Datasheet

MCP3004/3008
DS21295D-page 8 © 2008 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD
= V
REF
= 5V, f
CLK
= 18* f
SAMPLE
, T
A
= +25°C.
FIGURE 2-7: Integral Nonlinearity (INL)
vs. Temperature.
FIGURE 2-8: Differential Nonlinearity
(DNL) vs. Sample Rate.
FIGURE 2-9: Differential Nonlinearity
(DNL) vs. V
REF
.
FIGURE 2-10: Integral Nonlinearity (INL)
vs. Temperature (V
DD
= 2.7V).
FIGURE 2-11: Differential Nonlinearity
(DNL) vs. Sample Rate (V
DD
= 2.7V).
FIGURE 2-12: Differential Nonlinearity
(DNL) vs. V
REF
(V
DD
= 2.7V).
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
-50 -25 0 25 50 75 100
Temperature (°C)
INL (LSB)
Positive INL
Negative INL
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0 25 50 75 100 125 150 175 200 225 250
Sample Rate (ksps)
DNL (LSB)
Positive DNL
Negative DNL
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
012345
V
REF
(V)
DNL (LSB)
Negative DNL
Positive DNL
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
-50 -25 0 25 50 75 100
Temperature (°C)
INL (LSB)
Positive INL
V
DD
= V
REF
= 2.7 V
f
SAMPLE
= 75 ksps
Negative INL
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0255075100
Sample Rate (ksps)
DNL (LSB)
Positive DNL
Negative DNL
V
DD
= V
REF
= 2.7 V
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
0.0 0.5 1.0 1.5 2.0 2.5 3.0
V
REF
(V)
DNL (LSB)
Positive DNL
Negative DNL
V
DD
= V
REF
= 2.7 V
f
SAMPLE
= 75 ksps