CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical 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 Specifications
PARAMETER
AC PERFORMANCE
BW
V
S
= 12V, R
F
= 750, R
L
= 100 connected to mid supply, T
A
=
+25°C,
unless otherwise specified.
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
-3dB Bandwidth
R
F
= 500, A
V
= +2
R
F
= 500, A
V
= +4
f = 200kHz, V
O
= 16V
P-P
, R
L
= 50
f = 4MHz, V
O
= 2V
P-P
, R
L
= 100
f = 8MHz, V
O
= 2V
P-P
, R
L
= 100
f = 16MHz, V
O
= 2V
P-P
, R
L
= 100
-72
200
150
-83
-70
-60
-50
600
800
1100
MHz
MHz
dBc
dBc
dBc
dBc
V/µs
HD
Total Harmonic Distortion, Differential
SR
DC PERFORMANCE
V
OS
V
OS
R
OL
I
B
+
I
B
-
I
B
-
e
N
i
N
V
OUT
I
OUT
SUPPLY
V
S
I
S
(EL8108IS only)
I
S
+ (Full Power)
I
S
+ (Low Power)
I
S
+ (Power Down)
I
INH
, C
0
or C
1
I
INL
, C
0
or C
1
Slew Rate, Single-ended
V
OUT
from -3V to +3V
Offset Voltage
V
OS
Mismatch
Transimpedance
V
OUT
from -4.5V to +4.5V
-25
-3
0.7
1.4
+25
+3
2.5
mV
mV
M
INPUT CHARACTERISTICS
Non-inverting Input Bias Current
Inverting Input Bias Current
I
B
- Mismatch
Input Noise Voltage
-Input Noise Current
-5
-20
-18
5
0
6
13
5
+20
+18
µA
µA
µA
nV
Hz
pA/
Hz
OUTPUT CHARACTERISTICS
Loaded Output Swing (Single-ended)
V
S
= ±6V, R
L
= 100 to GND
V
S
= ±6V, R
L
= 25to GND
Output Current
R
L
= 0
Single supply
All outputs at mid supply
4.5
11
14.3
±4.8
±5
±4.7
450
V
V
mA
Supply Voltage
Supply Current, Maximum Setting
13
18
V
mA
SUPPLY (EL8108IL ONLY)
Positive Supply Current per Amplifier
All outputs at 0V, C
0
= C
1
= 0V
All outputs at 0V, C
0
= 5V, C
1
= 0V
All outputs at 0V, C
0
= 0V, C
1
= 5V
All outputs at 0V, C
0
= C
1
= 5V
C
0
, C
1
= 5V
C
0
, C
1
= 0V
90
-5
11
7
3.7
14.3
8.9
4.5
0.1
125
18
11
5.5
0.5
160
+5
mA
mA
mA
mA
µA
µA
I
S
+ (Medium Power) Positive Supply Current per Amplifier
Positive Supply Current per Amplifier
Positive Supply Current per Amplifier
C
0
, C
1
Input Current, High
C
0
, C
1
Input Current, Low
FN7417 Rev 2.00
January 29, 2008
Page 3 of 14
EL8108
Typical Performance Curves
22
V
S
= ±6V, A
V
= 5
20 R
L
= 100 DIFF
18
16
GAIN (dB)
14
12
10
8
6
4
2
100k
1M
10M
FREQUENCY (Hz)
100M
500M
R
F
= 750
R
F
= 1k
R
F
= 500
GAIN (dB)
R
F
= 243
22
V
S
= ±6V, A
V
= 5
20 R
L
= 100 DIFF
18
16
14
12
10
8
6
4
2
100k
1M
10M
FREQUENCY (Hz)
100M
500M
R
F
= 750
R
F
= 1k
R
F
= 500
R
F
= 243
FIGURE 1. DIFFERENTIAL FREQUENCY RESPONSE WITH
VARIOUS R
F
(FULL POWER MODE)
FIGURE 2. DIFFERENTIAL FREQUENCY RESPONSE WITH
VARIOUS R
F
(3/4 POWER MODE)
22
V
S
= ±6V, A
V
= 5
20 R
L
= 100 DIFF
18
16
GAIN (dB)
14
12
10
8
6
4
2
100k
1M
28
RF = 500
V
S
= ±6V, A
V
= 10
26 R
L
= 100 DIFF
24
RF = 243
22
GAIN (dB)
20
18
16
14
12
10
R
F
= 750
R
F
= 1k
R
F
= 243
R
F
= 500
RF = 750
RF = 1k
10M
FREQUENCY (Hz)
100M
500M
8
100k
1M
10M
FREQUENCY (Hz)
100M
500M
FIGURE 3. DIFFERENTIAL FREQUENCY RESPONSE WITH
VARIOUS R
F
(1/2 POWER MODE)
FIGURE 4. DIFFERENTIAL FREQUENCY RESPONSE WITH
VARIOUS R
F
(FULL POWER MODE)
V
S
= ±6V, A
V
= 10
26 R
L
= 100 DIFF
24
22
GAIN (dB)
20
18
16
14
12
10
8
100k
1M
10M
FREQUENCY (Hz)
100M
500M
R
F
= 750
R
F
= 1k
R
F
= 243
R
F
= 500
GAIN (dB)
28
28
V
S
= ±6V, A
V
= 10
26 R
L
= 100 DIFF
24
22
20
18
16
14
12
10
8
100k
1M
10M
FREQUENCY (Hz)
100M
500M
R
F
= 1k
R
F
= 243
R
F
= 500
R
F
= 750
FIGURE 5. DIFFERENTIAL FREQUENCY RESPONSE WITH
VARIOUS R
F
(3/4 POWER MODE)
FIGURE 6. DIFFERENTIAL FREQUENCY RESPONSE WITH
VARIOUS R
F
(1/2 POWER MODE)
FN7417 Rev 2.00
January 29, 2008
Page 4 of 14
EL8108
Typical Performance Curves
V
S
= ±6V
14 A = 2
V
12 R
L
= 100 DIFF
10
GAIN (dB)
8
6
4
2
0
-2
100k
1M
10M
FREQUENCY (Hz)
R
F
= 1k
(Continued)
8
V
S
= ±6V
A
V
= 2
R
F
= 500
R
F
= 248
R
F
= 500
NORMALIZED GAIN (dB)
6
4
2
0
-2
-4
-6
-8
R
L
= 150
R
L
= 25
R
L
= 50
R
F
= 750
100M
500M
100k
1M
10M
FREQUENCY (Hz)
100M
500M
FIGURE 7. DIFFERENTIAL FREQUENCY RESPONSE WITH
VARIOUS R
F
FIGURE 8. FREQUENCY RESPONSE FOR VARIOUS R
LOAD
-50
V
S
= ±6V
A
V
= 5
-55
R
L
= 50 DIFF
R
F
= 750
-60
HD (dB)
-65
-70
-75
-80
-85
3rd HD
-50
EL8108IL
EL8108IS
V
S
= ±6V
A
V
=
5
-55 R = 50 DIFF
L
R
F
= 750
-60
HD (dB)
-65
-70
-75
3rd HD
EL8108IL
EL8108IS
2nd HD
1
2
3
4
5
6
V
OP-P
(V)
7
8
9
2nd HD
-80
1
2
3
4
5
6
V
OP-P
(V)
7
8
9
FIGURE 9. DISTORTION BETWEEN EL8108IL vs EL8108IS
AT 2MHz
FIGURE 10. DISTORTION BETWEEN EL8108IL vs EL8108IS
AT 3MHz
-40
V
S
= ±6V
A
V
= 5
-45
R
L
= 50 DIFF
R
F
= 750
-50
HD (dB)
-55
-60
-65
-70
-75
1
2
3
4
5
V
OP-P
(V)
6
3rd HD
-40
EL8108IL
EL8108IS
V
S
= ±6V
A
V
= 5
-45 R
L
= 50 DIFF
R
F
= 750
3rd HD
HD (dB)
-50
EL8108IL
EL8108IS
-55
2nd HD
-60
2nd HD
7
8
9
-65
1
2
3
4
5
6
V
OP-P
(V)
7
8
9
FIGURE 11. DISTORTION BETWEEN EL8108IL vs EL8108IS
AT 5MHz
FIGURE 12. DISTORTION BETWEEN EL8108IL vs EL8108IS
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