Note: Unless otherwise indicated, VDD
參數(shù)資料
型號(hào): MCP3221A7T-E/OT
廠商: Microchip Technology
文件頁(yè)數(shù): 28/28頁(yè)
文件大?。?/td> 0K
描述: ADC 12BIT I2C INTERFACE SOT23-5
標(biāo)準(zhǔn)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(lèi)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(biāo)準(zhǔn)包裝
輸入數(shù)目和類(lèi)型: 1 個(gè)單端,單極
其它名稱: MCP3221A7T-E/OTDKR
2006 Microchip Technology Inc.
DS21732C-page 9
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 2-25:
ENOB vs. VDD.
FIGURE 2-26:
SFDR vs. Input Frequency.
FIGURE 2-27:
Spectrum Using I2C Fast
Mode (Representative Part, 1 kHz Input
Frequency).
FIGURE 2-28:
ENOB vs. Input Frequency.
FIGURE 2-29:
Spectrum Using I2C
Standard Mode (Representative Part, 1 kHz
Input Frequency).
FIGURE 2-30:
IDD (Conversion) vs. VDD.
11.5
11.55
11.6
11.65
11.7
11.75
11.8
11.85
11.9
11.95
12
2.533.5
4
4.5
55.5
VDD (V)
EN
OB
(
rms
)
0
10
20
30
40
50
60
70
80
90
100
110
Input Frequency (kHz)
SF
D
R
(dB)
VDD = 2.7V
VDD = 5V
-130
-110
-90
-70
-50
-30
-10
10
0
2000
4000
6000
8000
10000
Frequency (Hz)
Am
p
lit
u
d
e(
d
B
)
9
9.5
10
10.5
11
11.5
12
110
Input Frequency (kHz)
EN
OB
(rm
s)
VDD = 2.7V
VDD = 5V
-130
-110
-90
-70
-50
-30
-10
10
0
500
1000
1500
2000
2500
Frequency (Hz)
Amplitude
(dB)
fSAMP = 5.6 ksps
0
50
100
150
200
250
2.5
3
3.544.5
55.5
VDD (V)
I DD
(A
)
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