Datasheet

LT1818/LT1819
8
18189fb
TYPICAL PERFORMANCE CHARACTERISTICS
Gain vs Frequency, A
V
= 2
Gain-Bandwidth and Phase
Margin vs Supply VoltageGain vs Frequency, A
V
= –1
FREQUENCY (Hz)
1M
GAIN (dB)
10M 100M 300M
18189 G17
5
0
–5
–10
10
T
A
= 25°C
A
V
= 2
V
S
= ±5V
R
F
= R
G
= 500Ω
C
F
= 1pF
R
L
= 500Ω
R
L
= 100Ω
FREQUENCY (Hz)
1M
GAIN (dB)
–5
0
10M 100M 300M
18189 G18
–10
5
T
A
= 25°C
A
V
= –1
R
L
= R
F
= R
G
= 500Ω
V
S
= ±2.5V
V
S
= ±5V
SUPPLY VOLTAGE (±V)
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
3
18189 G19
45
35
40
30
24
450
350
400
300
56
T
A
= 25°C
GBW
R
L
= 500Ω
GBW
R
L
= 100Ω
PHASE MARGIN
R
L
= 100Ω
PHASE MARGIN
R
L
= 500Ω
Power Supply Rejection Ratio
vs Frequency
Common Mode Rejection Ratio
vs Frequency Slew Rate vs Input Step
FREQUENCY (Hz)
1k 10k 100k
40
POWER SUPPLY REJECTION RATIO (dB)
60
80
1M 10M 100M
18189 G20
20
0
100
+PSRR
PSRR
T
A
= 25°C
A
V
= 1
V
S
= ±5V
FREQUENCY (Hz)
1k 10k 100k
40
COMMON MODE REJECTION RATIO (dB)
60
80
1M 10M 100M
18189 G21
20
0
100
T
A
= 25°C
V
S
= ±5VV
S
= ±2.5V
INPUT STEP (V
P-P
)
0
SLEW RATE (V/μs)
800
2000
2
4
5
18189 G22
400
1600
1200
3
6
SR
–
SR
+
T
A
=25°C
A
V
= –1
V
S
= ±5V
R
F
= R
G
= R
L
= 500Ω
Slew Rate vs Supply Voltage Slew Rate vs Temperature
Differential Gain and Phase
vs Supply Voltage
SUPPLY VOLTAGE (±V)
0
0
SLEW RATE (V/μs)
500
2
4
5
18189 G23
1000
1500
2000
1
3
6
7
T
A
=25°C
A
V
= –1
R
F
= R
G
= R
L
= 500Ω
V
IN
= 6V
P-P
V
IN
= 2V
P-P
TEMPERATURE (°C)
–50
SLEW RATE (V/μs)
1600
2000
2400
25 75
18189 G24
1200
800
–25 0
50 100 125
400
0
V
S
= ±5V
V
S
= ±2.5V
A
V
= –1
R
F
= R
G
= R
L
= 500Ω
SUPPLY VOLTAGE (±V)
2
0
DIFFERENTIAL PHASE (DEG)
DIFFERENTIAL GAIN (%)
0.02
0.06
0.08
0.10
3
4
18189 G25
0.04
0.12
0
0.02
0.06
0.08
0.10
0.04
T
A
= 25°C
5
6
DIFFERENTIAL GAIN
R
L
= 150Ω
DIFFERENTIAL PHASE
R
L
= 150Ω