
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
VCC = 3V
VCC = 5V
VCC = 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
VCC = 3V
VCC = 4.1V
VCC = 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
VCC = 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
VCC = 3V
VCC = 4.1V
VCC = 5V
TEMPERATURE (°C)
–50
0
TRANSITION
NOISE
RMS
(
V)
0.5
1.0
1.5
2.0
3.0
–25
0
25
50
2451 G08
75
100
2.5
VCC = 5V
VCC = 3V
OUTPUT CODE
0
65536
0
TRANSITION
NOISE
RMS
(
V)
0.5
1.0
1.5
2.0
16384
49152
32768
2451 G09
2.5
3.0
VCC = 5V
VCC = 3V
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 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 VCC = 3V, 30Hz Mode
TEMPERATURE (°C)
0
CONVERSION
CURRENT
(A)
100
200
300
400
2451 G10
500
600
–50
–25
0
25
50
75
100
VCC = 5V
VCC = 3V
VCC = 4.1V
TEMPERATURE (°C)
–50
0
SLEEP
CURRENT
(nA)
50
100
150
200
250
–25
0
25
50
2451 G11
75
100
VCC = 5V
VCC = 3V
VCC = 4.1V
25Hz OUTPUT SAMPLE RATE
10Hz OUTPUT SAMPLE RATE
1Hz OUTPUT SAMPLE RATE
TEMPERATURE (°C)
–50
1
AVERAGE
POWER
DISSIP
ATION
(W)
10
100
1000
10000
–25
0
25
50
2451 G12
75
100