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LTC2997 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC2997
Description  Remote/Internal Temperature Sensor
PDF  18 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2997 Datasheet(HTML) 4 Page - Linear Technology

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LTC2997
4
2997fa
TYPICAL PERFORMANCE CHARACTERISTICS
Remote Temperature Error vs
Series Resistance, TRS
Remote Temperature Error vs
CDECOUPLE (Between D+ and D–)
Temperature Error with LTC2997
at Same Temperature as Remote
Diode
Remote Temperature Error vs
TA with Remote Diode at 25°C
Internal Temperature Error vs
TA, TINT
UVLO vs Temperature
VCC Rising, Falling
Buffered Reference Voltage
vs Temperature, VREF
SERIES RESISTOR (Ω)
0
–1.5
–1.0
0
–0.5
800
600
2997 G05
0.5
1.5
1.0
200
400
1000
DECOUPLE CAPACITOR (nF)
0
0
–0.4
–0.8
4
3
2997 G06
0.4
0.8
12
5
AVERAGING TIME (ms)
0.01
0
0.05
0.15
0.20
0.10
1
100
2997 G07
0.25
0.30
0.1
10
VCC (V)
1
–1.0
–0.8
–0.2
0
–0.4
–0.6
35
2997 G04
0.2
0.4
24
6
Temperature Error vs
VCC - Remote/Internal, TVCC
VPTAT Noise vs Averaging Time
TA (°C)
–50
–3
–2
0
–1
75
150
100
2997 G01
3
1
2
–25
0
25
50
125
TA (°C)
–50
–3
–2
0
–1
75
150
100
2997 G02
3
1
2
–25
0
25
50
125
TA (°C)
–50
–3
–2
0
–1
75
150
100
2997 G03
3
1
2
–25
0
25
50
125
TA (°C)
–50
1.0
1.2
1.8
2.0
1.6
1.4
25
75
175
150
2997 G08
2.2
2.4
0
–25
50
100 125
VCC RISING
VCC FALLING
TA (°C)
1.790
1.795
2997 G09
1.800
1.810
1.805
–50
25
75
150
0
–25
50
100 125
TA = 25°C, VCC = 3.3V unless otherwise noted.



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