LTC2991I Просмотр технического описания (PDF) - Linear Technology
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LTC2991I Datasheet PDF : 32 Pages
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LTC2991
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 3.3V, unless otherwise noted.
Shutdown Current vs Temperature
3.5
3.0
VCC = 5V
2.5
2.0
1.5
VCC = 3.3V
1.0
0.5
0
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G01
Supply Current vs Temperature
1200
VCC = 5V
1150
1100
1050
1000
VCC = 3.3V
950
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G02
Measurement Delay Variation
vs T Normalized to 3.3V, 25°C
4
3
VCC = 5V
2
1
VCC = 3.3V
0
–1
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G03
VCC TUE
0.25
Single-Ended VX TUE
0.50
Differential Voltage TUE
0.25
0
–0.25
0.25
0
–0.25
0
–0.25
–0.50
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G04
TINTERNAL Error
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G07
–0.50
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G05
Remote Diode Error with LTC2991
at 25°C
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–50 –25 0 25 50 75 100 125 150
BATH TEMPERATURE (°C)
2991 G08
For more information www.linear.com/LTC2991
–0.50
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G06
Remote Diode Error with LTC2991
at Same Temperature as Diode
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–50 –25 0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
2991 G09
2991ff
5
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