参数资料
型号: MCP3001-I/P
厂商: Microchip Technology
文件页数: 6/28页
文件大小: 0K
描述: IC ADC 10BIT 2.7V 1CH SPI 8-DIP
标准包装: 60
位数: 10
采样率(每秒): 200k
数据接口: 串行,SPI?
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
输入数目和类型: 1 个伪差分,单极
产品目录页面: 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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