Datasheet
LT6411
7
6411f
Third Order Intermodulation
Distortion vs Frequency,
Differential Input
Output Third Order Intercept
vs Frequency, Differential Input
Output Impedance vs Frequency
Small-Signal Transient Response
Video Amplitude Transient
Response Large-Signal Transient Response
Crosstalk vs Frequency
Gain Error Distribution
Gain Matching Distribution
6411 G21
FREQUENCY (MHz)
0.01
10
100
OUTPUT IMPEDANCE (Ω)
100
1
0.1
0.1
1
10
100
0
1000
DISABLED
V
EN
= 4V
ENABLED
V
EN
= 0.4V
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
–3.0 0 2.0 3.0–2.0 –1.0 1.0
GAIN MATCHING–BETWEEN CHANNELS (%)
PERCENT OF UNITS (%)
35
30
25
20
15
10
5
0
6411 G27
V
S
= ±5V
V
OUT
= ±2V
R
L
= 150Ω
T
A
= 25°C
TYPICAL PERFORMANCE CHARACTERISTICS
All measurements are per amplifi er with single-ended outputs unless otherwise noted.
FREQUENCY (MHz)
0
–100
THIRD ORDER IMD (dBc)
–90
–70
–60
–50
0
–30
20
40
50
6411 G19
–80
–20
–10
–40
10
30
60
70
R
L
= 200Ω
R
L
= ∞
V
OUT
= 2V
P-P
, COMPOSITE, DIFFERENTIAL
1MHz TONE SPACING
A
V
= 2, V
CC
= 5V
V
EE
= 0V, V
CM
= 1.6V
DIFFERENTIAL R
LOAD
T
A
= 25°C
FREQUENCY (MHz)
0
OIP3 (dBm)
40
50
60
30 50
6411 G20
30
20
10 20
40 60 70
10
0
R
L
= ∞
COMPUTED FOR 50Ω ENVIRONMENT
R
L
= 200Ω
V
OUT
= 2V
P-P
, COMPOSITE, DIFFERENTIAL
1MHz TONE SPACING
A
V
= 2, V
CC
= 5V
V
EE
= 0V, V
CM
= 1.6V
DIFFERENTIAL R
LOAD
T
A
= 25°C
TIME (ns)
OUTPUT (V)
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
4 8 12 16
6411 G22
2020 6 10 14 18
V
IN
= 100mV
P-P
A
V
= 2
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
TIME (ns)
0
OUTPUT (V)
1.0
1.5
2.0
16
6411 G23
0.5
0
–0.5
246
810
12 14 18
20
V
IN
= 700mV
P-P
A
V
= 2
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
TIME (ns)
0
OUTPUT (V)
4
3
2
1
0
–1
–2
–3
– 4
16
6411 G24
4 8 12 20142 6 10 18
V
IN
= 2.5V
P-P
A
V
= 2
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
FREQUENCY (MHz)
1
–120
AMPLITUDE (dB)
–100
–80
–60
–40
0
10 100
1635 G25
1000
–20
V
S
= ±5V
V
OUT
= 2V
P-P
R
L
= 150Ω
T
A
= 25°C
DRIVE 2
LISTEN 1
DRIVE 1
LISTEN 2
GAIN ERROR–INDIVIDUAL CHANNEL (%)
–3.0
PERCENT OF UNITS (%)
25
30
35
3.0
6411 G26
15
0
–2.0 –1.0
0
1.0 2.0
40
20
10
5
V
S
= ±5V
V
OUT
= ±2V
R
L
= 150Ω
T
A
= 25°C