LTC1854 データシートの表示（PDF） - Linear Technology
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LTC1854 Datasheet PDF : 24 Pages
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LTC1854/LTC1855/LTC1856
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1856 Channel-to-Channel Gain
Error Matching vs Temperature
1.0
LTC1855 Channel-to-Channel Gain
Error Matching vs Temperature
0.5
0.5
0.25
0
0
–0.5
–0.25
–1.0
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
185456 G19
Internal Reference Voltage
vs Temperature
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
185456 G22
–0.5
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
185456 G20
Change in REFCOMP Voltage
vs Load Current
0.04
0.02
0
–0.02
–0.04
–50
–40 –30 –20 –10
LOAD CURRENT (mA)
0 10
185456 G23
LTC1854 Channel-to-Channel Gain
Error Matching vs Temperature
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
– 50
–25 0 25 50
TEMPERATURE (°C)
75 100
185456 G21
LTC1856 Power Supply
Feedthrough vs Ripple Frequency
–10
fSAMPLE = 100kHz
–20 VRIPPLE = 60mV
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
1M
RIPPLE FREQUENCY (Hz)
185456 G24
8
Supply Current vs Supply Voltage
9.0
fSAMPLE = 100kHz
8.5
8.0
7.5
7.0
4.5
4.75
5
5.25
5.5
SUPPLY VOLTAGE (V)
185454 G25
Supply Current vs Temperature
9.0
fSAMPLE = 100kHz
8.5
8.0
7.5
7.0
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
185456 G26
185456fa
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