参数资料
型号: DC1009A-B
厂商: Linear Technology
文件页数: 20/30页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2488
软件下载: QuikEval System
设计资源: DC1009A Design File
DC1009A Schematic
标准包装: 1
系列: Easy Drive™, QuikEval™
ADC 的数量: 1
位数: 16
采样率(每秒): 6.9
数据接口: MICROWIRE?,串行,SPI?
已用 IC / 零件: LTC2488
已供物品:
相关产品: LTC2488CDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488IDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488CDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488IDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488
27
2488fa
OUTPUT DATA RATE (READINGS/SEC)
–10
OFFSET
ERROR
(ppm
OF
V
REF
)
10
30
50
0
20
40
20
40
60
80
2488 F20
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
–3500
–FS
ERROR
(ppm
OF
V
REF
)
–3000
–2000
–1500
–1000
0
10
50
70
2488 F22
–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
+FS
ERROR
(ppm
OF
V
REF
)
500
1500
2000
2500
3500
10
50
70
2488 F21
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
10
RESOLUTION
(BITS)
12
16
18
10
50
70
2488 F23
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)
2488 F24
APPLICATIONS INFORMATION
Figure 20. Offset Error vs Output Data
Rate and Temperature
Figure 21. +FS Error vs Output Data
Rate and Temperature
Figure 22.–FS Error vs Output Data Rate
and Temperature
Figure 23. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 24. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 26. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Reference
Voltage
Figure 27. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Reference
Voltage
OUTPUT DATA RATE (READINGS/SEC)
0
–10
OFFSET
ERROR
(ppm
OF
V
REF
)
–5
5
10
20
10
50
70
2488 F25
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
2488 F26
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 = 5V, 2.5V
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)
2488 F27
Figure 25. Offset Error vs Output Data
Rate and Reference Voltage
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