LT1800IS8 查看數據表（PDF） - Linear Technology
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LT1800IS8 Datasheet PDF : 18 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1800
Offset Voltage vs Output Current
2.0
VS = ±5V
1.5
1.0
TA = –55°C
0.5
0
–0.5 TA = 25°C
–1.0
TA = 125°C
–1.5
–2.0
–60 –45 –30 –15 0 15 30
OUTPUT CURRENT (mA)
45 60
1800 G16
Warm-Up Drift
vs Time (LT1800S8)
120
110
VS = ±5V
100
90
80
VS = ±2.5V
70
60
VS = ±1.5V
50
TYPICAL PART
40
0 20 40 60 80 100 120 140
TIME AFTER POWER-UP (SECONDS)
1800 G17
Input Noise Voltage vs Frequency
60
VS = 5V, 0V
50
40
NPN ACTIVE
30
VCM = 4.25V
20
10 PNP ACTIVE
VCM = 2.5V
0
0.01
0.1
1
10
FREQUENCY (kHz)
100
1800 G18
Input Current Noise vs Frequency
3.0
VS = 5V, 0V
2.5
2.0
PNP ACTIVE
1.5
VCM = 2.5V
1.0
NPN ACTIVE
0.5 VCM = 4.25V
0
0.01
0.1
1
10
FREQUENCY (kHz)
100
1800 G19
0.1Hz to 10Hz Output Voltage
Noise
2000
VS = 5V, 0V
1000
0
–1000
–2000
0 1 2 3 4 5 6 7 8 9 10
TIME (SECONDS)
1800 G20
Gain Bandwidth and Phase
Margin vs Supply Voltage
100
TA = 25°C
90
80 GAIN BANDWIDTH
PRODUCT
70
60
60
PHASE MARGIN
50
40
30
20
0 1 2 3 4 5 6 7 8 9 10
TOTAL SUPPLY VOLTAGE (V)
1800 G21
Gain Bandwidth and Phase
Margin vs Temperature
100
GBW PRODUCT
90
VS = ±2.5V
80
GBW PRODUCT
70
VS = ±5V
60
50
PHASE MARGIN
60
VS = ±2.5V
50
PHASE MARGIN
40
VS = ±5V
30
20
10
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1800 G22
1800fa
9
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