Datasheet

LTC2450
5
2450fb
Transition Noise vs Output Code
Conversion Mode Power Supply
Current vs Temperature
Sleep Mode Power Supply
Current vs Temperature
TYPICAL PERFORMANCE CHARACTERISTICS
Conversion Period vs
Temperature
Average Power Dissipation
vs Temperature, V
CC
= 3V
OUTPUT CODE (NORMALIZED TO FULL SCALE)
0
TRANSITION NOISE RMS (μV)
1.50
3.00
0.80 1.00
2450 G07
1.00
0.25
0.50
0.75
2.50
2.00
1.25
2.75
0
2.25
1.75
0.20
0.40 0.60
V
CC
= 5V
V
CC
= 3V
T
A
= 25°C
TEMPERATURE (°C)
–45 –25
0
CONVERSION CURRENT (μA)
200
500
–5
35
55
2450 G08
100
400
300
15
75
95
V
CC
= 5V
V
CC
= 3V
V
CC
= 4.1V
TEMPERATURE (°C)
–45 –25
0
SLEEP MODE CURRENT (nA)
100
250
–5
35
55
2450 G09
50
200
150
15
75
95
V
CC
= 5V
V
CC
= 3V
V
CC
= 4.1V
TEMPERATURE (°C)
–50
10
AVERAGE POWER DISSIPATION (μW)
100
1000
10000
–25 0 25 50
2450 G10
75 100
25Hz OUTPUT SAMPLE RATE
10Hz OUTPUT SAMPLE RATE
1Hz OUTPUT SAMPLE RATE
TEMPERATURE (°C)
–45
CONVERSION TIME (ms)
38
40
42
15 55
2450 G11
36
34
–25 –5
35 75 95
32
30
V
CC
= 5V, 4.1V, 3V