參數(shù)資料
型號: MCP3001-I/SN
廠商: Microchip Technology
文件頁數(shù): 6/28頁
文件大?。?/td> 0K
描述: IC ADC 10BIT 2.7V 1CH SPI 8-SOIC
標(biāo)準(zhǔn)包裝: 100
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-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(gè)偽差分,單極
產(chǎn)品目錄頁面: 672 (CN2011-ZH PDF)
MCP3001
DS21293C-page 14
2007 Microchip Technology Inc.
FIGURE 4-1:
Analog Input Model.
FIGURE 4-2:
Maximum Clock Frequency vs. Input
Resistance (RS) to maintain less than a 0.1LSB
deviation in INL from nominal conditions.
C
PIN
VA
RSS CHx
7pF
V
T = 0.6V
V
T = 0.6V
I
LEAKAGE
Sampling
Switch
SS
R
S = 1 kΩ
C
SAMPLE
= DAC capacitance
V
SS
V
DD
= 20 pF
±1 nA
Legend
VA
=
signal source
R
SS
=
source impedance
CHx
=
input channel pad
C
PIN
=
input pin capacitance
V
T
=
threshold voltage
I
LEAKAGE
=
leakage current at the pin
due to various junctions
SS
=
sampling switch
R
S
=
sampling switch resistor
C
SAMPLE
=
sample/hold capacitance
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
100
1000
10000
Input Resistance (Ohms)
C
loc
k
Fre
que
nc
y
(
M
H
z
)
VDD = VREF = 5V
fSAMPLE = 200 ksps
VDD = VREF = 2.7V
fSAMPLE = 75 ksps
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