isolated from the input and performs like an ideal isolated FET designed for distortion-free
control of low level AC and DC analog signals. The H11F series devices are mounted in dual in-line packages.
FEATURES
As a remote variable resistor
100to 300 M
99.9% linearity
15 pF shunt capacitance
100 GI/O isolation resistance
As an analog switch
• Extremely low offset voltage
• 60 Vpk-pk signal capability
• No charge injection or latch-up
• ton, toff 15 µS
• UL recognized (File #E90700)
• VDE recognized (File #E94766)
– Ordering option ‘300’ (e.g. H11F1.300)
APPLICATIONS
As a variable resistor –
• Isolated variable attenuator
• Automatic gain control
• Active filter fine tuning/band switching
As an analog switch –
• Isolated sample and hold circuit
• Multiplexed, optically isolated A/D conversion
© 2002 Fairchild Semiconductor Corporation
Page 1 of 9
6/24/02

H11F3 datasheets pdf
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