Datasheet

MCP3302/04
DS21697F-page 8  2011 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD
= V
REF
= 5V, Full differential input configuration, V
SS
= 0V, F
SAMPLE
= 100 ksps,
F
CLK
= 21*F
SAMPLE
, T
A
= +25°C.
FIGURE 2-7: Differential Nonlinearity
(DNL) vs. Code (Representative Part).
FIGURE 2-8: Differential Nonlinearity
(DNL) vs. Temperature.
FIGURE 2-9: Positive Gain Error vs. V
REF
.
FIGURE 2-10: Offset Error vs. V
REF
.
FIGURE 2-11: Positive Gain Error vs.
Temperature.
FIGURE 2-12: Signal-to-Noise Ratio (SNR)
vs. Input Frequency.
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-4096 -3072 -2048 -1024 0 1024 2048 3072 4096
Code
DNL (LSB)
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-50 -25 0 25 50 75 100 125 150
Temperature (°C)
DNL (LSB)
Positive DNL
Negaitive DNL
-
1
0
1
2
3
4
itive Gain Error (LSB)
-3
-2
-
1
0123456
Pos
V
REF
(V)
6
8
10
12
14
16
18
20
2IIVHW(UURU/6%
0
2
4
6
0123456
V
REF
(V)
-0.8
-0.6
-0.4
-0.2
0
t
ive Gain Error (LSB)
-1.2
-1
-50 0 50 100 150
Posi
t
Temperature (°C)
30
40
50
60
70
80
90
100
SNR (db)
0
10
20
30
1 10 100
Input Frequency (kHz)