LTC2997
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 3.3V unless otherwise noted.
Temperature Error with LTC2997
at Same Temperature as Remote
Diode
3
Remote Temperature Error vs
TA with Remote Diode at 25°C
3
Internal Temperature Error vs
TA, TINT
3
2
2
2
1
1
1
0
0
0
–1
–1
–1
–2
–2
–2
–3
–50 –25 0
25 50 75 100 125 150
TA (°C)
2997 G01
–3
–50 –25 0
25 50 75 100 125 150
TA (°C)
2997 G02
–3
–50 –25 0
25 50 75 100 125 150
TA (°C)
2997 G03
Temperature Error vs
VCC - Remote/Internal, TVCC
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
1
2
3
4
5
6
VCC (V)
2997 G04
Remote Temperature Error vs
Series Resistance, TRS
1.5
1.0
0.5
0
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–0.5
–1.0
–1.5
0
200 400 600 800 1000
SERIES RESISTOR (Ω)
2997 G05
Remote Temperature Error vs
CDECOUPLE (Between D+ and D–)
0.8
0.4
0
–0.4
–0.8
0
1
2
3
4
5
DECOUPLE CAPACITOR (nF)
2997 G06
VPTAT Noise vs Averaging Time
0.30
0.25
0.20
0.15
0.10
0.05
0
0.01
0.1
1
10
AVERAGING TIME (ms)
100
2997 G07
UVLO vs Temperature
VCC Rising, Falling
2.4
VCC RISING
2.2
VCC FALLING
2.0
1.8
1.6
1.4
1.2
1.0
–50 –25 0
25 50 75 100 125 150 175
TA (°C)
2997 G08
Buffered Reference Voltage
vs Temperature, VREF
1.810
1.805
1.800
1.795
1.790
–50 –25 0
25 50 75
TA (°C)
100 125 150
2997 G09
4
2997fa
Datasheet pdf - http://www.DataSheet4U.co.kr/