参数资料
型号: MCV18E-I/P
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDIP18
封装: 0.300 INCH, LEAD FREE, PLASTIC, DIP-18
文件页数: 52/108页
文件大小: 1509K
代理商: MCV18E-I/P
MCV18E
DS41399A-page 48
2009 Microchip Technology Inc.
FIGURE 7-2:
ANALOG INPUT MODEL
FIGURE 7-3:
ADC TRANSFER FUNCTION
CPIN
VA
Rs
ANx
5 pF
VDD
VT = 0.6V
ILEAKAGE(1)
RIC
≤ 1k
Sampling
Switch
SS
Rss
CHOLD = 10 pF
VSS
6V
Sampling Switch
5V
4V
3V
2V
567 8 9 10 11
(k
Ω)
VDD
Legend: CPIN
VT
I LEAKAGE
RIC
SS
CHOLD
= Input Capacitance
= Threshold Voltage
= Leakage current at the pin due to
= Interconnect Resistance
= Sampling Switch
= Sample/Hold Capacitance
various junctions
RSS
Note 1:
FFh
FEh
A
DC
O
u
tput
Code
FDh
FCh
04h
03h
02h
01h
00h
Full-Scale
FBh
1 LSB ideal
VSS
Zero-Scale
Transition
VDD/VREF+
Transition
1 LSB ideal
Full-Scale Range
Analog Input Voltage
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