Figure 24. Resolution (Noise
參數(shù)資料
型號(hào): DC956A
廠商: Linear Technology
文件頁數(shù): 20/40頁
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2485
軟件下載: QuikEval System
設(shè)計(jì)資源: DC956A Design File
DC956A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: Easy Drive™, QuikEval™
ADC 的數(shù)量: 1
位數(shù): 24
采樣率(每秒): 6.8
數(shù)據(jù)接口: I²C,串行
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC2485
已供物品:
相關(guān)產(chǎn)品: LTC2485CDD#TRPBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485IDD#TRPBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485IDD#PBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485CDD#PBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485
27
2485fc
APPLICATIONS INFORMATION
Figure 23. –FS Error vs Output Data Rate and Temperature
Figure 24. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 25. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Temperature
Figure 26. Offset Error vs Output
Data Rate and Reference Voltage
Figure 27. Resolution (NoiseRMS ≤ 1LSB)
vs Output Data Rate and Reference Voltage
Figure 28. Resolution (INLMAX ≤ 1LSB)
vs Output Data Rate and Reference Voltage
OUTPUT DATA RATE (READINGS/SEC)
0
–3500
–FS
ERROR
(ppm
OF
V
REF
)
–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
RESOLUTION
(BITS)
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
RESOLUTION
(BITS)
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
OFFSET
ERROR
(ppm
OF
V
REF
)
–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
RESOLUTION
(BITS)
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
RESOLUTION
(BITS)
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
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