LT1672 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1672 Datasheet PDF : 12 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1672/LT1673/LT1674
Gain Bandwidth and Phase
Margin vs Supply Voltage
16
MEASURED AT
AV = 5
14
80
PHASE MARGIN 70
12
GBW
60
10
50
8
40
6
30
0 5 10 15 20 25 30
SUPPLY VOLTAGE (V)
1672/3/4 G10
Common Mode Rejection Ratio
vs Frequency
100
VS = ± 2.5V
90
80
70
60
50
40
30
20
10
0
100
1k
FREQUENCY (Hz)
10k 20k
1672/3/4 G13
Warm-Up Drift vs Time
40
30
20
VS = ±15V
10
0
VS = ±2.5V
–10
– 20
– 30
– 40
0 20 40 60 80 100 120 140 160 180 200
TIME AFTER POWER-UP (SEC)
1672/3/4 G16
0.1Hz to 10Hz
Output Voltage Noise
VS = ±15V
VCM = 0V
TIME (1s/DIV)
1672/3/4 G07
Power Supply Rejection Ratio
vs Frequency
100
VS = ± 2.5V
90
80
70
+PSRR
60
50
40
–PSRR
30
20
10
0
10
100
1k
FREQUENCY (Hz)
10k
1672/3/4 G14
Open-Loop Gain
VS = 5V, 0V
20
15
VS = 5V, 0V
10
5
RL = 1M
0 RL = 100k
–5
–10
–15
– 20
0
1
2
3
4
5
6
OUTPUT VOLTAGE (V)
1672/3/4 G17
Capacitive Load Handling
80
VS = ± 2.5V
70
60
50
40
AV = 5
30
20
AV = 10
10
0
10
100
1k
10k
CAPACITIVE LOAD (pF)
1672/3/4 G12
Output Impedance vs Frequency
100
VS = ± 2.5V
AV = 10
10
AV = 5
1
0.1
10
100
1k
FREQUENCY (Hz)
10k
1672/3/4 G15
Open-Loop Gain
VS = ±15V
80
60
VS = ± 15V
40
RL = 100k
20
0
RL = 1M
– 20
– 40
– 60
– 80
–20 –15 –10 –5 0 5 10 15 20
OUTPUT VOLTAGE (V)
1672/3/4 G18
7
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