LTC2996
TA = 25°C, VCC = 3.3V unless otherwise noted.
Typical perForMance characTerisTics
Remote Temperature Error
vs Ambient Temperature
Internal Temperature Error
vs Ambient Temperature
Temperature Error with LTC2996 at
Same Temperature as Remote Diode
3
2
3
2
3
2
T
= 35°C
T
= T
REMOTE
REMOTE
INTERNAL
1
1
1
0
0
0
–1
–2
–3
–1
–2
–3
–1
–2
–3
–50 –25
0
25
T
50
(°C)
75 100 125
–50 –25
0
25
T
50
(°C)
75 100 125
–50 –25
0
25
50
(°C)
75 100 125
T
A
A
A
2996 G02
2996 G03
2996 G01
Temperature Error vs Supply
Voltage
Remote Temperature Error
Remote Temperature Error
vs Series Resistance
vs CDECOUPLE (Between D+ and D–)
6
4
0.4
0.3
6
4
0.2
0.1
2
0
2
0.0
0
–0.1
–0.2
–0.3
–0.4
–2
–4
–6
–2
–4
–6
6
1
2
3
4
5
0
200
400
600
800 1000 1200
0
2
4
6
8
10
V
(V)
SERIES RESISTANCE (Ω)
DECOUPLE CAPACITOR (nF)
CC
2996 G04
2996 G05
2996 G06
UVLO vs Temperature
VCC Rising, Falling
Buffered Reference Voltage
vs Temperature
VPTAT Noise vs Averaging Time
1.810
1.805
1.800
1.795
1.790
0.20
0.15
0.10
0.05
0
2.2
2.1
2.0
1.9
1.8
V
CC
RISING
CC
V
FALLING
80 100 140 160
–60 –40 –20
0
20 40 60
(°C)
10
AVERAGING TIME (ms)
100
1000
100 125 150
0.01
0.1
1
–50 –25
0
25 50 75
(°C)
T
T
A
A
2996 G09
2996 G07
2996 G08
2996f
4
Linear [ Linear ]
