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  • 參數(shù)資料
    型號(hào): TMS320C203PZA57
    元件分類: 數(shù)字信號(hào)處理
    英文描述: 16-Bit Digital Signal Processor
    中文描述: 16位數(shù)字信號(hào)處理器
    文件頁數(shù): 109/132頁
    文件大?。?/td> 1707K
    代理商: TMS320C203PZA57
    SPRS145G
    JULY 2000
    REVISED FEBRUARY 2002
    109
    POST OFFICE BOX 1443
    HOUSTON, TEXAS 77251
    1443
    10-bit analog-to-digital converter (ADC)
    The 10-bit ADC has a separate power bus for its analog circuitry. These pins are referred to as V
    CCA
    and V
    SSA
    .
    The power bus isolation is to enhance ADC performance by preventing digital switching noise of the logic
    circuitry that can be present on V
    SS
    and V
    CC
    from coupling into the ADC analog stage. All ADC specifications
    are given with respect to V
    SSA
    unless otherwise noted.
    Resolution
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
    Monotonic
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
    Output conversion mode
    000h to 3FFh (000h for V
    I
    V
    REFLO
    ; 3FFh for V
    I
    V
    REFHI
    )
    . . . . . . . . . . . . . . . . . . .
    Minimum conversion time (including sample time)
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
    10-bit (1024 values)
    Assured
    375 ns
    recommended operating conditions
    MIN
    NOM
    MAX
    UNIT
    VCCA
    VSSA
    VREFHI
    VREFLO
    VAI
    VREFHI and VREFLO must be stable, within
    ±
    1/2 LSB of the required resolution, during the entire conversion time.
    Analog supply voltage
    3.0
    3.3
    3.6
    V
    Analog ground
    Analog supply reference source
    Analog ground reference source
    0
    V
    VREFLO
    VSSA
    VREFLO
    VCCA
    VREFHI
    VREFHI
    V
    V
    Analog input voltage, ADCIN00
    ADCIN07
    V
    ADC operating frequency (LF240xA)
    MIN
    MAX
    30
    UNIT
    MHz
    ADC operating frequency
    4
    ADC operating frequency (LC240xA)
    MIN
    MAX
    40
    UNIT
    MHz
    ADC operating frequency
    4
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