Datasheet

LT6220/LT6221/LT6222
12
622012fb
For more information www.linear.com/LT6220/LT6221/LT6222
Typical perForMance characTerisTics
Series Output Resistor
vs Capacitive Load Distortion vs Frequency Distortion vs Frequency
Maximum Undistorted Output
Signal vs Frequency 5V Large-Signal Response 5V Small-Signal Response
Common Mode Rejection Ratio
vs Frequency
Power Supply Rejection Ratio
vs Frequency
Series Output Resistor
vs Capacitive Load
FREQUENCY (MHz)
20
COMMON MODE REJECTION RATIO (dB)
40
60
80
100
0.01 1 10
100
622012 G28
0
0.1
120
V
S
= 5V, 0V
CAPACITIVE LOAD (pF)
10
20
OVERSHOOT (%)
25
30
35
40
100 1000
10000
622012 G32
15
10
5
0
45
50
R
OS
= 10Ω
R
OS
= 20Ω
R
OS
= R
L
= 50Ω
V
S
= 5V, 0V
A
V
= 2
R
L
= ∞, UNLESS NOTED
FREQUENCY (MHz)
2.0
OUTPUT VOLTAGE SWING (V
P-P
)
3.0
3.5
4.5
5.0
0 0.1 1
10
622012 G35
1.0
0.01
4.0
2.5
1.5
V
S
= 5V, 0V
R
L
= 1k
A
V
= –1 A
V
= 2
FREQUENCY (MHz)
40
POWER SUPPLY REJECTION RATIO (dB)
80
120
20
60
100
0.001 0.1 1 10
100
622012 G29
0
0.01
V
S
= 5V, 0V
POSITIVE
SUPPLY
NEGATIVE
SUPPLY
FREQUENCY (MHz)
0.01
–70
DISTORTION (dBc)
–50
–30
0.1 1
10
622012 G33
–90
–80
–60
–40
–100
–110
V
S
= 5V, 0V
A
V
= 1
V
OUT
= 2V
P-P
R
L
= 150Ω,
3RD
R
L
= 150Ω,
2ND
R
L
= 1k,
3RD
R
L
= 1k,
2ND
CAPACITIVE LOAD (pF)
10
20
OVERSHOOT (%)
25
30
35
40
100 1000
10000
622012 G31
15
10
5
0
45
50
V
S
= 5V, 0V
A
V
= 1
R
L
= ∞, UNLESS NOTED
R
OS
= 10Ω
R
OS
= 20Ω
R
OS
= R
L
= 50Ω
FREQUENCY (MHz)
0.01
–70
DISTORTION (dBc)
–50
–30
0.1 1
10
622012 G34
–90
–80
–60
–40
–100
–110
V
S
= 5V, 0V
A
V
= 2
V
OUT
= 2V
P-P
R
L
= 150Ω,
3RD
R
L
= 150Ω,
2ND
R
L
= 1k,
3RD
R
L
= 1k,
2ND
1V/DIV
0V
100ns/DIV
622012 G36
V
S
= 5V, 0V
A
V
= 1
R
L
= 1k
2.5V
50mV/DIV
50ns/DIV
622012 G37
V
S
= 5V, 0V
A
V
= 1
R
L
= 1k