EL4089C
DC Restored Video Amplifier
Open Loop DC Electrical Characteristics
Provisional Supplies at
g
15V Load
e
1 kX T
A
e a
25 C
Parameter
Restore Section
PSRR
V
THRESHOLD
I
IH
Hold
I
IL
Hold
Supply Current
Isy Hold
Isy Sampling
Supply Current (HOLD
e
5V)
Supply Current (HOLD
e
0V)
a
25 C
a
25 C
Contd
Min
Typ
Max
Test
Level
Units
Description
Contd
Power Supply Rejection Ratio (Note 4)
HOLD Logic Threshold
HOLD Input Current
HOLD Input Current
Logic High
Logic Low
Temp
a
25 C
a
25 C
a
25 C
a
25 C
60
08
90
20
1
5
5
15
II
II
II
II
dB
V
mA
mA
48
50
60
65
90
11 0
II
II
mA
mA
Closed Loop AC Electrical Characteristics
Provisional Supplies at
g
15V Load
e
150X and 15 pF R
f
and R
g
e
300X A
V
e
2 T
A
e
25 C (See Note 7 about Test Fixture)
Parameter
Amplifier Section
SR
SR
BW
BW
dG
dPh
Restore Section
SR
T
HE
T
HD
Note
Note
Note
Note
Note
Note
Note
1
2
3
4
5
6
7
Restore Amplifier Slew Rate
(Test Circuit) 20%–80%
Time to Enable Hold
Time to Disable Hold
25
25
40
V
V
V
V
ms
ns
ns
TD is 3 2in
Slew Rate (Note 5)
Slew Rate with
g
5V Supplies
(Note 5)
Bandwidth
g
5V Supplies
Bandwidth
g
5V Supplies
Differential Gain
at 3 58 MHz (Note 6)
Differential Phase
at 3 58 MHz (Note 6)
b
3 dB
b
3 dB
g
0 1 dB
g
0 1 dB
Description
Min
Typ
Max
Test
Level
Units
500
275
60
55
25
23
0 02
0 03
0 05
0 06
V
V
V
V
V
V
V
V
V
V
V
ms
V
ms
MHz
MHz
MHz
MHz
%
%
V
S
e
g
15V
V
S
e
g
5V
V
S
e
g
15V
V
S
e
g
5V
For current feedback amplifiers A
VOL
e
R
OL
R
IN
b
V
CM
e
g
10V for V
S
e
g
15V
Measured from S H Input to amplifier output while restoring
V
OS
is measured at V
S
e
g
4 5V and V
S
e
g
16V both supplies are changed simultaneously
SR measured at 20% to 80% of a 4V pk-pk square wave
DC offset from
b
0 714V through
a
0 714V ac amplitude is 286 mVp-p equivalent to 40 ire
Test fixture was designed to minimize capacitance at the IN
b
input A ‘‘good’’ fixture should have less than 2 pF of stray
capacitance to ground at this very sensitive pin See application notes for further details
3
TD is 3 2in
ELANTEC [ ELANTEC SEMICONDUCTOR ]
