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    參數(shù)資料
    型號: AD7893BNZ-10
    廠商: Analog Devices Inc
    文件頁數(shù): 5/12頁
    文件大?。?/td> 0K
    描述: IC ADC 12BIT SRL T/H LP 8DIP
    標準包裝: 1
    位數(shù): 12
    采樣率(每秒): 117k
    數(shù)據(jù)接口: 串行
    轉(zhuǎn)換器數(shù)目: 1
    功率耗散(最大): 45mW
    電壓電源: 單電源
    工作溫度: -40°C ~ 85°C
    安裝類型: 通孔
    封裝/外殼: 8-DIP(0.300",7.62mm)
    供應商設備封裝: 8-PDIP
    包裝: 管件
    輸入數(shù)目和類型: 1 個單端,雙極
    AD7893–SPECIFICATIONS
    AB
    S
    Parameter
    Versions
    l
    Versions
    Version
    Units
    Test Conditions/Comments
    DYNAMIC PERFORMANCE
    Signal to (Noise + Distortion) Ratio
    2
    @ +25
    °C
    70
    dB min
    fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
    Total Harmonic Distortion (THD)
    2
    –80
    dB max
    fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
    Peak Harmonic or Spurious Noise
    2
    –80
    dB max
    fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
    Intermodulation Distortion (IMD)
    2
    fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 117 kHz
    2nd Order Terms
    –80
    dB max
    3rd Order Terms
    –80
    dB max
    DC ACCURACY
    Resolution
    12
    Bits
    Minimum Resolution for which
    No Missing Codes are Guaranteed
    12
    Bits
    Relative Accuracy
    2
    ±1
    ±1/2
    ±1
    LSB max
    Differential Nonlinearity
    2
    ±1
    LSB max
    Positive Full-Scale Error
    2
    ±3
    ±1.5
    ±3
    LSB max
    AD7893-2, AD7893-5
    Unipolar Offset Error
    ±4
    ±3
    ±4
    LSB max
    AD7893-10, AD7893-3
    Negative Full-Scale Error
    2
    ±3
    ±1.5
    ±3
    LSB max
    Bipolar Zero Error
    ±4
    ±2
    ±4
    LSB max
    ANALOG INPUT
    AD7893-10
    Input Voltage Range
    ±10
    Volts
    Input Resistance
    16
    k
    min
    AD7893-3
    Input Voltage Range
    ±2.5
    Volts
    Input Resistance
    4
    k
    min
    AD7893-5
    Input Voltage Range
    0 to +5
    Volts
    Input Resistance
    9
    k
    min
    AD7893-2
    Input Voltage Range
    0 to +2.5
    Volts
    Input Current
    500
    nA max
    REFERENCE INPUT
    REF IN Input Voltage Range
    2.375/2.625
    V min/V max 2.5 V
    ± 5%
    Input Current
    2
    10
    A max
    Input Capacitance
    3
    10
    pF max
    LOGIC INPUTS
    Input High Voltage, VINH
    2.4
    V min
    VDD = 5 V ± 5%
    Input Low Voltage, VINL
    0.8
    V max
    VDD = 5 V ± 5%
    Input Current, IIN
    ±10
    A max
    VIN = 0 V to VDD
    Input Capacitance, CIN
    3
    10
    pF max
    LOGIC OUTPUTS
    Output High Voltage, VOH
    4.0
    V min
    ISOURCE = 200 A
    Output Low Voltage, VOL
    0.4
    V max
    ISINK = 1.6 mA
    Output Coding
    AD7893-10, AD7893-3
    2s Complement
    AD7893-2, AD7893-5
    Straight (Natural) Binary
    CONVERSION RATE
    Conversion Time
    6
    s max
    Track/Hold Acquisition Time
    2
    1.5
    s max
    POWER REQUIREMENTS
    VDD
    +5
    V nom
    ±5% for Specified Performance
    IDD
    9
    mA max
    Power Dissipation
    45
    mW max
    Typically 25 mW
    NOTES
    1Temperature Ranges are as follows: A, B Versions: –40
    °C to +85°C, S Version: –55°C to +125°C.
    2See Terminology.
    3Sample tested @ +25
    °C to ensure compliance.
    Specifications subject to change without notice.
    REV. E
    –2–
    (VDD = +5 V, AGND = DGND = 0 V, REF IN = +2.5 V. All specifications TMIN to TMAX unless
    otherwise noted.)
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