Note: Unless otherwise indicated, VDD
參數(shù)資料
型號: MCP3221A7T-E/OT
廠商: Microchip Technology
文件頁數(shù): 26/28頁
文件大小: 0K
描述: ADC 12BIT I2C INTERFACE SOT23-5
標準包裝: 1
位數(shù): 12
采樣率(每秒): 22.3k
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: SC-74A,SOT-753
供應(yīng)商設(shè)備封裝: SOT-23-5
包裝: 標準包裝
輸入數(shù)目和類型: 1 個單端,單極
其它名稱: MCP3221A7T-E/OTDKR
2006 Microchip Technology Inc.
DS21732C-page 7
MCP3221
Note: Unless otherwise indicated, VDD = 5V, VSS = 0V, I2C Fast Mode Timing (SCL = 400 kHz), Continuous Conversion
Mode (fSAMP = 22.3 ksps), TA = +25°C.
FIGURE 2-13:
DNL vs. Code
(Representative Part).
FIGURE 2-14:
DNL vs. Temperature.
FIGURE 2-15:
Gain Error vs. VDD.
FIGURE 2-16:
DNL vs. Code
(Representative Part, VDD = 2.7V).
FIGURE 2-17:
DNL vs. Temperature
(VDD =2.7V).
FIGURE 2-18:
Offset Error vs. VDD.
-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
DNL
(LSB
)
-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)
DN
L
(
L
SB)
Negative DNL
Positive DNL
-1
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
2.533.544.5
5
5.5
VDD (V)
Ga
in
E
rro
r(L
S
B
)
Fast Mode
(fSCL= 100 kHz)
Standard Mode
(fSCL= 400 kHz)
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
1024204830724096
Digital Code
DN
L
(
L
SB
)
-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)
DN
L
(
L
SB)
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
VDD (V)
Offse
tE
rro
r(LS
B
)
fSCL = 100 kHz & 400 kHz
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