Datasheet

LTC2451
5
2451fg
Maximum INL vs Temperature
Offset Error vs Temperature
30Hz Mode
Offset Error vs Temperature
60Hz Mode
Gain Error vs Temperature Transition Noise vs Temperature Transition Noise vs Output Code
TEMPERATURE (°C)
–50
0
INL (LSB)
1.0
2.0
3.0
–25
0
25 50 75
4.0
5.0
0.5
1.5
2.5
3.5
4.5
100
2451 G04
V
CC
= 3V
V
CC
= 5V
V
CC
= 4.1V
TEMPERATURE (°C)
–50
0.00
OFFSET (mV)
0.10
0.20
0.30
–25
0
25 50 75
0.40
0.50
0.05
0.15
0.25
0.35
0.45
100
2451 G05
V
CC
= 3V
V
CC
= 4.1V
V
CC
= 5V
TEMPERATURE (°C)
–50
0.00
OFFSET (mV)
0.10
0.20
0.30
–25
0
25 50 75
0.40
0.50
0.05
0.15
0.25
0.35
0.45
100
2451 G06
V
CC
= 5V, 4.1V, 3V
TEMPERATURE (°C)
–50
0
GAIN ERROR (LSB)
2
4
6
–25
0
25 50 75
8
10
1
3
5
7
9
100
2451 G07
V
CC
= 3V
V
CC
= 4.1V
V
CC
= 5V
TEMPERATURE (°C)
–50
0
TRANSITION NOISE RMS (µV)
0.5
1.0
1.5
2.0
3.0
–25
0 25 50
2451 G08
75 100
2.5
V
CC
= 5V
V
CC
= 3V
OUTPUT CODE
0 65536
0
TRANSITION NOISE RMS (µV)
0.5
1.0
1.5
2.0
16384 4915232768
2451 G09
2.5
3.0
V
CC
= 5V
V
CC
= 3V
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C; graphs apply to both 30Hz and 60Hz modes, unless otherwise noted.
Conversion Mode Power Supply
Current vs Temperature
Sleep Mode Power Supply
Current vs Temperature
Average Power Dissipation vs
Temperature V
CC
= 3V, 30Hz Mode
TEMPERATURE (°C)
0
CONVERSION CURRENT (µA)
100
200
300
400
2451 G10
500
600
–50
–25
0 25 50 75 100
V
CC
= 5V
V
CC
= 3V
V
CC
= 4.1V
TEMPERATURE (°C)
–50
0
SLEEP CURRENT (nA)
50
100
150
200
250
–25
0 25 50
2451 G11
75 100
V
CC
= 5V
V
CC
= 3V
V
CC
= 4.1V
25Hz OUTPUT SAMPLE RATE
10Hz OUTPUT SAMPLE RATE
1Hz OUTPUT SAMPLE RATE
TEMPERATURE (°C)
–50
1
AVERAGE POWER DISSIPATION (µW)
10
100
1000
10000
–25 0 25 50
2451 G12
75 100