External Oscillator (fEOSC
參數(shù)資料
型號: DC955A
廠商: Linear Technology
文件頁數(shù): 18/34頁
文件大?。?/td> 0K
描述: BOARD DELTA SIGMA ADC LTC2483
軟件下載: QuikEval System
設(shè)計資源: DC955A Design File
DC955A Schematic
標準包裝: 1
系列: Easy Drive™, QuikEval™
ADC 的數(shù)量: 1
位數(shù): 16
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: LTC2483
已供物品:
相關(guān)產(chǎn)品: LTC2483IDD#TRPBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483CDD#TRPBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483IDD#PBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483CDD#PBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483
2483fc
applicaTions inFormaTion
Figure 26. Input Normal Mode Rejection,
External Oscillator (fEOSC = 256kHz)
50Hz Rejection
Figure 28. Input Normal Mode Rejection at DC
INPUT SIGNAL FREQUENCY (Hz)
INPUT
NORMAL
MODE
REJECTION
(dB)
2483 F28
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
Figure 29. Input Normal Mode Rejection at fs = 256fN
INPUT SIGNAL FREQUENCY (Hz)
250fN 252fN 254fN 256fN 258fN 260fN 262fN
INPUT
NORMAL
MODE
REJECTION
(dB)
2483 F29
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
DIFFERENTIAL INPUT SIGNAL FREQUENCY (Hz)
0 fS 2fS 3fS 4fS 5fS 6fS 7fS 8fS 9fS10fS11fS12fS
INPUT
NORMAL
MODE
REJECTION
(dB)
2483 F26
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
Figure 27. Input Normal Mode Rejection at DC
(Internal Oscillator)
DIFFERENTIAL INPUT SIGNAL FREQUENCY (Hz)
0
fS
INPUT
NORMAL
MODE
REJECTION
(dB)
2483 F27
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
2fS 3fS 4fS 5fS 6fS 7fS 8fS 9fS 10fS
Figure 24. Input Signal Using the Internal Oscillator
DIFFERENTIAL INPUT SIGNAL FREQUENCY (Hz)
0
INPUT
SIGNAL
ATTENUATION
(dB)
–3
–2
–1
0
4
2483 F24
–4
–5
–6
1
2
3
5
50Hz fEOSC = 256kHz
60Hz fEOSC = 307.2kHz
INTERNAL
OSCILLATOR
Figure 25. Input Refered Noise Equivalent Bandwidth
of an Input Connected White Noise Source
INPUT NOISE SOURCE SINGLE POLE
EQUIVALENT BANDWIDTH (Hz)
1
INPUT
REFERRED
NOISE
EQUIVALENT
BANDWIDTH
(Hz)
10
0.1
1
10
100
1k
10k 100k 1M
2483 F25
0.1
100
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