Figure 37. Resolution (NoiseRMS ≤ 1LSB)" />
參數(shù)資料
型號: DC1011A-C
廠商: Linear Technology
文件頁數(shù): 29/38頁
文件大?。?/td> 0K
描述: BOARD DELTA SIGMA ADC LTC2494
軟件下載: QuikEval System
設(shè)計(jì)資源: DC1011A Schematic
DC1011A Design Files
標(biāo)準(zhǔn)包裝: 1
系列: Easy Drive™, QuikEval™
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 15
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
已用 IC / 零件: LTC2494
已供物品:
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LTC2494
2494fd
applications inForMation
Figure 37. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Reference Voltage
Figure 38. Resolution (INLMAX ≤ 1LSB) vs
Output Data Rate and Reference Voltage
Figure 36. Offset Error vs Output Data
Rate and Reference Voltage
Figure 33.–FS Error vs Output Data
Rate and Temperature
Figure 34. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 35. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 31. Offset Error vs Output Data
Rate and Temperature
Figure 32. +FS Error vs Output Data
Rate and Temperature
OUTPUT DATA RATE (READINGS/SEC)
–10
OFFSET
ERROR
(ppm
OF
V
REF
)
10
30
50
0
20
40
20
40
60
80
2494 F31
100
10
0
30
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
+FS
ERROR
(ppm
OF
V
REF
)
500
1500
2000
2500
3500
10
50
70
2494 F32
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
–FS
ERROR
(ppm
OF
V
REF
)
–3000
–2000
–1500
–1000
0
10
50
70
2494 F33
–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
OFFSET
ERROR
(ppm
OF
V
REF
)
–5
5
10
20
10
50
70
2494 F36
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
RESOLUTION
(BITS)
12
16
18
10
50
70
2494 F34
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
RESOLUTION
(BITS)
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)
2494 F35
OUTPUT DATA RATE (READINGS/SEC)
0
10
RESOLUTION
(BITS)
12
16
18
10
50
70
2494 F37
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
OUTPUT DATA RATE (READINGS/SEC)
0
10
RESOLUTION
(BITS)
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)
2494 F38
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