Unless otherwise indicated, VDD
參數(shù)資料
型號: MCP3201-BI/SN
廠商: Microchip Technology
文件頁數(shù): 3/40頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 2.7V 1CH SPI 8-SOIC
標(biāo)準(zhǔn)包裝: 100
位數(shù): 12
采樣率(每秒): 100k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOICN
包裝: 管件
輸入數(shù)目和類型: 1 個單端,單極
產(chǎn)品目錄頁面: 672 (CN2011-ZH PDF)
1998-2011 Microchip Technology Inc.
DS21290F-page 11
MCP3201
Note:
Unless otherwise indicated, VDD = VREF = 5V, VSS = 0V, fSAMPLE = 100 ksps, fCLK = 16*fSAMPLE, TA = +25°C.
FIGURE 2-25:
Effective Number of Bits
(ENOB) vs. VREF.
FIGURE 2-26:
Spurious Free Dynamic
Range (SFDR) vs. Input Frequency.
FIGURE 2-27:
Frequency Spectrum of
10 kHz input (Representative Part).
FIGURE 2-28:
Effective Number of Bits
(ENOB) vs. Input Frequency.
FIGURE 2-29:
Power Supply Rejection
(PSR) vs. Ripple Frequency.
FIGURE 2-30:
Frequency Spectrum of
1 kHz input (Representative Part, VDD = 2.7V).
9.00
9.25
9.50
9.75
10.00
10.25
10.50
10.75
11.00
11.25
11.50
11.75
12.00
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
VREF (V)
EN
O
B
(rm
s
)
VDD = VREF = 2.7V
FSAMPLE = 50 ksps
VDD = VREF = 5V
FSAMPLE =100 ksps
0
10
20
30
40
50
60
70
80
90
100
110
100
Input Frequency (kHz)
S
F
DR
(
d
B
)
VDD = VREF = 2.7V
FSAMPLE = 50 ksps
VDD = VREF = 5V, FSAMPLE = 100 ksps
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10000
20000
30000
40000
50000
Frequency (Hz)
Amp
li
tu
d
e
(
d
B)
VDD = VREF = 5V
FSAMPLE = 100 ksps
FINPUT = 9.985kHz
4096 points
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
1
10
100
Input Frequency (kHz)
EN
OB
(r
ms)
VDD = 2.7V
FSAMPLE = 50 ksps
VDD = 5V
FSAMPLE = 100 ksps
-80
-70
-60
-50
-40
-30
-20
-10
0
1
10
100
1000
10000
Ripple Frequency (kHz)
P
o
w
e
r
S
u
p
ly
R
e
ject
io
n
(
d
B
)
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
5000
10000
15000
20000
25000
Frequency (Hz)
Amp
li
tu
d
e
(
d
B)
VDD = VREF = 2.7V
FSAMPLE = 50 ksps
FINPUT = 998.76 Hz
4096 points
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