Datasheet

LT6555
6
6555f
Large-Signal Transient Response
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Gain Error Distribution
Gain Matching Distribution
Small-Signal Transient Response
Large-Signal Transient Response
Video Amplitude Transient
Response
Output Impedance vs Frequency
FREQUENCY (MHz)
0.01
0.1
OUTPUT IMPEDANCE (Ω)
10
1000
0.1 1 10 100 1000
6555 G19
1
100
DISABLED
V
EN
= 4V
ENABLED
V
EN
= O.4V
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
TIME (ns)
0
OUTPUT (V)
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
16
6555 G20
4812 20142 6 10 18
V
IN
= 200mV
P-P
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
TIME (ns)
0
OUTPUT (V)
0.6
1.0
1.4
1.8
1.6
16
6555 G21
0.2
–0.2
0.4
0.8
1.2
0
–0.4
4
8
12
218
6
10
14
20
V
IN
= 0V TO 700mV
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
TIME (ns)
–1.5
OUTPUT (V)
–0.5
0.5
1.5
–1.0
0
1.0
4 8 12 16
6555 G22
2020 6 10 14 18
V
IN
= 1V
P-P
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
6555 G23
4 8 12 20142 6 10 18
V
IN
= 2.5V
P-P
V
S
= ±5V
R
L
= 150Ω
T
A
= 25°C
GAIN ERROR—INDIVIDUAL CHANNEL (%)
–1.5
PERCENT OF UNITS (%)
25
30
35
1.5
6555 G24
15
0
–1.0 –0.5
0
0.5 1.0
40
20
10
5
V
S
= ±5V
V
OUT
= ±2V
R
L
= 150Ω
T
A
= 25°C
GAIN MATCHING–BETWEEN CHANNELS (%)
–1.5
PERCENT OF UNITS (%)
25
30
35
1.5
6555 G25
15
0
–1.0 –0.5
0
0.5 1.0
40
20
10
5
V
S
= ±5V
V
OUT
= ±2V
R
L
= 150Ω
T
A
= 25°C
Channel Switching Transient Channel Switching Transient
TIME (ns)
0
SEL A/B (V)
OUT (V)
4
2
5
0
–0.1
0.2
0.1
20 40 60 80
6555 G26
10010030507090
V
S
= ±5V
R
L
= 150Ω
INA = 0V
INB = 0V
T
A
= 25°C
TIME (ns)
0
SEL A/B (V)
OUT (V)
5
–0.5
0.5
1.5
–1.0
–1.5
0
1.0
40
6555 G27
4
2
3
1
0
10
20
30
10050 60 70 80 90
V
S
= ±5V
R
L
= 150Ω
INB = 300MHz, 1V
P-P
SINE
T
A
= 25°C INA = 0V