參數(shù)資料
型號: PIC16LF818T-I/SS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 10 MHz, RISC MICROCONTROLLER, PDSO20
封裝: 0.209 INCH, PLASTIC, MO-150, SSOP-20
文件頁數(shù): 50/176頁
文件大?。?/td> 3124K
代理商: PIC16LF818T-I/SS
2004 Microchip Technology Inc.
DS39598E-page 141
PIC16F818/819
TABLE 15-9:
A/D CONVERTER CHARACTERISTICS: PIC16F818/819 (INDUSTRIAL, EXTENDED)
PIC16LF818/819 (INDUSTRIAL)
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
A01
NR
Resolution
10-bits
bit
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A03
EIL
Integral Linearity Error
<±1
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A04
EDL
Differential Linearity Error
<±1
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A06
EOFF
Offset Error
<±2
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A07
EGN
Gain Error
<±1
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A10
Monotonicity
guaranteed(3)
——
VSS
≤ VAIN ≤ VREF
A20
VREF
Reference Voltage (VREF+ – VREF-)
2.0
VDD + 0.3
V
A21
VREF+ Reference Voltage High
AVDD – 2.5V
AVDD + 0.3V
V
A22
VREF- Reference Voltage Low
AVSS – 0.3V
VREF+ – 2.0V
V
A25
VAIN
Analog Input Voltage
VSS – 0.3V
VREF + 0.3V
V
A30
ZAIN
Recommended Impedance of
Analog Voltage Source
——
2.5
k
(Note 4)
A40
IAD
A/D Conversion
Current (VDD)
PIC16F818/819
220
A
Average current
consumption when A/D is on
(Note 1)
PIC16LF818/819
90
A
A50
IREF
VREF Input Current (Note 2)
5
150
A
During VAIN acquisition.
Based on differential of VHOLD
to VAIN to charge CHOLD,
During A/D conversion cycle
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.
3:
The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.
4:
Maximum allowed impedance for analog voltage source is 10 k
. This requires higher acquisition time.
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