EL4421C Datasheet, PDF (1/16 Pages) Elantec Semiconductor – Multiplexed-Input Video Amplifiers

EL4421C 22C 41C 42C 43C 44C
Multiplexed-Input Video Amplifiers
Features
 Unity or ^a 2-gain bandwidth of
80 MHz
 70 dB off-channel isolation at
4 MHz
 Directly drives high-impedance
or 75X loads
 02% and 02 differential gain
and phase errors
 8 ns switching time
 ^k100 mV switching glitch
 0 2% loaded gain error
 Compatible with g3V to g15V
supplies
 160 mW maximum dissipation at
g5V supplies
Ordering Information
Part No Temp Range Package Outline
EL4421CN
EL4421CS
EL4422CN
EL4422CS
40 C to a85 C 8 Pin PDIP MDP0031
40 C to a85 C 8 Pin SO MDP0027
40 C to a85 C 8 Pin PDIP MDP0031
40 C to a85 C 8 Pin SO MDP0027
EL4441CN
EL4441CS
EL4442CN
EL4442CS
40 C to a85 C 14 Pin PDIP MDP0031
40 C to a85 C 14 Pin SO MDP0027
40 C to a85 C 14 Pin PDIP MDP0031
40 C to a85 C 14 Pin SO MDP0027
EL4443CN
EL4443CS
EL4444CN
EL4444CS
40 C to a85 C 14 Pin PDIP MDP0031
40 C to a85 C 14 Pin SO MDP0027
40 C to a85 C 14 Pin PDIP MDP0031
40 C to a85 C 14 Pin SO MDP0027
General Description
The EL44XX family of video multiplexed-amplifiers offers a
very quick 8 ns switching time and low glitch along with very
low video distortion The amplifiers have good gain accuracy
even when driving low-impedance loads To save power the am-
plifiers do not require heavy loading to remain stable
The EL4421 and EL4422 are two-input multiplexed amplifiers
The -inputs of the input stages are wired together and the de-
vice can be used as a pin-compatible upgrade from the
MAX453
The EL4441 and EL4442 have four inputs also with common
feedback These may be used as upgrades of the MAX454
The EL4443 and EL4444 are also 4-input multiplexed amplifi-
ers but both positive and negative inputs are wired separately
A wide variety of gain- and phase-switching circuits can be built
using independent feedback paths for each channel
The EL4421 EL4441 and EL4443 are internally compensated
for unity-gain operation The EL4422 EL4442 and EL4444 are
compensated for gains of ^a2 or more especially useful for driv-
ing back-matched cables
The amplifiers have an operational temperature of 40 C to
a_{85 C and are packaged in plastic 8- and 14-pin DIP and 8- and}
14-pin SO
The EL44XX multiplexed-amplifier family is fabricated with
Elantec’s proprietary complementary bipolar process which
gives excellent signal symmetry and is very rugged
Connection Diagrams
EL4421 EL4422
EL4441 EL4442
EL4443 EL4444
4421 1
Manufactured under U S Patent No 5 352 987
4421 2
4421 3
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these
specifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation
1994 Elantec Inc