MCP3004/3008
Note: Unless otherwise indicated, VDD = VREF = 5V, fCLK = 18* fSAMPLE, TA = 25°C.
0.6
0.4
0.6
0.4
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
Positive INL
Negative INL
Positive INL
0.2
0.2
0.0
0.0
-0.2
-0.4
-0.6
-0.2
-0.4
-0.6
Negative INL
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
FIGURE 2-7: Integral Nonlinearity (INL) vs.
FIGURE 2-10: Integral Nonlinearity (INL) vs.
Temperature.
Temperature (VDD = 2.7V).
0.6
0.4
0.6
VDD = VREF = 2.7 V
0.4
0.2
0.2
Positive DNL
Positive DNL
0.0
0.0
Negative DNL
-0.2
Negative DNL
-0.2
-0.4
-0.6
-0.4
-0.6
0
25
50
75
100
0
25
50
75 100 125 150 175 200 225 250
Sample Rate (ksps)
Sample Rate (ksps)
FIGURE 2-8: Differential Nonlinearity (DNL)
FIGURE 2-11: Differential Nonlinearity (DNL)
vs. Sample Rate.
vs. Sample Rate (VDD = 2.7V).
1.0
0.8
0.6
0.8
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
0.6
0.4
Positive DNL
0.4
0.2
Positive DNL
Negative DNL
0.2
0.0
0.0
-0.2
-0.2
-0.4
-0.6
-0.8
-1.0
Negative DNL
-0.4
-0.6
-0.8
-1.0
0
1
2
3
4
5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VREF (V)
VREF(V)
FIGURE 2-9: Differential Nonlinearity (DNL)
vs. VREF
FIGURE 2-12: Differential Nonlinearity (DNL)
vs. VREF (VDD = 2.7V).
.
© 2007 Microchip Technology Inc.
DS21295C-page 7
MICROCHIP [ MICROCHIP ]
