MCP3008-I 查看數據表（PDF） - Microchip Technology
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MCP3008-I
Microchip Technology
MCP3008-I Datasheet PDF : 40 Pages
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MCP3004/3008
Note: Unless otherwise indicated, VDD = VREF = 5V, fCLK = 18* fSAMPLE, TA = +25°C.
0.6
0.4
Positive INL
0.2
0.0
-0.2
Negative INL
-0.4
-0.6
-50
-25
FIGURE 2-7:
vs. Temperature.
0
25
50
Temperature (°C)
75
100
Integral Nonlinearity (INL)
0.6
VDD = VREF = 2.7 V
0.4 fSAMPLE = 75 ksps
0.2
Positive INL
0.0
-0.2
Negative INL
-0.4
-0.6
-50
-25
0
25
50
Temperature (°C)
75
100
FIGURE 2-10:
Integral Nonlinearity (INL)
vs. Temperature (VDD = 2.7V).
0.6
0.4
0.2
Positive DNL
0.0
-0.2
Negative DNL
-0.4
-0.6
0
25 50 75 100 125 150 175 200 225 250
Sample Rate (ksps)
FIGURE 2-8:
Differential Nonlinearity
(DNL) vs. Sample Rate.
0.6
VDD = VREF = 2.7 V
0.4
0.2
Positive DNL
0.0
-0.2
Negative DNL
-0.4
-0.6
0
25
50
75
100
Sample Rate (ksps)
FIGURE 2-11:
Differential Nonlinearity
(DNL) vs. Sample Rate (VDD = 2.7V).
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
1
FIGURE 2-9:
(DNL) vs. VREF.
Positive DNL
Negative DNL
2
3
4
5
VREF (V)
Differential Nonlinearity
0.8
0.6
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
0.4
Positive DNL
0.2
0.0
-0.2
Negative DNL
-0.4
-0.6
-0.8
-1.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VREF(V)
FIGURE 2-12:
Differential Nonlinearity
(DNL) vs. VREF (VDD = 2.7V).
DS21295D-page 8
© 2008 Microchip Technology Inc.
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