LTC2995
TYPICAL PERFORMANCE CHARACTERISTICS
Temperature Error with LTC2995 at
Same Temperature as Remote Diode
3
2
T
RMT
ERROR (°C)
1
0
–1
–2
–3
–50 –25
T
RMT
ERROR (°C)
T
INTERNAL
= T
REMOTE
3
2
T
INT
ERROR (°C)
0
25
50 75
T
A
(°C)
100 125 150
2995 G02
T
A
= 25°C, V
CC
= 3.3V unless otherwise noted.
Internal Temperature Error
vs Ambient Temperature
3
2
1
0
–1
–2
–3
–50 –25
Remote Temperature Error
vs Ambient Temperature
T
REMOTE
= 25°C
1
0
–1
–2
–3
–50 –25
0
25
50 75
T
A
(°C)
100 125 150
2995 G01
0
25
50 75
T
A
(°C)
100 125 150
2995 G03
Temperature Error vs Supply
Voltage
0.6
0.4
0.2
ERROR (°C)
0
–0.2
–0.4
–0.6
6
4
2
0
–2
–4
–6
Remote Temperature Error
vs Series Resistance
6
4
2
ERROR (°C)
0
200
400
600
800 1000
SERIES RESISTANCE (Ω)
1200
0
–2
–4
–6
Remote Temperature Error
vs C
DECOUPLE
(Between D
+
and D
–
)
ERROR (°C)
2
3
4
V
CC
(V)
5
6
2995 G04
0
6
8
2
4
DECOUPLE CAPACITOR (nF)
10
2995 G06
2995 G05
V
PTAT
Noise vs Averaging Time
0.20
2.2
UVLO vs Temperature
V
CC
Rising, Falling
V
CC
RISING
V
CC
FALLING
1.810
Buffered Reference Voltage
vs Temperature
V
PTAT
NOISE (°C RMS)
0.15
2.0
UVLO (V)
0.10
1.805
V
REF
(V)
1.8
1.6
–50 –25
0
25
50 75
T
A
(°C)
100 125 150
2995 G08
1.800
0.05
1.795
0
0.01
0.1
10
100
1
AVERAGING TIME (ms)
1000
2995 G07
1.790
–50 –25
0
25
50 75
T
A
(°C)
100 125 150
2995 G09
2995f
5
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
