Figure 20. Input Normal Mode Rejection at fS = 256 f
參數(shù)資料
型號(hào): DC1010A-C
廠商: Linear Technology
文件頁(yè)數(shù): 19/32頁(yè)
文件大?。?/td> 0K
描述: BOARD DELTA SIGMA ADC LTC2487
軟件下載: QuikEval System
設(shè)計(jì)資源: DC1010A Design File
DC1010A Schematic
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: I²C,串行
已用 IC / 零件: LTC2487
已供物品:
相關(guān)產(chǎn)品: LTC2487IDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2487CDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2487CDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2487IDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2487
26
2487fd
Figure 20. Input Normal Mode Rejection at fS = 256 fN
Figure 19. Input Normal Mode Rejection at DC
APPLICATIONS INFORMATION
INPUT SIGNAL FREQUENCY (Hz)
INPUT
NORMAL
MODE
REJECTION
(dB)
2487 F19
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
fN
0
2fN 3fN 4fN 5fN 6fN 7fN 8fN
fN = fEOSC/5120
INPUT SIGNAL FREQUENCY (Hz)
250fN 252fN 254fN 256fN 258fN 260fN 262fN
INPUT
NORMAL
MODE
REJECTION
(dB)
2487 F20
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
fN = fEOSC/5120
Figure 21. Input Normal Mode Rejection vs Input Frequency with
Input Perturbation of 100% (60Hz Notch)
Figure 22. Input Normal Mode Rejection vs Input Frequency with
Input Perturbation of 100% (50Hz Notch)
INPUT FREQUENCY (Hz)
0
15
30
45
60
75
90
105 120 135 150 165 180 195 210 225 240
NORMAL
MODE
REJECTION
(dB)
2487 F21
0
–20
–40
–60
–80
–100
–120
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
VIN(P-P) = 5V
TA = 25°C
MEASURED DATA
CALCULATED DATA
INPUT FREQUENCY (Hz)
0
12.5
25
37.5
50
62.5
75
87.5 100 112.5 125 137.5 150 162.5 175 187.5 200
NORMAL
MODE
REJECTION
(dB)
2487 F22
0
–20
–40
–60
–80
–100
–120
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
VIN(P-P) = 5V
TA = 25°C
MEASURED DATA
CALCULATED DATA
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