MCP3002 查看數據表（PDF） - Microchip Technology
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MCP3002 Datasheet PDF : 34 Pages
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MCP3002
2.0 TYPICAL PERFORMANCE CHARACTERISTICS
Note:
The graphs provided following this note are a statistical summary based on a limited number of samples
and are provided for informational purposes only. The performance characteristics listed herein are not
tested or guaranteed. In some graphs, the data presented may be outside the specified operating range
(e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated, VDD = 5V, fSAMPLE = 200 ksps, fCLK = 16* fSAMPLE, TA = +25°C.
0.6
0.4
0.2
Positive INL
0.0
-0.2
Negative INL
-0.4
-0.6
0
25 50 75 100 125 150 175 200 225 250
Sample Rate (ksps)
FIGURE 2-1:
Integral Nonlinearity (INL)
vs. Sample Rate.
0.6
VDD = 2.7V
0.4
0.2
Positive INL
0.0
-0.2
Negative INL
-0.4
-0.6
0
25
50
75
100
Sample Rate (ksps)
FIGURE 2-4:
Integral Nonlinearity (INL)
vs. Sample Rate (VDD = 2.7V).
1.0
0.8 VDD = 5V
0.6
fSAMPLE = 200 ksps
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0 128 256 384 512 640 768 896 1024
Digital Code
FIGURE 2-2:
vs. Code.
Integral Nonlinearity (INL)
1.0
0.8 VDD = 2.7V
fSAMPLE = 75 ksps
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0 128 256 384 512 640 768 896 1024
Digital Code
FIGURE 2-5:
Integral Nonlinearity (INL)
vs. Code (VDD = 2.7V).
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-50 -25
FIGURE 2-3:
vs. Temperature.
Positive INL
Negative INL
0
25
50
Temperature (°C)
75 100
Integral Nonlinearity (INL)
0.5
0.4 VDD = 2.7V
0.3 fSAMPLE = 75 ksps
0.2
Positive INL
0.1
0.0
-0.1
-0.2
-0.3
Negative INL
-0.4
-0.5
-50 -25
0
25
50
Temperature (°C)
75 100
FIGURE 2-6:
Integral Nonlinearity (INL)
vs. Temperature (VDD = 2.7V).
© 2008 Microchip Technology Inc.
DS21294D-page 7
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