Datasheet

LT1809/LT1810
14
180910fa
TYPICAL PERFORMANCE CHARACTERISTICS
Series Output Resistor
vs Capacitive Load
Series Output Resistor
vs Capacitive Load 0.01% Settling Time
Distortion vs Frequency Distortion vs Frequency Distortion vs Frequency
Output Impedance vs Frequency
Common Mode Rejection Ratio
vs Frequency
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
100k 1M 10M 100M 500M
0.01
OUTPUT IMPEDANCE (Ω)
1
600
1809 G28
0.1
10
100
V
S
= 5V, 0V
A
V
= 10
A
V
= 1
A
V
= 2
FREQUENCY (Hz)
10k
50
COMMON MODE REJECTION RATIO (dB)
60
70
80
90
100k 1M 10M 100M 500M
1809 G29
40
30
20
10
100
110
V
S
= 5V, 0V
FREQUENCY (Hz)
1k 10k
40
POWER SUPPLY REJECTION RATIO (dB)
50
60
70
80
100k 1M 10M 100M
1809 G30
30
20
10
0
90
100
V
S
= 5V, 0V
T
A
= 25°C
POSITIVE
SUPPLY
NEGATIVE
SUPPLY
CAPACITIVE LOAD (pF)
10
0
OVERSHOOT (%)
10
20
40
100 1000
1809 G31
30
5
15
35
25
V
S
= 5V, 0V
A
V
= +1
R
S
= 10Ω,
R
L
= ∞
R
S
= 20Ω, R
L
= ∞
R
L
= R
S
= 50Ω
CAPACITIVE LOAD (pF)
10
0
OVERSHOOT (%)
10
20
30
40
100 1000
1809 G32
50
5
15
25
35
45
V
S
= 5V, 0V
A
V
= +2
R
S
= 10Ω
R
L
= ∞
R
S
= 20Ω
R
L
= ∞
R
L
= R
S
= 50Ω
20ns/DIV)
1809 G33
INPUT SIGNAL
GENERATION
(2V/DIV)
V
S
= ±5V
V
OUT
= ±4V
A
V
= –1
R
L
= 500Ω
t
S
= 110ns (SETTLING TIME)
OUTPUT
SETTLING
RESOLUTION
(2mV/DIV)
FREQUENCY (MHz)
0.3
–70
DISTORTION (dB)
–60
–50
–40
11030
1809 G34
–80
–90
–100
–110
A
V
= +1
V
O
= 2V
P-P
V
S
= ±5V
R
L
= 100Ω, 2ND
R
L
= 1k, 3RD
R
L
= 1k, 2ND
R
L
= 100Ω, 3RD
FREQUENCY (MHz)
0.3
–70
DISTORTION (dB)
–60
–50
–40
11030
1809 G35
–80
–90
–100
–110
A
V
= +1
V
O
= 2V
P-P
V
S
= 5V
R
L
= 100Ω, 2ND
R
L
= 1k, 3RD
R
L
= 1k, 2ND
R
L
= 100Ω, 3RD
FREQUENCY (MHz)
0.3
–70
DISTORTION (dB)
–60
–50
–40
11030
1809 G36
–80
–90
–100
–110
A
V
= +2
V
O
= 2V
P-P
V
S
= ±5V
R
L
= 100Ω, 2ND
R
L
= 100Ω, 3RD
R
L
= 1k, 3RD
R
L
= 1k, 2ND