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    产品型号KA393S的Datasheet PDF文件预览

    www.fairchildsemi.com  
    KA293/KA293A, KA393/KA393A,  
    KA2903  
    Dual Differential Comparator  
    Features  
    Descritpion  
    • Single Supply Operation: 2V to 36V  
    • Dual Supply Operation: ± 1V to ±18V  
    • Allow Comparison of Voltages Near Ground Potential  
    • Low Current Drain 800µA Typ.  
    • Compatible with all Forms of Logic  
    • Low Input Bias Current 25nA Typ.  
    • Low Input Offset Current ±5nA Typ.  
    • Low Offset Voltage ±1mV Typ.  
    The KA293 series consists of two independent voltage  
    comparators designed to operate from a single power supply  
    over a wide voltage range.  
    8-DIP  
    1
    8-SOP  
    1
    9-SIP  
    1
    Internal Block Diagram  
    Rev. 1.0.2  
    ©2001 Fairchild Semiconductor Corporation  
    KA293/KA293A, KA393/KA393A, KA2903  
    Schematic Diagram  
    Absolute Maximum Ratings  
    Parameter  
    Symbol  
    Value  
    ±18 or 36  
    36  
    Unit  
    Power Supply Voltage  
    Differential Input Voltage  
    Input Voltage  
    V
    V
    V
    V
    -
    CC  
    V
    I(DIFF)  
    V
    -
    - 0.3 to +36  
    Continuous  
    I
    Output Short Circuit to GND  
    Power Dissipation, Ta = 25°C  
    8-DIP  
    8-SOP  
    P
    1040  
    480  
    mW  
    °C  
    D
    Operating Temperature  
    KA393/KA393A  
    KA293/KA293A  
    KA2903  
    T
    0 ~ + 70  
    - 25 ~ + 85  
    - 40 ~ + 85  
    OPR  
    Storage Temperature  
    T
    STG  
    - 65 ~ + 150  
    °C  
    Thermal Data  
    Parameter  
    Symbol  
    Value  
    Unit  
    °C/W  
    Thermal Resistance Junction-Ambient Max.  
    8-DIP  
    8-SOP  
    Rθja  
    120  
    260  
    2
    KA293/KA293A, KA393/KA393A, KA2903  
    Electrical Characteristics  
    (V  
    CC  
    =5V, T =25°C, unless otherwise specified)  
    A
    KA293A/KA393A  
    KA293/KA393  
    Parameter  
    Symbol  
    Conditions  
    =1.4V, R =0Ω  
    Unit  
    mV  
    nA  
    Min. Typ. Max. Min. Typ. Max.  
    V
    V
    -
    -
    -
    -
    -
    -
    ±1  
    -
    ±2  
    ±4.0  
    ±50  
    ±150  
    250  
    400  
    -
    -
    -
    -
    -
    -
    ±1  
    -
    ±5  
    ±9.0  
    ±50  
    ±150  
    250  
    400  
    O(P)  
    S
    Input Offset Voltage  
    Input Offset Current  
    Input Bias Current  
    V
    IO  
    = 0 to1.5V Note 1  
    CM  
    ±5  
    -
    ±5  
    -
    I
    IO  
    Note 1  
    65  
    -
    65  
    -
    I
    nA  
    BIAS  
    Note 1  
    V
    V
    CC  
    -1.5  
    CC  
    -1.5  
    0
    0
    -
    -
    0
    0
    -
    -
    Input Common Mode  
    Voltage Range  
    V
    V
    I(R)  
    CC  
    V
    -2  
    V
    CC  
    -2  
    CC  
    Note 1  
    R = ∞ , V  
    = 5V  
    -
    -
    0.6  
    0.8  
    1
    -
    -
    0.6  
    0.8  
    1
    L
    CC  
    Supply Current  
    Voltage Gain  
    I
    mA  
    R = ∞, V  
    L
    = 30V  
    2.5  
    2.5  
    CC  
    V
    =15V, R ≥15KΩ  
    L
    CC  
    (for large V  
    G
    50  
    200  
    -
    50  
    200  
    -
    V/mV  
    V
    )
    O(P-P)swing  
    Large Signal  
    Response  
    Time  
    V =TTL Logic Swing  
    I
    T
    V
    =1.4V, V =5V,  
    RL  
    -
    350  
    -
    -
    350  
    -
    nS  
    LRES  
    REF  
    R =5.1KΩ  
    L
    Response Time  
    T
    V
    V
    V
    =5V, R =5.1KΩ  
    -
    6
    -
    1.4  
    18  
    -
    -
    -
    6
    -
    1.4  
    18  
    -
    -
    µS  
    RES  
    RL  
    I(-)  
    L
    Output Sink Current  
    I
    ≥1V, V  
    =0V, V ≤1.5V  
    O(P)  
    mA  
    SINK  
    I(+)  
    ≥ 1V, VI(+) =0V  
    160 400  
    160 400  
    I(-)  
    Output Saturation  
    Voltage  
    V
    mV  
    SAT  
    I
    = 4mA  
    Note 1  
    -
    -
    0.1  
    -
    700  
    -
    -
    -
    0.1  
    -
    700  
    -
    SINK  
    V
    V
    = 5V  
    -
    -
    nA  
    O(P)  
    O(P)  
    Output Leakage  
    Current  
    V
    V
    = 0V,  
    = 1V  
    I(-)  
    I(+)  
    I
    O(LKG)  
    = 30V  
    -
    1.0  
    -
    1.0  
    µA  
    NOTE 1  
    KA393 / KA393A : 0 ≤ T ≤ +70°C  
    A
    KA293 / KA293A : -25 ≤ T ≤ +85°C  
    A
    KA2903 : -40 ≤ T ≤ +85°C  
    A
    3
    KA293/KA293A, KA393/KA393A, KA2903  
    Electrical Characteristics (Continued)  
    (V  
    CC  
    =5V, T =25°C, unless otherwise specified)  
    A
    KA2903  
    Min. Typ.  
    Parameter  
    Symbol  
    Conditions  
    Unit  
    mV  
    nA  
    nA  
    V
    Max.  
    ±7  
    V
    V
    =1.4V, R =0Ω  
    -
    -
    ±1  
    ±9  
    ±5  
    ±50  
    65  
    -
    O(P)  
    S
    Input Offset Voltage  
    Input Offset Current  
    Input Bias Current  
    V
    IO  
    = 0 to 1.5V  
    Note 1  
    Note 1  
    Note 1  
    Note 1  
    ±15  
    ±50  
    ±200  
    250  
    500  
    CM  
    -
    I
    IO  
    -
    -
    I
    BIAS  
    -
    0
    0
    -
    -
    V
    -1.5  
    CC  
    Input Common Mode  
    Voltage Range  
    V
    I(R)  
    CC  
    -
    V
    -2  
    CC  
    R = ∞ , V  
    = 5V  
    0.6  
    1
    1
    L
    CC  
    Supply Current  
    I
    mA  
    R = ∞, V  
    = 30V  
    -
    2.5  
    L
    CC  
    V
    V
    =15V, R ≥15KΩ(for large  
    L
    CC  
    Voltage Gain  
    G
    25  
    -
    100  
    350  
    -
    V/mV  
    nS  
    V
    )
    O(P-P)swing  
    V =TTL Logic Swing  
    I
    Large Signal Response Time  
    T
    -
    LRES  
    V
    V
    V
    V
    =1.4V, V =5V, R =5.1KΩ  
    RL  
    REF  
    L
    Response Time  
    T
    RES  
    =5V, R =5.1KΩ  
    -
    6
    -
    1.5  
    16  
    160  
    -
    -
    -
    µS  
    RL  
    I(-)  
    L
    Output Sink Current  
    I
    ≥1V, V  
    =0V, V ≤1.5V  
    O(P)  
    mA  
    SINK  
    I(+)  
    ≥1V, VI(+) =0V  
    400  
    700  
    -
    I(-)  
    Output Saturation Voltage  
    Output Leakage Current  
    NOTE 1  
    V
    mV  
    SAT  
    I
    = 4mA  
    NOTE 1  
    -
    SINK  
    V
    V
    = 0V,  
    V
    V
    = 5V  
    -
    0.1  
    -
    nA  
    I(-)  
    O(P)  
    O(P)  
    I
    O(LKG)  
    = 1V  
    = 30V  
    -
    1.0  
    µA  
    I(+)  
    KA393 / KA393A : 0 ≤ T ≤ +70°C  
    A
    KA293 / KA293A : -25 ≤ T ≤ +85°C  
    A
    KA2903 : -40 ≤ T ≤ +85°C  
    A
    4
    KA293/KA293A, KA393/KA393A, KA2903  
    Typical Performance Characteristics  
    Figure 1. Supply Current vs Supply Voltage  
    Figure 2. Input Current vs Supply Voltage  
    Figure 3. Output Saturation Voltage vs Sink Current  
    Figure 4. Response Time for Various Input  
    Overdrive-Negative Transition  
    Figure 5. Response Time for Various Input  
    Overdrive-Positive Transition  
    5
    KA293/KA293A, KA393/KA393A, KA2903  
    Mechanical Dimensions  
    Package  
    Dimensions in millimeters  
    8-DIP  
    6.40 ±0.20  
    0.252 ±0.008  
    #1  
    #4  
    #8  
    #5  
    3.30 ±0.30  
    0.130 ±0.012  
    5.08  
    MAX  
    0.200  
    7.62  
    0.300  
    3.40 ±0.20  
    0.134 ±0.008  
    0.33  
    MIN  
    0.013  
    6
    KA293/KA293A, KA393/KA393A, KA2903  
    Mechanical Dimensions (Continued)  
    Package  
    Dimensions in millimeters  
    8-SOP  
    0.1~0.25  
    0.004~0.001  
    MIN  
    1.55 ±0.20  
    0.061 ±0.008  
    #8  
    #5  
    #1  
    #4  
    6.00 ±0.30  
    0.236 ±0.012  
    1.80  
    0.071  
    MAX  
    3.95 ±0.20  
    0.156 ±0.008  
    5.72  
    0.225  
    0.50 ±0.20  
    0.020 ±0.008  
    7
    KA293/KA293A, KA393/KA393A, KA2903  
    Mechanical Dimensions (Continued)  
    Package  
    Dimensions in millimeters  
    9-SIP  
    #1  
    #9  
    5.80 ±0.20  
    1.15 ±0.20  
    0.228 ±0.008  
    0.045 ±0.008  
    3.30 ±0.30  
    0.130 ±0.012  
    7.30  
    MAX  
    0.287  
    6.00  
    MAX  
    0.236  
    8
    KA293/KA293A, KA393/KA393A, KA2903  
    Ordering Information  
    Product Number  
    KA393  
    Package  
    Operating Temperature  
    8-DIP  
    KA393A  
    KA393D  
    KA393AD  
    KA393S  
    0 ~ + 70°C  
    8-SOP  
    9-SIP  
    8-DIP  
    KA293  
    KA293A  
    -25 ~ + 85°C  
    -40 ~ + 85°C  
    KA293D  
    KA293AD  
    KA2903  
    8-SOP  
    8-DIP  
    KA2903D  
    8-SOP  
    9
    KA293/KA293A, KA393/KA393A, KA2903  
    DISCLAIMER  
    FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY  
    PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY  
    LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER  
    DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.  
    LIFE SUPPORT POLICY  
    FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES  
    OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR  
    CORPORATION. As used herein:  
    1. Life support devices or systems are devices or systems  
    which, (a) are intended for surgical implant into the body,  
    or (b) support or sustain life, and (c) whose failure to  
    perform when properly used in accordance with  
    instructions for use provided in the labeling, can be  
    reasonably expected to result in a significant injury of the  
    user.  
    2. A critical component in any component of a life support  
    device or system whose failure to perform can be  
    reasonably expected to cause the failure of the life support  
    device or system, or to affect its safety or effectiveness.  
    www.fairchildsemi.com  
    12/21/01 0.0m 001  
    Stock#DSxxxxxxxx  
    2001 Fairchild Semiconductor Corporation  

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