EL4421C 22C 41C 42C 43C 44C
Multiplexed-Input Video Amplifiers
Closed-Loop AC Electrical Characteristics
Power supplies at
g
5V T
A
e
25 C for EL4421 EL4441 and EL4443 A
V
e a
1 and R
L
e
500X for EL4422 EL4442 and EL4444
Contd
A
V
e a
2 and R
L
e
150X with R
F
e
R
G
e
270X and C
F
e
3 pF for all C
L
e
15 pF
Parameter
d
O
Description
Differential Phase Error V
OFFSET
between
b
0 7V and
a
0 7V
EL4421 EL4441 EL4443 (V
S
e
g
12V)
EL4421 EL4441 EL4443 (V
S
e
g
5V)
EL4422 EL4442 EL4444 (V
S
e
g
12V)
EL4422 EL4442 EL4444 (V
S
e
g
5V)
Multiplex Delay Time Logic Threshold to 50% Signal Change
EL4421 ’22
EL4441 ’42 ’43 ’44
Peak Multiplex Glitch
EL4421 ’22
EL4441 ’42 ’43 ’44
Channel Off Isolation at 3 58 MHz (See Text)
EL4421 EL4441 EL4443
EL4422 EL4442 EL4444
Min
Typ
Max
Test
Level
V
V
V
V
V
V
V
V
V
V
nsec
nsec
mV
mV
dB
dB
TD is 2 4in
Units
0 01
01
0 02
0 15
8
12
70
100
76
63
T
MUX
V
GLITCH
ISO
Typical Performance Curves
EL4421 EL4441 and EL4443
Small-Signal Transient Response
V
S
e
g
5V R
L
e
500X
EL4421 EL4441 and EL4443
Large-Signal Response
V
S
e
g
12V R
L
e
500X
4421 – 5
4421 – 6
EL4421 EL4441 and EL4443
Frequency Response for
Various Gains
EL4422 EL4442 and EL4444
Frequency Response for
Various Gains
4421 – 7
4421 – 8
4
ELANTEC [ ELANTEC SEMICONDUCTOR ]
