參數(shù)資料
型號: MCP3551
廠商: Microchip Technology Inc.
英文描述: Low-Power, Single-Channel 22-Bit Delta-Sigma ADCs
中文描述: 低功耗,單通道22位Δ-Σ模數(shù)轉(zhuǎn)換器
文件頁數(shù): 7/30頁
文件大?。?/td> 616K
代理商: MCP3551
2005 Microchip Technology Inc.
DS21950B-page 7
MCP3551/3
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 MCP3551/3 family.
FIGURE 2-7:
Voltage (V
DD
= 5.0V).
Output Noise vs. Input
u
FIGURE 2-8:
Output Noise vs. V
REF
.
FIGURE 2-9:
Output Noise vs.V
DD
.
FIGURE 2-10:
Temperature.
Output Noise vs.
FIGURE 2-11:
(V
CM
= 0V).
Offset Error vs V
DD
FIGURE 2-12:
Temperature (V
REF
= 5.0V).
Offset Error vs.
0
5
10
15
-2.5
-1.5
-0.5
0.5
1.5
2.5
V
IN
(V)
O
R
)
MCP3553
MCP3551
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
0.0
1.0
2.0
3.0
4.0
5.0
V
REF
(V)
O
R
)
MCP3551
MCP3553
0
1
2
3
4
5
6
7
8
9
10
2.5
3
3.5
4
4.5
5
5.5
V
DD
(V)
O
R
)
MCP3551
MCP3553
0
1
2
3
4
5
6
7
8
9
10
-50
-25
0
25
50
75
100
125
Temperature (°C)
O
R
)
MCP3551
MCP3553
0
1
2
3
4
5
2.5
3
3.5
4
4.5
5
5.5
V
DD
(V)
O
0
1
2
3
4
5
6
7
-50
-25
0
25
50
75
100
125
Temperature (°C)
O
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