EL4390C
Triple 80 MHz Video Amplifier with DC Restore
e
g
Open Loop DC Electrical Characteristics Supplies at 15V, Load 1KX Ð Contd.
Test
Parameter
Description
Temp
Min
Typ
Max
Units
Level
Restoring Section
a
a
I
I
, RES
, RES
RES Input Current, Logic Low
25 C
§
2
10
3
II
II
mA
mA
IL
RES Input Current, Logic High
25 C
§
0.5
IH
e
b
.
Note 1: For current feedback amplifiers, A
e
g
R
/R
OL IN
VOL
e
g
Note 2: V
10V for V
15V.
to amplifier output, while restoring.
CM
Note 3: Measured from V
S
CL
Note 4: V is measured at V
e
e
g
g
4.5V and V
S
16V, both supplies are changed simultaneously.
OS
S
Closed Loop AC Electrical Characteristics
e
e
g
Supplies at 15V, Load
150X and 15 pF, T
25 C (See note 7 re: test fixture)
§
A
Test
Parameter
Description
Min
Typ
Max
Units
Level
Amplifier Section
SR
SR
BW
Slew Rate (Note 5)
800
550
V
V
V/ms
V/ms
g
Slew Rate w/ 5V Supplies (Note 5)
b
Bandwidth, 3dB, A
5V Supplies, 3dB
e
1
95
72
V
V
MHz
MHz
V
b
g
b
BW
Bandwidth, 0.1 dB
20
14
V
V
MHz
MHz
b
5V Supplies, 0.1dB
g
dG
Differential Gain at 3.58 MHz
0.02
0.02
V
V
%
%
g
at 5V Supplies (Note 6)
di
Differential Phase at 3.58 MHz
0.03
0.06
V
V
( )
§
( )
§
g
at 5V Supplies (Note 6)
Restoring Section
T
RE
T
RD
Time to Enable Restore
Time to Disable Restore
35
35
V
V
ns
ns
e
e
Note 6: DC offset from 0.714V to 0.714V, AC amplitude is 286m Vp-p, equivalent to 40 ire.
e
200X.
G
Note 5: SR is measured at 20% to 80% of 4V pk-pk square wave, with A
5, R
820X, R
V
F
b
a
Note 7: Test fixture was designed to minimize capacitance at the I
b
capacitance to ground at this very sensitive pin. See application notes for further details.
input. A ‘‘good’’ fixture should have less than 2 pF of stray
N
3
ELANTEC [ ELANTEC SEMICONDUCTOR ]
