Datasheet

LT1800
10
1800fa
TYPICAL PERFORMANCE CHARACTERISTICS
Common Mode Rejection Ratio
vs Frequency
Power Supply Rejection Ratio
vs Frequency
Series Output Resistor
vs Capacitive Load
Gain vs Frequency (A
V
= 1) Gain vs Frequency (A
V
= 2) Output Impedance vs Frequency
FREQUENCY (MHz)
–6
GAIN (dB)
0
3
9
12
0.1 10 100 300
1800 G25
–12
1
6
–3
–9
R
L
= 1k
C
L
= 10pF
A
V
= 1
V
S
= ±5V
V
S
= ±2.5V
FREQUENCY (MHz)
0
GAIN (dB)
6
9
15
18
0.1 10 100 300
1800 G26
–6
1
12
3
–3
R
L
= 1k
C
L
= 10pF
A
V
= 2
V
S
= ±5V
V
S
= ±2.5V
FREQUENCY (MHz)
0.1
0.001
OUTPUT IMPEDANCE ()
0.1
600
100
1 10 100 500
1800 G27
0.01
1
10
V
S
= ±2.5V
A
V
= 10
A
V
= 1
A
V
= 2
FREQUENCY (MHz)
40
COMMON MODE REJECTION RATIO (dB)
80
120
20
60
100
0.01 1 10 100
1800 G28
0
0.1
V
S
= 5V, 0V
FREQUENCY (MHz)
0.001
30
POWER SUPPLY REJECTION RATIO (dB)
40
50
60
70
0.01 0.1 1 10 100
1800 G29
20
10
0
–10
80
90
V
S
= 5V, 0V
T
A
= 25°C
POSITIVE
SUPPLY
NEGATIVE
SUPPLY
CAPACITIVE LOAD (pF)
10
20
OVERSHOOT (%)
30
40
100 1000 10000
1800 G30
10
0
60
50
15
25
35
5
55
45
V
S
= 5V, 0V
A
V
= 1
R
OS
= 10Ω
R
OS
= 20Ω
R
OS
= R
L
= 50Ω
Slew Rate vs Temperature Gain and Phase vs Frequency
TEMPERATURE (oC)
–55
10
SLEW RATE (V/µs)
15
25
30
35
–15
25
45 125
1800 G23
20
–35 5
65
85
105
A
V
= –1
R
F
= R
G
= 1k
R
L
= 1k
V
S
= ±2.5V
V
S
= ±5V
FREQUENCY (MHz)
0.01
10
OPEN-LOOP GAIN (dB)
PHASE (DEG)
20
30
40
50
0.1 1 10 100 300
1800 G24
0 –40
–10
–20
–30
60
70
–20
0
20
40
60
–60
–80
–100
80
100
V
S
= ±2.5V
V
S
= ±5V
PHASE
GAIN