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LTC2485CDD Datasheet(PDF) 27 Page - Linear Technology

Part # LTC2485CDD
Description  24-Bit ?誇 ADC with Easy Drive Input Current Cancellation and I2C Interface
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2485CDD Datasheet(HTML) 27 Page - Linear Technology

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27
LTC2485
2485fa
Figure 26. Offset Error vs Output
Data Rate and Reference Voltage
Figure 28. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Reference Voltage
Figure 25. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 27. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Reference Voltage
Figure 23. –FS Error vs Output Data Rate and Temperature
Figure 24. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Temperature
OUTPUT DATA RATE (READINGS/SEC)
0
–3500
–3000
–2000
–1500
–1000
0
10
50
70
2485 F23
–2500
–500
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VCC = VREF = 5V
CA0/F0 = EXT CLOCK
TA = 85°C
TA = 25°C
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
20
24
10
50
70
2485 F24
14
22
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VCC = VREF = 5V
VIN = 0V
CA0/F0 = EXT CLOCK
RES = LOG 2 (VREF/NOISERMS)
TA = 85°C
TA = 25°C
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
22
10
50
70
2485 F25
14
20
40
90 100
20 30
60
80
TA = 85°C
TA = 25°C
VIN(CM) = VREF(CM)
VCC = VREF = 5V
CA0/F0 = EXT CLOCK
RES = LOG 2 (VREF/INLMAX)
OUTPUT DATA RATE (READINGS/SEC)
0
–10
–5
5
10
20
10
50
70
2485 F26
0
15
40
90 100
20 30
60
80
VCC = 5V, VREF = 2.5V
VCC = VREF = 5V
VIN(CM) = VREF(CM)
VIN = 0V
CA0/F0 = EXT CLOCK
TA = 25°C
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
20
24
10
50
70
2485 F27
14
22
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VIN = 0V
CA0/F0 = EXT CLOCK
TA = 25°C
RES = LOG 2 (VREF/NOISERMS)
VCC = 5V, VREF = 2.5V
VCC = VREF = 5V
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
22
10
50
70
2485 F28
14
20
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VIN = 0V
CA0/F0 = EXT CLOCK
TA = 25°C
RES = LOG 2 (VREF/INLMAX)
VCC = 5V, VREF = 2.5V
VCC = VREF = 5V
APPLICATIO S I FOR ATIO



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