MCP3202 Ver la hoja de datos (PDF) - Microchip Technology
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MCP3202 Datasheet PDF : 28 Pages
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MCP3202
Note: Unless otherwise indicated, VDD = 5V, VSS = 0V, fSAMPLE = 100 ksps, fCLK = 18* fSAMPLE,TA = 25°C
12.0
11.5
FSAMPLE = 50ksps
11.0
10.5
FSAMPLE = 100 ksps
10.0
9.5
9.0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
VDD (V)
FIGURE 2-25: Effective Number of Bits (ENOB) vs.
VDD.
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
1
VDD = 5V
FSAMPLE = 100 ksps
VDD = 2.7V
FSAMPLE = 50 ksps
10
100
Input Frequency (kHz)
FIGURE 2-28: Effective Number of Bits (ENOB) vs.
Input Frequency.
100
90
80
70
60
50
40
30
20
10
0
1
VDD = 5V
FSAMPLE = 100 ksps
VDD = 2.7V
FSAMPLE = 50 ksps
10
100
Input Frequency (kHz)
FIGURE 2-26: Spurious Free Dynamic Range
(SFDR) vs. Input Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
1
10
100
1000
Ripple Frequency (kHz)
10000
FIGURE 2-29: Power Supply Rejection (PSR) vs.
Ripple Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
0
VDD = 5V
FSAMPLE = 100 ksps
FINPUT = 9.985 kHz
4096 points
10000 20000 30000 40000
Frequency (Hz)
50000
FIGURE 2-27: Frequency Spectrum of 10 kHz input
(Representative Part).
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
0
VDD = 2.7V
FSAMPLE = 50 ksps
FINPUT = 998.76 Hz
4096 points
5000
10000 15000 20000
Frequency (Hz)
25000
FIGURE 2-30: Frequency Spectrum of 1 kHz input
(Representative Part, VDD = 2.7V).
© 2006 Microchip Technology Inc.
DS21034D-page 9
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