MCP4902/4912/4922
Note:
Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V, V
REF
= 2.048V, Gain = 2x, R
L
= 5 k, C
L
= 100 pF.
2.5
Absolute INL (LSB)
2
1.5
1
0.5
0
-40
-20
0
20
40
60
80
100
120
INL (LSB)
2
0
-2
-4
-6
0
1024
2048
Code (Decimal)
3072
4096
Ambient Temperature (ºC)
FIGURE 2-7:
Absolute INL vs.
Temperature (MCP4922).
FIGURE 2-10:
Note:
INL vs. Code (MCP4922).
Single device graph (Figure
for
illustration of 64 code effect.
3
0.2
Absolute INL (LSB)
2.5
2
1.5
1
0.5
0
DNL (LSB)
0.1
Temp = - 40
o
C to +125
o
C
0
-0.1
1
2
3
4
5
-0.2
0
128
256
384
512 640
Code
768
896 1024
Voltage Reference (V)
FIGURE 2-8:
(MCP4922).
3
2
1
INL (LSB)
Absolute INL vs. V
REF
FIGURE 2-11:
DNL vs. Code and
Temperature (MCP4912).
V
REF
1
2
3
4
5.5
1.5
0.5
INL (LSB)
-0.5
-1.5
-2.5
- 40 C
o
85 C
o
0
-1
-2
-3
-4
0
1024
2048
3072
Code (Decimal)
4096
25 C
o
125 C
o
-3.5
0
128
256
384
512 640
Code
768
896 1024
FIGURE 2-9:
(MCP4922).
INL vs. Code and V
REF
FIGURE 2-12:
INL vs. Code and
Temperature (MCP4912).
DS22250A-page 10
2010 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
