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LTC2489 数据表(PDF) 21 Page - Linear Technology

部件名 LTC2489
功能描述  16-Bit 2-/4-Channel ADC with Easy Drive Input Current Cancellation and I2C Interface
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC2489 数据表(HTML) 21 Page - Linear Technology

Back Button LTC2489 Datasheet HTML 16Page - Linear Technology LTC2489 Datasheet HTML 17Page - Linear Technology LTC2489 Datasheet HTML 18Page - Linear Technology LTC2489 Datasheet HTML 19Page - Linear Technology LTC2489 Datasheet HTML 20Page - Linear Technology LTC2489 Datasheet HTML 21Page - Linear Technology LTC2489 Datasheet HTML 22Page - Linear Technology LTC2489 Datasheet HTML 23Page - Linear Technology LTC2489 Datasheet HTML 24Page - Linear Technology  
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LTC2489
21
2489f
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
10
50
70
14
40
90 100
20 30
60
80
TA = 85°C
TA = 25°C
VIN(CM) = VREF(CM)
VCC = VREF = 5V
FO = EXT CLOCK
RES = LOG 2 (VREF/INLMAX)
2489 F23
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
10
50
70
14
40
90 100
20 30
60
80
VCC = 5V, VREF = 2.5V
VCC = VREF = 5V
VIN(CM) = VREF(CM)
VIN = 0V
REF– = GND
FO = EXT CLOCK
TA = 25°C
RES = LOG 2 (VREF/INLMAX)
2489 F26
Figure 19. Offset Error vs Output Data
Rate and Temperature
Figure 20. +FS Error vs Output Data
Rate and Temperature
Figure 21.–FS Error vs Output Data
Rate and Temperature
Figure 22. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 23. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 25. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 26. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 24. Offset Error vs Output
Data Rate and Temperature
APPLICATIONS INFORMATION
OUTPUT DATA RATE (READINGS/SEC)
–10
10
30
50
0
20
40
20
40
60
80
2489 F19
100
10
030
50
70
90
VIN(CM) = VREF(CM)
VCC = VREF = 5V
VIN = 0V
FO = EXT CLOCK
TA = 85°C
TA = 25°C
OUTPUT DATA RATE (READINGS/SEC)
0
0
500
1500
2000
2500
3500
10
50
70
2489 F20
1000
3000
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VCC = VREF = 5V
FO = EXT CLOCK
TA = 85°C
TA = 25°C
OUTPUT DATA RATE (READINGS/SEC)
0
–3500
–3000
–2000
–1500
–1000
0
10
50
70
2489 F21
–2500
–500
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VCC = VREF = 5V
FO = EXT CLOCK
TA = 85°C
TA = 25°C
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
10
50
70
2489 F22
14
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VCC = VREF = 5V
VIN = 0V
FO = EXT CLOCK
RES = LOG 2 (VREF/NOISERMS)
TA = 25°C, 85°C
OUTPUT DATA RATE (READINGS/SEC)
0
–10
–5
5
10
20
10
50
70
2489 F24
0
15
40
90 100
20 30
60
80
VCC = 5V, VREF = 2.5V
VCC = VREF = 5V
VIN(CM) = VREF(CM)
VIN = 0V
FO = EXT CLOCK
TA = 25°C
OUTPUT DATA RATE (READINGS/SEC)
0
10
12
16
18
10
50
70
2489 F25
14
40
90 100
20 30
60
80
VIN(CM) = VREF(CM)
VIN = 0V
FO = EXT CLOCK
TA = 25°C
RES = LOG 2 (VREF/NOISERMS)
VCC = 5V, VREF = 2.5V, 5V



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