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    參數(shù)資料
    型號: LM4040CEM3-2.5
    廠商: NATIONAL SEMICONDUCTOR CORP
    元件分類: 基準(zhǔn)電壓源/電流源
    英文描述: Precision Micropower Shunt Voltage Reference
    中文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO3
    封裝: PLASTIC, TO-236AB, SOT-23, 3 PIN
    文件頁數(shù): 13/39頁
    文件大?。?/td> 482K
    代理商: LM4040CEM3-2.5
    www.ti.com
    LM4040x25Q Electrical Characteristics
    at extended temperature range, full-range T
    A
    = –40
    °
    C to 125
    °
    C (unless otherwise noted)
    V
    Z
    I
    Z
    LM4040
    PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
    SLOS456I–JANUARY 2005–REVISED DECEMBER 2005
    LM4040C25Q
    MIN
    LM4040D25Q
    MIN
    PARAMETER
    TEST CONDITIONS
    T
    A
    UNIT
    TYP
    2.5
    MAX
    TYP
    2.5
    MAX
    V
    Z
    Reverse breakdown voltage
    I
    Z
    = 100
    μ
    A
    25
    °
    C
    25
    °
    C
    V
    –12
    –38
    12
    38
    75
    80
    –25
    –63
    25
    63
    75
    80
    Reverse breakdown voltage
    tolerance
    V
    Z
    I
    Z
    = 100
    μ
    A
    mV
    Full range
    25
    °
    C
    Full range
    25
    °
    C
    25
    °
    C
    Full range
    25
    °
    C
    25
    °
    C
    Full range
    25
    °
    C
    Full range
    45
    45
    I
    Z,min
    Minimum cathode current
    μ
    A
    I
    Z
    = 10 mA
    ±
    20
    ±
    15
    ±
    20
    ±
    15
    Average temperature coefficient
    of reverse breakdown voltage
    α
    VZ
    I
    Z
    = 1 mA
    ppm/
    °
    C
    ±
    100
    ±
    150
    I
    Z
    = 100
    μ
    A
    ±
    15
    0.3
    ±
    15
    0.3
    0.8
    1
    I
    Z,min
    < I
    Z
    < 1 mA
    Reverse breakdown voltage
    change with cathode current
    change
    1
    6
    8
    1.2
    mV
    2.5
    2.5
    8
    1 mA < I
    Z
    < 15 mA
    10
    I
    Z
    = 1 mA, f = 120 Hz,
    I
    AC
    = 0.1 I
    Z
    I
    = 100
    μ
    A,
    10 Hz
    f
    10 kHz
    t = 1000 h,
    T
    A
    = 25
    °
    C
    ±
    0.1
    °
    C,
    I
    Z
    = 100
    μ
    A
    T
    A
    = –40
    °
    C to 125
    °
    C
    Z
    Z
    Reverse dynamic impedance
    25
    °
    C
    0.3
    0.9
    0.3
    1.1
    e
    N
    Wideband noise
    25
    °
    C
    35
    35
    μ
    V
    RMS
    Long-term stability of reverse
    breakdown voltage
    120
    120
    ppm
    V
    HYST
    Thermal hysteresis
    (1)
    0.08
    0.08
    %
    (1)
    Thermal hysteresis is defined as V
    Z,25
    °
    C
    (after cycling to –40
    °
    C) – V
    Z,25
    °
    C
    (after cycling to 125
    °
    C).
    13
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