1494 查看數據表（PDF） - Linear Technology
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1494
Linear Technology
1494 Datasheet PDF : 16 Pages
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LT1494/LT1495/LT1496
TYPICAL PERFORMANCE CHARACTERISTICS
Output Saturation Voltage
vs Load Current (Output Low)
1000
VS = 5V, 0V
TA = 85°C
100
TA = 25°C
TA = – 40°C
10
0.1
1
10
100
LOAD CURRENT (µA)
1000
1495 G04
Gain and Phase Shift
vs Frequency
50
120
VS = ± 2.5V
40
100
30
80
PHASE
20
60
10
40
GAIN
0
20
– 10
0
– 20
– 20
– 30
0.1
1
FREQUENCY (kHz)
– 40
10
1495 G10
Gain Bandwidth and Phase
Margin vs Supply Voltage
3.5
70
PHASE MARGIN
3.0
60
GBW
2.5
50
2.0
40
1.5
30
1.0
20
0.5
10
0
0
0
5
10 15 20 25 30
SUPPLY VOLTAGE (V)
1495 G11
Output Saturation Voltage
vs Load Current (Output High)
1000
VS = 5V, 0V
100
TA = 85°C
TA = 25°C
TA = – 40°C
10
0.1
1
10
100
LOAD CURRENT (µA)
1000
1495 G05
Noise Voltage Spectrum
300
VS = ± 2.5V
250
200
150
100
50
0
1
10
FREQUENCY (Hz)
0.1Hz to 10Hz
Output Voltage Noise
VS = ±15V
VCM = 0V
100
1495 G08
TIME (1s/DIV)
1495 G07
Input Bias Current
vs Common Mode Voltage
300
VS = 5V, 0V
TA = 85°C
200
TA = 25°C
100
TA = – 40°C
1.5
TA = 25°C
0.5
TA = – 40°C TA = 85°C
– 0.5
– 1 0 1 2 3 4 5 6 7 8 9 10
COMMON MODE VOLTAGE (V)
1495 G06
Noise Current Spectrum
100
VS = ± 2.5V
80
60
40
20
0
1
10
100
FREQUENCY (Hz)
1495 G09
Capacitive Load Handling
80
VS = ± 2.5V
70
60
AV = 1
50
40
30
AV = 5
20
AV = 10
10
0
10
100
1000 10000 100000
CAPACITIVE LOAD (pF)
1495 G12
8
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