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.
2001 Elantec Semiconductor, Inc.
EL
5191C
General Description
The EL5191C amplifier is of the current feedback variety and exhibits
a very high bandwidth of 1GHz. This makes this amplifier ideal for
today's high speed video and monitor applications, as well as a num-
ber of RF and IF frequency designs.
With a supply current of just 9mA and the ability to run from a single
supply voltage from 5V to 10V, these amplifiers offer very high per-
formance for little power consumption.
For applications where board space is critical, the EL5191C is offered
in the 5-pin SOT23 package, as well as an industry standard 8-pin SO.
The EL5191C operates over the industrial temperature range of -40
C
to +85
C.
OUT
V
S
-
V
S
+
IN-
IN+
5-Pin SOT23
1
2
3
5
4
-
+
EL5191CW
Pin Configurations
1
2
3
4
8
7
6
5
-
+
IN-
IN+
V
S
-
NC
OUT
V
S
+
NC
NC*
8-Pin SO
EL5191CS
* This pin must be left disconnected
Features
1GHz -3dB bandwidth
9mA supply current
Single and dual supply operation,
from 5V to 10V supply span
Available in 5-pin SOT23 package
High speed, 600MHz product
available (EL5192C, EL5292C,
and EL5392C)
Lower power, 300MHz product
available (EL5193C, EL5293C,
EL5393C)
Applications
Video Amplifiers
Cable Drivers
RGB Amplifiers
Test Equipment
Instrumentation
Current to Voltage Converters
Ordering Information
Part No
Package
Tape &
Reel
Outline #
EL5191CW-T7
5-Pin SOT23
7"
MDP0038
EL5191CW-T13
5-Pin SOT23
13"
MDP0038
EL5191CS
8-Pin SO
-
MDP0027
EL5191CS-T7
8-Pin SO
7"
MDP0027
EL5191CS-T13
8-Pin SO
13"
MDP0027
EL5191C
1GHz Current Feedback Amplifier
Ap
r
i
l 12, 2001
2
EL5191C
1GHz Current Feedback Amplifier
E
L
5191C
Absolute Maximum Ratings
(T
A
= 25C)
Values beyond absolute maximum ratings can cause the device to be pre-
maturely damaged. Absolute maximum ratings are stress ratings only and
functional device operation is not implied.
Supply Voltage between V
S
+ and V
S
-
11V
Maximum Continuous Output Current
50mA
Operating Junction Temperature
125C
Power Dissipation
See Curves
Pin Voltages
V
S
- - 0.5V to V
S
+ +0.5V
Storage Temperature
-65C to +150C
Operating Temperature
-40C to +85C
Important Note:
All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the
specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
.
Electrical Characteristics
V
S
+ = +5V, V
S
- = -5V, R
F
= 392
for A
V
= 1, R
F
= 250
for A
V
= 2, R
L
= 150
, T
A
= 25C unless otherwise specified.
Parameter
Description
Conditions
Min
Typ
Max
Unit
AC Performance
BW
-3dB Bandwidth
A
V
= +1
1000
MHz
A
V
= +2
600
MHz
BW1
0.1dB Bandwidth
30
MHz
SR
Slew Rate
V
O
= -2.5V to +2.5V, A
V
= +2
2500
2800
V/s
ts
0.1% Settling Time
V
OUT
= -2.5V to +2.5V, A
V
= -1
7
ns
e
n
Input Voltage Noise
3.8
nV/
Hz
i
n
-
IN- input current noise
25
pA/
Hz
i
n
+
IN+ input current noise
55
pA/
Hz
dG
Differential Gain Error
[1]
A
V
= +2
0.035
%
dP
Differential Phase Error
[1]
A
V
= +2
0.04
DC Performance
V
OS
Offset Voltage
-15
1
15
mV
T
C
V
OS
Input Offset Voltage Temperature Coefficient
Measured from T
MIN
to T
MAX
5
V/C
R
OL
Transimpedance
150
300
k
Input Characteristics
CMIR
Common Mode Input Range
3
3.3
V
CMRR
Common Mode Rejection Ratio
42
50
dB
-ICMR
- Input Current Common Mode Rejection
-6
6
A/V
+I
IN
+ Input Current
-120
40
120
A
-I
IN
- Input Current
-40
5
40
A
R
IN
Input Resistance
27
k
C
IN
Input Capacitance
0.5
pF
Output Characteristics
V
O
Output Voltage Swing
R
L
= 150
to GND
3.4
3.7
V
R
L
= 1K
to GND
3.8
4.0
V
I
OUT
Output Current
R
L
= 10
to GND
95
120
mA
Supply
Is
ON
Supply Current
No Load, V
IN
= 0V
8
9
10.5
mA
PSRR
Power Supply Rejection Ratio
DC, V
S
= 4.75V to 5.25V
55
75
dB
-IPSR
- Input Current Power Supply Rejection
DC, V
S
= 4.75V to 5.25V
-2
2
A/V
1.
Standard NTSC test, AC signal amplitude = 286mV
P-P
, f = 3.58MHz
3
EL5191C
1GHz Current Feedback Amplifier
EL
5191C
Typical Performance Curves
Non-Inverting Frequency Response (Phase)
1M
10M
100M
1G
Frequency (Hz)
P
has
e (
)
90
0
-90
-180
-270
-360
A
V
=2
A
V
=5
A
V
=10
A
V
=1
R
F
=390
R
L
=150
Inverting Frequency Response (Gain)
SOT23 Package
1M
10M
100M
1G
Frequency (Hz)
N
o
rm
al
i
z
ed M
agni
t
ude (d
B
)
6
2
-2
-6
-10
-14
R
F
=250
R
L
=150
A
V
=-2
A
V
=-5
A
V
=-1
Inverting Frequency Response (Phase)
1M
10M
100M
1G
Frequency (Hz)
Ph
a
s
e
(
)
90
0
-90
-180
-270
-360
R
F
=250
R
L
=150
A
V
=-2
A
V
=-5
A
V
=-1
Non-Inverting Frequency Response (Gain)
SOT23 Package
1M
10M
100M
1G
Frequency (Hz)
No
rm
al
i
z
e
d
M
a
gni
t
ude
(dB
)
6
2
-2
-6
-10
-14
R
F
=390
R
L
=150
A
V
=2
A
V
=5
A
V
=10
A
V
=1
Frequency Response for Various C
IN
-
1M
10M
1G
Frequency (Hz)
N
o
rm
al
i
z
ed M
agni
t
ude (d
B
)
10
6
2
-2
-6
-10
0pF added
2pF added
1pF added
100M
A
V
=2
R
F
=250
R
L
=150
Frequency Response for Various R
L
1M
10M
100M
1G
Frequency (Hz)
N
o
rm
al
i
z
ed M
agni
t
ude (d
B
)
6
2
-2
-6
-10
-14
A
V
=2
R
F
=250
R
L
=100
R
L
=150
R
L
=500
4
EL5191C
1GHz Current Feedback Amplifier
E
L
5191C
Typical Performance Curves
Frequency Response for Various C
L
1M
10M
100M
1G
Frequency (Hz)
Nor
m
al
i
z
ed
M
a
g
n
i
t
ud
e (
d
B
)
14
10
6
2
-2
-6
A
V
=2
R
F
=250
R
L
=150
0pF added
6pF added
4pF added
Frequency Response for Various R
F
1M
10M
100M
1G
Frequency (Hz)
Nor
m
al
i
z
ed
M
a
g
n
i
t
ud
e (
d
B
)
6
2
-2
-6
-10
-14
A
V
=2
R
G
=R
F
R
L
=150
150
500
375
250
Group Delay vs Frequency
1M
10M
1G
Frequency (Hz)
Grou
p D
e
l
a
y
(
n
s
)
3.5
2.5
1.5
0.5
100M
A
V
=2
R
F
=250
A
V
=1
R
F
=390
Frequency Response for Various Common-mode
Input Voltages
1M
10M
1G
Frequency (Hz)
N
o
rm
al
i
z
ed M
a
gni
t
ude (dB
)
6
2
-2
-6
-10
-14
100M
A
V
=2
R
F
=250
R
L
=150
V
CM
=3V
V
CM
=0V
V
CM
=-3V
2
1
0
3
Transimpedance (ROL) vs Frequency
1k
Frequency (Hz)
10k
100k
1M
10M
100M
1G
M
a
g
n
i
t
ud
e (
)
10M
100
1k
10k
100k
1M
Phase
Gain
PSRR and CMRR vs Frequency
PS
RR
/C
M
RR (d
B)
20
-80
-60
-40
-20
0
10k
Frequency (Hz)
100k
1M
10M
1G
100M
PSRR+
PSRR-
CMRR
-90
-180
-270
-360
0
Ph
a
s
e
(
)
5
EL5191C
1GHz Current Feedback Amplifier
EL
5191C
Typical Performance Curves
-3dB Bandwidth vs Supply Voltage for Non-
inverting Gains
5
6
10
Total Supply Voltage (V)
-3dB
B
a
n
d
wi
dt
h (M
Hz
)
1200
1000
800
600
200
0
8
A
V
=1
Peaking vs Supply Voltage for Non-inverting Gains
Total Supply Voltage (V)
P
eak
i
ng (dB
)
4
3.5
1.5
1
0.5
0
-3dB Bandwidth vs Supply Voltage for Inverting
Gains
5
6
10
Total Supply Voltage (V)
-3dB
B
a
n
d
wi
dt
h (M
Hz
)
600
500
400
300
100
0
8
400
7
9
R
F
=390
R
L
=150
A
V
=2
A
V
=5
A
V
=10
200
7
9
R
F
=250
R
L
=150
A
V
=-1
A
V
=-5
5
6
10
8
7
9
R
F
=390
R
L
=150
A
V
=1
A
V
=2
A
V
=-2
A
V
=10
2.5
2
3
Peaking vs Supply Voltage for Inverting Gains
Total Supply Voltage (V)
P
eak
i
ng (dB
)
4
3
2
1
0
5
6
10
8
7
9
R
F
=250
R
L
=150
A
V
=-1
A
V
=-5
A
V
=-2
Non-inverting Frequency Response (Gain)
SO8 Package
1M
10M
1G
Frequency (Hz)
100M
1.6G
N
o
rm
al
i
z
ed M
agni
t
ude (d
B
)
6
2
-2
-6
-10
-14
R
F
=392
R
L
=150
A
V
=1
A
V
=2
A
V
=5
A
V
=10
Non-inverting Frequency Response (Phase)
SO8 Package
1M
10M
1G
Frequency (Hz)
100M
Ph
a
s
e
(
)
90
0
-90
-180
-270
-360
R
F
=392
R
L
=150
A
V
=1
A
V
=2
A
V
=5
A
V
=10
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