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EL4331CS Schematic ( PDF Datasheet ) - Elantec Semiconductor

Teilenummer EL4331CS
Beschreibung Triple 2:1 Mux-Amp AV = 1
Hersteller Elantec Semiconductor
Logo Elantec Semiconductor Logo 




Gesamt 13 Seiten
EL4331CS Datasheet, Funktion
EL4331C
Triple 2:1 Mux-Amp AV = 1
Features
• 3 ns A-B switching
• 300 MHz bandwidth
• Power down mode
• TTL/CMOS compatible controls
• Fixed gain of 1
• 400V/µs slew rate
Applications
• RGB multiplexing
• Picture-in-picture
• Cable driving
• HDTV processing
• Switched gain amplifiers
• ADC input multiplexer
Ordering Information
Part No.
EL4331CS
Temp. Range
Package
-45°C to +85°C 16-Lead SOIC
Outline#
MDP0027
General Description
The EL4331C is a triple, very high speed, 2:1 Multiplexing Amplifier.
It is intended primarily for component video multiplexing, and is espe-
cially suited for pixel switching. The amplifiers have their gain set to
1, internally. All three amplifiers are switched simultaneously from
their A to B inputs by the TTL/CMOS compatible, common A/B con-
trol pin.
The EL4331C has a power down mode, in which the total supply cur-
rent drops to less than 1 mA. In this mode, each output will appear as
a high impedance.
The EL4331C runs from standard ±5V supplies, and is available in the
narrow 16-pin small outline package.
Connection Diagrams
© 1995 Elantec, Inc.






EL4331CS Datasheet, Funktion
EL4331C
Triple 2:1 Mux-Amp AV = 1
Frequency Response with 150and
Various Values of Capacitive Load
Frequency Response with 240and
Various Values of Capacitive Load
A-Input to B-Input Isolation
Channel to Channel Isolation
Supply Current
vs Power Down Voltage
-3 dB BW vs Supply Voltage
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6 Page









EL4331CS pdf, datenblatt
EL4331C
Triple 2:1 Mux-Amp AV = 1
-2.5V transition. This is another PD caused glitch, simi-
lar to the step 4 to step 5 glitch, but with a much
increased magnitudewhich causes significantly more
fighting between the output stages.
Despite the glitches, if the PD switching can be done
during signal blanking, and only A/B switching is used
during the picture, this simple multiplexer has signifi-
cant parts savings and power savings when compared to
the high performance multiplexer in the previous appli-
cation note.
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