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    參數(shù)資料
    型號: PIC18F2420-E/ML
    廠商: Microchip Technology
    文件頁數(shù): 119/151頁
    文件大?。?/td> 0K
    描述: IC PIC MCU FLASH 8KX16 28QFN
    產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
    PIC18 J Series MCU Overview
    標(biāo)準(zhǔn)包裝: 61
    系列: PIC® 18F
    核心處理器: PIC
    芯體尺寸: 8-位
    速度: 25MHz
    連通性: I²C,SPI,UART/USART
    外圍設(shè)備: 欠壓檢測/復(fù)位,HLVD,POR,PWM,WDT
    輸入/輸出數(shù): 25
    程序存儲器容量: 16KB(8K x 16)
    程序存儲器類型: 閃存
    EEPROM 大?。?/td> 256 x 8
    RAM 容量: 768 x 8
    電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
    數(shù)據(jù)轉(zhuǎn)換器: A/D 10x10b
    振蕩器型: 內(nèi)部
    工作溫度: -40°C ~ 125°C
    封裝/外殼: 28-VQFN 裸露焊盤
    包裝: 管件
    PIC16(L)F1782/3
    DS41579C-page 386
    Preliminary
    2011-2012 Microchip Technology Inc.
    TABLE 30-8:
    PIC16(L)F1782/3 A/D CONVERTER (ADC) 12-BIT DIFFERENTIAL CHARACTERISTICS:
    TABLE 30-9:
    PIC16(L)F1782/3 A/D CONVERSION REQUIREMENTS
    Operating Conditions
    VDD = 3V, Temp. = 25°C, Single-ended 2
    s TAD, VREF+ = 3V, VREF- = VSS
    Param
    No.
    Sym.
    Characteristic
    Min.
    Typ
    Max. Units
    Conditions
    AD01
    NR
    Resolution
    10
    bit
    AD02
    EIL
    Integral Error
    ±1
    ±1.6
    LSb
    AD03
    EDL
    Differential Error
    ±1
    ±1.4
    LSb No missing codes
    AD04
    EOFF Offset Error
    ±1
    ±2
    LSb
    AD05
    EGN
    Gain Error
    ±1
    ±2
    LSb
    AD06
    VREF Reference Voltage(3)
    1.8
    VDD
    VVREF = (VREF+ minus VREF-) (Note 5)
    AD07
    VAIN
    Full-Scale Range
    VREF
    V
    AD08
    ZAIN
    Recommended Impedance of
    Analog Voltage Source
    ——
    10
    k
    Can go higher if external 0.01F capacitor is
    present on input pin.
    AD09
    NR
    Resolution
    12
    bit
    AD10
    EIL
    Integral Error
    ±2
    LSb
    AD11
    EDL
    Differential Error
    ±2
    LSb
    AD12
    EOFF Offset Error
    ±1
    LSb
    AD13
    EGN
    Gain Error
    ±1
    LSb
    AD14
    VREF Reference Voltage(3)
    1.8
    VDD
    VVREF = (VREF+ minus VREF-) (Note 5)
    AD15
    VAIN
    Full-Scale Range
    VREF
    V
    AD16
    ZAIN
    Recommended Impedance of
    Analog Voltage Source
    ——
    10
    k
    Can go higher if external 0.01F capacitor is
    present on input pin.
    *
    These parameters are characterized but not tested.
    Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
    tested.
    Note 1: Total Absolute Error includes integral, differential, offset and gain errors.
    2: The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.
    3: ADC VREF is from external VREF, VDD pin or FVR, whichever is selected as reference input.
    4: When ADC is off, it will not consume any current other than leakage current. The power-down current specification
    includes any such leakage from the ADC module.
    5: FVR voltage selected must be 2.048V or 4.096V.
    Standard Operating Conditions (unless otherwise stated)
    Operating temperature
    -40°C
    TA +125°C
    Param
    No.
    Sym.
    Characteristic
    Min.
    Typ
    Max.
    Units
    Conditions
    AD130* TAD
    A/D Clock Period
    1.0
    9.0
    sTOSC-based
    A/D Internal RC Oscillator
    Period
    1.0
    1.6
    6.0
    s
    ADCS<1:0> = 11 (ADRC mode)
    AD131
    TCNV
    Conversion Time (not including
    Acquisition Time)(1)
    —15—
    TAD
    Set GO/DONE bit to conversion
    complete
    AD132* TACQ
    Acquisition Time
    5.0
    s
    *
    These parameters are characterized but not tested.
    Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
    tested.
    Note 1: The ADRES register may be read on the following TCY cycle.
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