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參數資料
| 型號： | MCP3221 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 560KBITS BRAM 400000 SYSTEM GATES 404 I/ - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | 低功耗12位A / D轉換器具有I2C⑩接口 |
| 文件頁數： | 5/27頁 |
| 文件大?。?/td> | 520K |
| 代理商： | MCP3221 |
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2003 Microchip Technology Inc.
DS21732B-page 5
MCP3221
2.0
TYPICAL PERFORMANCE CURVES
Note:
Unless otherwise indicated, V
DD
= 5V, V
SS
= 0V, I
2
C Fast Mode Timing (SCL = 400 kHz), Continuous Conversion
Mode (f
SAMP
= 22.3 ksps), T
A
= +25°C.
FIGURE 2-1:
INL vs. Clock Rate.
FIGURE 2-2:
Standard Mode (f
SCL
= 100 kHz).
INL vs. V
DD
- I
2
C
FIGURE 2-3:
(Representative Part).
INL vs. Code
FIGURE 2-4:
(V
DD
= 2.7V).
INL vs. Clock Rate
FIGURE 2-5:
Mode (f
SCL
= 400 kHz).
INL vs. V
DD
- I
2
C Fast
FIGURE 2-6:
(Representative Part, V
DD
= 2.7V).
INL vs. Code
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
100
200
300
400
I
2
C Bus Rate (kHz)
I
Positive INL
Negative INL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.5
3
3.5
4
4.5
5
5.5
V
DD
(V)
I
Positive INL
Negative INL
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
0
1024
2048
3072
4096
Digital Code
I
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
100
200
300
400
I
2
C Bus Rate (kHz)
I
Positive INL
Negative INL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.5
3
3.5
4
4.5
5
5.5
V
DD
(V)
I
Positive INL
Negative INL
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
0
1024
2048
3072
4096
Digital Code
I
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