參數(shù)資料
型號(hào): MCV18ET-I/SO
元件分類: 微控制器/微處理器
英文描述: FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO18
封裝: 7.50 MM, LEAD FREE, SOIC-18
文件頁(yè)數(shù): 101/108頁(yè)
文件大?。?/td> 1509K
代理商: MCV18ET-I/SO
MCV18E
DS41399A-page 92
2009 Microchip Technology Inc.
TABLE 10-7:
A/D CONVERTER CHARACTERISTICS: MCV18E (INDUSTRIAL)
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
A00
VDD
VDD Operation
2.4
5.5
V
A01
NR
Resolution
8-bits
bit
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A03
EIL
Integral linearity error
< ± 1.5
LSb VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A04
EDL
Differential linearity error
-1.0
1.7
LSb VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A05
EFS
Full scale error
< ± 1.5
LSb VREF = VDD= 5.12V,
VSS
≤ VAIN ≤ VREF
A06
EOFF Offset error
< ± 1.5
LSb VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A20
VREF Reference voltage
2.5V
VDD + 0.3
V
A25
VAIN
Analog input voltage
VSS -
0.3
—VREF +
0.3
V
A30
ZAIN Recommended impedance of
analog voltage source
——
10.0
k
Ω
A40
IAD
A/D conversion
current (VDD)
Standard
180
μA Average current
consumption when
A/D is on.(1)
A50
IREF
VREF input current(2)
10
1000
10
μA
During VAIN
acquisition.
Based on differential
of VHOLD to VAIN to
charge CHOLD, see
During A/D
Conversion cycle
*
These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25
°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1:
When A/D is off, it will not consume any current other than minor leakage current.
The power-down current spec includes any such leakage from the A/D module.
2:
VREF current is from RA3 pin or VDD pin, whichever is selected as reference input.
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