Note: Unless otherwise indicated, VDD
參數(shù)資料
型號: MCP3021A7T-E/OT
廠商: Microchip Technology
文件頁數(shù): 26/26頁
文件大?。?/td> 0K
描述: ADC 10BIT I2C INTERFACE SOT23-5
標準包裝: 1
位數(shù): 10
采樣率(每秒): 22.3k
數(shù)據(jù)接口: I²C,串行
轉換器數(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
供應商設備封裝: 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: MCP3021A7T-E/OTDKR
2003 Microchip Technology Inc.
DS21805A-page 9
MCP3021
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
2.5
3
3.5
4
4.5
5
5.5
VDD (V)
ENOB
(rms)
10
9.95
9.90
9.85
9.80
9.75
9.70
9.65
9.60
9.55
9.50
12
24
36
48
60
72
84
96
110
Input Frequency (kHz)
SFDR
(dB)
VDD = 2.7V
VDD = 5 V
84
72
60
48
36
24
12
0
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
2000
4000
6000
8000
10000
Frequency (Hz)
Amplitude
(dB)
9
9.5
10
10.5
11
11.5
12
110
Input Frequency (kHz)
ENOB
(rms)
VDD = 2.7V
VDD = 5V
10
9.5
9.0
8.5
8.0
7.7
7.0
-130
-110
-90
-70
-50
-30
-10
10
0
500
1000
1500
2000
2500
Frequency (Hz)
Amplitude
(dB)
0
50
100
150
200
250
2.5
3
3.5
4
4.5
5
5.5
VDD (V)
I DD
(A)
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