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  • 參數(shù)資料
    型號: AD7575JPZ
    廠商: Analog Devices Inc
    文件頁數(shù): 5/12頁
    文件大?。?/td> 0K
    描述: IC ADC 8BIT TRACK&HOLD 20-PLCC
    產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
    標準包裝: 49
    位數(shù): 8
    采樣率(每秒): 50k
    數(shù)據(jù)接口: 并聯(lián)
    轉(zhuǎn)換器數(shù)目: 1
    功率耗散(最大): 15mW
    電壓電源: 單電源
    工作溫度: 0°C ~ 70°C
    安裝類型: 表面貼裝
    封裝/外殼: 20-LCC(J 形引線)
    供應商設備封裝: 20-PLCC(9x9)
    包裝: 管件
    輸入數(shù)目和類型: 1 個單端,單極;1 個單端,雙極
    REV. B
    –2–
    AD7575–SPECIFICATIONS
    (VDD = +5 V, VREF = +1.23 V, AGND = DGND = 0 V; fCLK = 4 MHz external;
    all specifications TMIN to TMAX unless otherwise noted)
    Parameter
    J, A Versions
    1
    K, B Versions
    S Version
    T Version
    Units
    Conditions/Comments
    ACCURACY
    Resolution
    8
    Bits
    Total Unadjusted Error
    ±2
    ±1
    ±2
    ±1
    LSB max
    Relative Accuracy
    ±1
    ±1/2
    ±1
    ±1/2
    LSB max
    Minimum Resolution for Which
    No Missing Codes Is Guaranteed
    8
    Bits max
    Full-Scale Error
    +25
    °C
    ±1
    LSB max
    Full-Scale TC Is Typically 5 ppm/
    °C
    TMIN to TMAX
    ±1
    LSB max
    Offset Error
    2
    +25
    °C
    ±1/2
    LSB max
    Offset TC Is Typically 5 ppm/
    °C
    TMIN to TMAX
    ±1/2
    LSB max
    ANALOG INPUT
    Voltage Range
    0 to 2 VREF
    0 to 2 VREF 0 to 2 VREF
    Volts
    1 LSB = 2 VREF/256; See Figure 16
    DC Input Impedance
    10
    M
    min
    Slew Rate, Tracking
    0.386
    V/
    s max
    SNR
    3
    45
    dB min
    VIN = 2.46 V p-p @ 10 kHz; See Figure 11
    REFERENCE INPUT
    VREF (For Specified Performance)
    1.23
    Volts
    ±5%
    IREF
    500
    A max
    LOGIC INPUTS
    CS, RD
    VINL, Input Low Voltage
    0.8
    V max
    VINH, Input High Voltage
    2.4
    V min
    IIN, Input Current
    +25
    °C
    ±1
    A max
    VIN = 0 or VDD
    TMIN to TMAX
    ±10
    A max
    VIN = 0 or VDD
    CIN, Input Capacitance
    3
    10
    pF max
    CLK
    VlNL, Input Low Voltage
    0.8
    V max
    VINH, Input High Voltage
    2.4
    V min
    IINL, Input Low Current
    700
    800
    A max
    VINL = 0 V
    IINH, Input High Current
    700
    800
    A max
    VINH = VDD
    LOGIC OUTPUTS
    BUSY, DB0 to DB7
    VOL, Output Low Voltage
    0.4
    V max
    ISINK = 1.6 mA
    VOH, Output High Voltage
    4.0
    V min
    ISOURCE = 40 A
    DB0 to DB7
    Floating State Leakage Current
    ±1
    ±10
    A max
    VOUT = 0 to VDD
    Floating State Output Capacitance
    3
    10
    pF max
    CONVERSION TIME
    4
    With External Clock
    5
    sf
    CLK = 4 MHz
    With Internal Clock, TA = +25°C5
    5
    s min
    Using Recommended Clock
    15
    s max
    Components Shown in Figure 15
    POWER REQUIREMENTS
    5
    VDD
    +5
    Volts
    ±5% for Specified Performance
    IDD
    6
    7
    mA max
    Typically 3 mA with VDD = +5 V
    Power Dissipation
    15
    mW typ
    Power Supply Rejection
    ±1/4
    LSB max
    4.75 V
    ≤ V
    DD ≤ 5.25 V
    NOTES
    1Temperature ranges are as follows:
    J, K Versions; 0
    °C to +70°C
    A, B Versions; –25
    °C to +85°C
    S, T Versions; –55
    °C to +125°C
    2Offset error is measured with respect to an ideal first code transition that occurs at 1/2 LSB.
    3Sample tested at +25
    °C to ensure compliance.
    4Accuracy may degrade at conversion times other than those specified.
    5Power supply current is measured when AD7575 is inactive i.e., when CS = RD = BUSY = logic HIGH.
    Specifications subject to change without notice.
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