參數(shù)資料
型號: MCP3221T
廠商: Microchip Technology Inc.
英文描述: 560KBITS BRAM 400000 SYSTEM GATES 404 - - 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): 6/27頁
文件大小: 520K
代理商: MCP3221T
MCP3221
DS21732B-page 6
2003 Microchip Technology Inc.
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 2-7:
INL vs. Temperature.
FIGURE 2-8:
DNL vs. Clock Rate.
FIGURE 2-9:
Standard Mode (f
SCL
= 100 kHz).
DNL vs. V
DD
- I
2
C
FIGURE 2-10:
(V
DD
= 2.7V).
INL vs. Temperature
FIGURE 2-11:
(V
DD
= 2.7V).
DNL vs. Clock Rate
FIGURE 2-12:
Mode (f
SCL
= 400 kHz).
DNL vs. V
DD
- I
2
C Fast
-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)
I
Positive INL
Negative INL
-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)
D
Positive DNL
Negative DNL
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
2.5
3.5
4.5
5.5
V
DD
(V)
D
Positive DNL
Negative DNL
-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)
I
Negative INL
Positive INL
-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)
D
Negative DNL
Positive DNL
-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)
D
Positive DNL
Negative DNL
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