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LTC2483CDD Datasheet(PDF) 27 Page - Linear Technology

Part # LTC2483CDD
Description  16-Bit ?誇 ADC with Easy Drive Input Current Cancellation and I2C Interface
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2483CDD Datasheet(HTML) 27 Page - Linear Technology

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LTC2483
2483f
APPLICATIO S I FOR ATIO
INPUT FREQUENCY (Hz)
0
15
30
45
60
75
90
105 120 135 150 165 180 195 210 225 240
2483 F30
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 30. Input Normal Mode Rejection vs Input Frequency
with Input Perturbation of 100% Full Scale
(60Hz Notch fEOSC = 307.2kHz)
Figure 31. Input Normal Mode Rejection vs Input Frequency
with Input Perturbation of 100% Full Scale
(50Hz Notch fEOSC = 256kHz)
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
2483 F31
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 32. Input Normal Mode Rejection vs Input Frequency
with Input Perturbation of 100% Full Scale (Internal Oscillator)
INPUT FREQUENCY (Hz)
0
20
40
60
80
100
120
140
160
180
200
220
2483 F32
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
15
30
45
60
75
90
105 120 135 150 165 180 195 210 225 240
2483 F33
0
–20
–40
–60
–80
–100
–120
VCC = 5V
VREF = 5V
VINCM = 2.5V
TA = 25°C
VIN(P-P) = 5V
VIN(P-P) = 7.5V
(150% OF FULL SCALE)
Figure 33. Measured Input Normal Mode Rejection vs
Input Frequency with Input Perturbation of 150% Full
Scale (60Hz Notch fEOSC = 307.2kHz)
Figure 34. Measured Input Normal Mode Rejection vs
Input Frequency with Input Perturbation of 150% Full
Scale (50Hz Notch fEOSC = 256kHz)
INPUT FREQUENCY (Hz)
0
2483 F34
0
–20
–40
–60
–80
–100
–120
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
TA = 25°C
VIN(P-P) = 5V
VIN(P-P) = 7.5V
(150% OF FULL SCALE)
12.5
25
37.5
50
62.5
75
87.5 100 112.5 125 137.5 150 162.5 175 187.5 200



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