DD = V
參數(shù)資料
型號(hào): MCP3001T-I/ST
廠商: Microchip Technology
文件頁數(shù): 2/28頁
文件大?。?/td> 0K
描述: IC ADC 10BIT 2.7V 1CH SPI 8TSSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 10
采樣率(每秒): 200k
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-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 8-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)偽差分,單極
MCP3001
DS21293C-page 10
2007 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD = VREF = 5V, fSAMPLE = 200 ksps, fCLK = 14*Sample Rate,TA = 25°C
FIGURE 2-25: Effective Number of Bits (ENOB) vs.
V
REF.
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, V
DD = 2.7V).
9.0
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10.0
0.0
1.0
2.0
3.0
4.0
5.0
VREF (V)
ENO
B
(r
ms
)
VDD = VREF = 2.7V
fSAMPLE = 75 ksps
VDD = VREF = 5V
fSAMPLE = 200 ksps
0
10
20
30
40
50
60
70
80
90
100
110
100
Input Frequency (kHz)
SF
DR
(d
B)
VDD = VREF = 5V
fSAMPLE = 200 ksps
VDD = VREF = 2.7V
fSAMPLE = 75 ksps
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20000
40000
60000
80000
100000
Frequency (Hz)
Am
plit
ude
(
d
B)
VDD = VREF = 5V
fSAMPLE = 200 ksps
fINPUT = 10.0097 kHz
4096 points
8.0
8.2
8.4
8.6
8.8
9.0
9.2
9.4
9.6
9.8
10.0
1
10
100
Input Frequency (kHz)
ENOB
(rm
s
)
VDD = VREF = 2.7V
fSAMPLE = 75 ksps
VDD = VREF = 5V
fSAMPLE = 200 ksps
-80
-70
-60
-50
-40
-30
-20
-10
0
1
10
100
1000
10000
Ripple Frequency (kHz)
P
o
we
rS
uppl
y
Re
je
c
ti
on
(dB)
VDD = VREF = 5V
fSAMPLE = 200 ksps
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
5000
10000 15000 20000 25000 30000 35000
Frequency (Hz)
Am
plit
ude
(
d
B)
VDD = VREF = 2.7V
fSAMPLE = 75 ksps
fINPUT = 1.00708 kHz
4096 points
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