
LTC2435/LTC2435-1
33
24351fc
applicaTions inForMaTion
Figure 28. –FS Error vs Output Data Rate and Temperature
Figure 29. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 31. Offset Change* vs Output
Data Rate and Reference Voltage
Figure 30. Resolution (INLRMS ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 33. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Reference Voltage
Figure 32. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Reference Voltage
OUTPUT DATA RATE (READINGS/SEC)
–200
–220
–240
–260
–280
–300
–320
–340
–360
–380
–400
–FS
ERROR
(ppm
OF
V
REF
)
2435 F28
0 20 40 60 80 100 120 140 160 180 200
VINCM = VREFCM
VCC = VREF = 5V
FO = EXT OSC
TA = 25°C
TA = 85°C
OUTPUT DATA RATE (READINGS/SEC)
0
RESOLUTION
(BITS)
22
21
20
19
18
17
16
15
60 80 100
2435 F29
40
20
120 140 160 180 200
TA = 25°C
TA = 85°C
VCC = VREF = 5V
VINCM = VREFCM
VIN = 0V
REF– = GND
FO = EXT OSC
RES = LOG2(VREF/NOISERMS)
OUTPUT DATA RATE (READINGS/SEC)
21
20
19
18
17
16
15
14
RESOLUTION
(BITS)
2435 F30
0 20 40 60 80 100 120 140 160 180 200
VCC = VREF = 5V
VINCM = VREFCM
REF– = GND
FO = EXT OSC
RES = LOG2 (VREF/INLMAX)
TA = 25°C
TA = 85°C
OUTPUT DATA RATE (READINGS/SEC)
0
OFFSET
CHANGE*
(ppm
OF
V
REF
)
50
40
30
20
10
0
–10
–20
–30
–40
–50
60 80 100
2435 F31
40
20
120 140 160 180 200
VCC = 2.7V
VREF = 2.5V
VINCM = VREFCM
VIN = 0V
REF– = GND
FO = EXT OSC
TA = 25°C
VCC = VREF = 5V
* RELATIVE TO OFFSET AT
NORMAL OUTPUT RATE
OUTPUT DATA RATE (READINGS/SEC)
0
RESOLUTION
(BITS)
22
21
20
19
18
17
16
15
60 80 100
2435 F32
40
20
120 140 160 180 200
VINCM = VREFCM
VIN = 0V
REF– = GND
FO = EXT OSC
TA = 25°C
RES = LOG2(VREF/NOISERMS)
VCC = 2.7V
VREF = 2.5V
VCC = VREF = 5V
OUTPUT DATA RATE (READINGS/SEC)
21
20
19
18
17
16
15
14
RESOLUTION
(BITS)
2435 F33
0 20 40 60 80 100 120 140 160 180 200
VINCM = VREFCM
VIN = 0V
REF– = GND
FO = EXT OSC
TA = 25°C
RES = LOG2 (VREF/INLMAX)
VCC = VREF = 5V
VCC = 2.7V
VREF = 2.5V