MCP3550/1/3
Note:
Unless otherwise specified, T
A
= +25°C, V
DD
= 5V, V
REF
= 2.5V, V
SS
= 0V, V
CM
= V
REF
/2, V
IN
+ = V
IN
-.
All ppm units use 2*V
REF
as full scale range. Unless otherwise noted, graphs apply to entire MCP3550/1/3 family.
15
Output Noise (µV
RMS
)
Output Noise (µV
RMS
)
10
9
8
7
6
5
4
3
2
1
0
-50
-25
0
10
MCP3553
MCP3553
5
MCP3550/1
MCP3550/1
0
-2.5
-1.5
-0.5
0.5
1.5
2.5
V
IN
(V)
25
50
75
Temperature (°C)
100
125
FIGURE 2-7:
Output Noise vs. Input
Voltage (V
DD
= 5.0V).
u
FIGURE 2-10:
Temperature.
5
4
Output Noise vs.
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0.0
1.0
Output Noise (µV
RMS
)
MCP3553
Offset (µV)
5.0
3
2
1
0
MCP3550/1
2.0
3.0
4.0
2.5
3
3.5
4
V
DD
(V)
4.5
5
5.5
V
REF
(V)
FIGURE 2-8:
Output Noise vs. V
REF
.
FIGURE 2-11:
(V
CM
= 0V).
7
6
Offset Error vs V
DD
10
9
8
7
6
5
4
3
2
1
0
2.5
3
3.5
Output Noise (µV
RMS
)
MCP3553
Offset (µV)
5
4
3
2
1
0
-50
-25
0
25
50
75
100
125
MCP3550/1
4
V
DD
(V)
4.5
5
5.5
Temperature (°C)
FIGURE 2-9:
Output Noise vs.V
DD
.
FIGURE 2-12:
Offset Error vs.
Temperature (V
REF
= 5.0V).
DS21950E-page 8
©
2009 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
