參數(shù)資料
型號(hào): 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(zhuǎn)換器具有I2C⑩接口
文件頁數(shù): 7/27頁
文件大?。?/td> 520K
代理商: MCP3221
2003 Microchip Technology Inc.
DS21732B-page 7
MCP3221
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 2-13:
(Representative Part).
DNL vs. Code
FIGURE 2-14:
DNL vs. Temperature.
FIGURE 2-15:
Gain Error vs. V
DD
.
FIGURE 2-16:
(Representative Part, V
DD
= 2.7V).
DNL vs. Code
FIGURE 2-17:
(V
DD
= 2.7V).
DNL vs. Temperature
FIGURE 2-18:
Offset Error vs. V
DD
.
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
1024
2048
3072
4096
Digital Code
D
-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
Temperature (°C)
D
Negative DNL
Positive DNL
-1
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
2.5
3
3.5
4
4.5
5
5.5
V
DD
(V)
G
Fast Mode
(f
SCL
=100 kHz)
Standard Mode
(f
SCL
=400 kHz)
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
1024
2048
3072
4096
Digital Code
D
-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
Temperature (°C)
D
Positive DNL
Negative DNL
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2.5
3
3.5
4
4.5
5
5.5
V
DD
(V)
O
f
SCL
= 100 kHz & 400 kHz
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