參數(shù)資料
型號: DC939A
廠商: Linear Technology
文件頁數(shù): 29/42頁
文件大?。?/td> 0K
描述: BOARD DELTA SIGMA ADC LTC2484
軟件下載: QuikEval System
設(shè)計資源: DC939A Design File
DC939A 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: MICROWIRE?,串行,SPI?
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC2484
已供物品:
相關(guān)產(chǎn)品: LTC2484CDD#TRPBF-ND - IC ADC 24BIT 10-DFN
LTC2484IDD#TRPBF-ND - IC ADC 24BIT 10-DFN
LTC2484IDD#PBF-ND - IC ADC 24BIT 10-DFN
LTC2484CDD#PBF-ND - IC ADC 24BIT 10-DFN
LTC2484
35
2484fd
APPLICATIONS INFORMATION
INPUT SIGNAL FREQUENCY (Hz)
INPUT
NORMAL
MODE
REJECTION
(dB)
2484 F32
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
fN
0
2fN 3fN 4fN 5fN 6fN 7fN 8fN
INPUT SIGNAL FREQUENCY (Hz)
250fN 252fN 254fN 256fN 258fN 260fN 262fN
INPUT
NORMAL
MODE
REJECTION
(dB)
2484 F33
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
Figure 32. Input Normal Mode Rejection at DC
Figure 33. Input Normal Mode Rejection at fS = 256fN
INPUT FREQUENCY (Hz)
0
15
30
45
60
75
90
105 120 135 150 165 180 195 210 225 240
NORMAL
MODE
REJECTION
(dB)
2484 F34
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
Figure 34. Input Normal Mode Rejection vs Input Frequency
with Input Perturbation of 100% Full-Scale (60Hz Notch)
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)
2484 F35
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
Figure 35. Input Normal Mode Rejection vs Input Frequency
with Input Perturbation of 100% Full-Scale (50Hz Notch)
Figure 36. Input Normal Mode Rejection vs Input Frequency
with Input Perturbation of 100% Full-Scale (50Hz/60Hz Mode)
INPUT FREQUENCY (Hz)
0
20
40
60
80
100
120
140
160
180
200
220
NORMAL
MODE
REJECTION
(dB)
2484 F36
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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