LT1881 Просмотр технического описания (PDF) - Linear Technology
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LT1881 Datasheet PDF : 18 Pages
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LT1881/LT1882
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current per Amplifier
vs Supply Voltage
1200
1000
125°C
800
25°C
600
–55°C
400
200
0
0 4 8 12 16 20 24 28 32 36
TOTAL SUPPLY VOLTAGE (V)
18812 G01
Slew Rate vs Supply Voltage
0.45
0.40 AV = –1
RISING
0.35
0.30
0.25
FALLING
0.20
0.15
0.10
0.05
0
0 4 8 12 16 20 24 28 32 36
TOTAL SUPPLY VOLTAGE (V)
18812 G02
Settling Time vs Output Step
10
8 VS = ±15V
AV = –1
6
4
0.1%
0.01%
2
0
–2
–4
0.1%
0.01%
–6
–8
–10
0 5 10 15 20 25 30 35 40 45 50 55 60 65
SETTLING TIME (μs)
18812 G04
Settling Time vs Output Step
10
8 VS = ±15V
AV = 1
6
4
0.1%
2
0.01%
0
–2
0.1%
0.01%
–4
–6
–8
–10
0 5 10 15 20 25 30 35 40 45 50 55 60 65
SETTLING TIME (μs)
18812 G05
Slew Rate vs Temperature
0.5
AV = –1
RISING
VS = ±15V
0.4
VS = ±5V
0.3
VS = ±15V
FALLING
0.2
VS = ±5V
0.1
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
18812 G03
Gain Bandwidth Product
vs Supply Voltage
900
850
125°C
800
25°C
750
–55°C
700
650
600
0
4 8 12 16 20 24 28 32 36
TOTAL SUPPLY VOLTAGE (V)
18812 G06
Phase Margin vs Supply Voltage
60
58
–55°C
56
54
125°C
125°C
52
50
48
46
0 4 8 12 16 20 24 28 32 36
TOTAL SUPPLY VOLTAGE (V)
18812 G07
8
Gain vs Frequency, AV = –1
10
0
–10
–20
VS = ±2.5V VS = ±15V
–30
–40
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
18812 G08
Gain vs Frequency, AV = 1
10
0
–10
VS = ±2.5V VS = ±15V
–20
–30
–40
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
18812 G09
18812fb
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