Datasheet

9
LT1494/LT1495/LT1496
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
FREQUENCY (kHz)
1
OUTPUT IMPEDANCE (kΩ)
10
100
1000
0.01 1 10
1495 G15
0.1
0.1
A
V
= 10
A
V
= 1
FREQUENCY (kHz)
0.01
40
POWER SUPPLY REJECTION RATIO (dB)
50
60
70
80
0.1 1 10
1495 G14
30
20
10
0
90
100
V
S
= ±2.5V
POSITIVE
SUPPLY
NEGATIVE
SUPPLY
Power Supply Rejection Ratio
vs Frequency
Common Mode Rejection Ratio
vs Frequency
FREQUENCY (kHz)
0.01
40
COMMON MODE REJECTION RATIO (dB)
50
60
70
80
0.1 1 10
1495 G13
30
20
10
0
90
100
V
S
= ±2.5V
Warm-Up Drift vs Time
TIME AFTER POWER-UP (SEC)
0
OFFSET VOLTAGE CHANGE (µV)
40
20
30
10
0
–10
–20
–30
– 40
160
1495 G16
40 80 120 20014020 60 100 180
V
S
= ±15V
V
S
= ±2.5V
Open-Loop Gain
V
S
= 5V, 0V
OUTPUT VOLTAGE (V)
0
OFFSET VOLTAGE CHANGE (µV)
–5
0
5
3
5
1495 G17
–10
–15
–20
12 4
10
15
20
6
V
S
= 5V, 0V
R
L
= 1M
R
L
= 100k
Open-Loop Gain
V
S
= ±15V
OUTPUT VOLTAGE (V)
–20 –15
OFFSET VOLTAGE CHANGE (µV)
0
40
20
1495 G18
–40
–80
–10 –5 0 5 1510
80
–20
20
–60
60
R
L
= 100k
V
S
= ±15V
R
L
= 1M
Small-Signal Response
V
S
= ±15V
V
S
= ±15V
R
L
= 1M
C
L
= 100pF
1495 G19
Small-Signal Response
V
S
= 5V, 0V
V
S
= 5V, 0V
R
L
= 1M
C
L
= 100pF
1495 G20
Large-Signal Response
V
S
= 5V, 0V
V
S
= 5V, 0V
R
L
= 1M
C
L
= 100pF
1495 G21
Output Impedance vs Frequency