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    ADM3491ARZ 参数 Datasheet PDF下载

    ADM3491ARZ图片预览
    型号： ADM3491ARZ
    PDF下载： 下载PDF文件 查看货源
    内容描述： 3.3 V摆率限制，半双工和全双工， RS - 485 / RS -422收发器 [3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers]
    分类和应用：
    文件页数/大小： 20 页 / 460 K
    品牌： AD [ ANALOG DEVICES ]
     浏览型号ADM3491ARZ的Datasheet PDF文件第1页浏览型号ADM3491ARZ的Datasheet PDF文件第2页浏览型号ADM3491ARZ的Datasheet PDF文件第3页浏览型号ADM3491ARZ的Datasheet PDF文件第4页浏览型号ADM3491ARZ的Datasheet PDF文件第6页浏览型号ADM3491ARZ的Datasheet PDF文件第7页浏览型号ADM3491ARZ的Datasheet PDF文件第8页浏览型号ADM3491ARZ的Datasheet PDF文件第9页  
    ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
    TIMING SPECIFICATIONS—ADM3485/ADM3490/ADM3491
    V
    CC
    = 3.3 V, T
    A
    = 25°C, unless otherwise noted.
    Table 3.
    Parameter
    DRIVER
    Differential Output Delay (t
    DD
    )
    Differential Output Transition Time (t
    TD
    )
    Propagation Delay, Low-to-High Level (t
    PLH
    )
    Propagation Delay, High-to-Low Level (t
    PHL
    )
    |t
    PLH
    – t
    PHL
    | Propagation Delay Skew
    1
    (t
    PDS
    )
    DRIVER OUTPUT ENABLE/DISABLE TIMES (ADM3485/
    ADM3491 ONLY)
    Output Enable Time to Low Level (t
    PZL
    )
    Output Enable Time to High Level (t
    PZH
    )
    Output Disable Time from High Level (t
    PHZ
    )
    Output Disable Time from Low Level (t
    PLZ
    )
    Output Enable Time from Shutdown to Low Level (t
    PSL
    )
    Output Enable Time from Shutdown to High Level (t
    PSH
    )
    1
    Min
    1
    3
    7
    7
    Typ
    22
    8
    22
    22
    Max
    35
    25
    35
    35
    8
    Unit
    ns
    ns
    ns
    ns
    ns
    Test Conditions/Comments
    R
    L
    = 60 Ω
    (see
    Figure 10 and Figure 16)
    R
    L
    = 60 Ω
    (see
    Figure 10 and Figure 16)
    R
    L
    = 27 Ω
    (see
    Figure 11 and Figure 17)
    R
    L
    = 27 Ω
    (see
    Figure 11 and Figure 17)
    R
    L
    = 27 Ω
    (see
    Figure 11 and Figure 17)
    45
    45
    40
    40
    650
    650
    90
    90
    80
    80
    900
    900
    ns
    ns
    ns
    ns
    ns
    ns
    R
    L
    = 110 Ω
    (see
    Figure 13 and Figure 19)
    R
    L
    = 110 Ω
    (see
    Figure 12 and Figure 18)
    R
    L
    = 110 Ω
    (see
    Figure 12 and Figure 18)
    R
    L
    = 110 Ω
    (see
    Figure 13 and Figure 19)
    R
    L
    = 110 Ω
    (see
    Figure 13 and Figure 19)
    R
    L
    = 110 Ω
    (see
    Figure 12 and Figure 18)
    Measured on |t
    PLH
    (Y) − t
    PHL
    (Y)| and |t
    PLH
    (Z) − t
    PHL
    (Z)|.
    TIMING SPECIFICATIONS—ADM3483/ADM3488
    V
    CC
    = 3.3 V, T
    A
    = 25°C, unless otherwise noted.
    Table 4.
    Parameter
    DRIVER
    Differential Output Delay (t
    DD
    )
    Differential Output Transition Time (t
    TD
    )
    Propagation Delay, Low-to-High Level (t
    PLH
    )
    Propagation Delay, High-to-Low Level (t
    PHL
    )
    |t
    PLH
    – t
    PHL
    | Propagation Delay Skew
    1
    (t
    PDS
    )
    DRIVER OUTPUT ENABLE/DISABLE TIMES (ADM3483 ONLY)
    Output Enable Time to Low Level (t
    PZL
    )
    Output Enable Time to High Level (t
    PZH
    )
    Output Disable Time from High Level (t
    PHZ
    )
    Output Disable Time from Low Level (t
    PLZ
    )
    Output Enable Time from Shutdown to Low Level (t
    PSL
    )
    Output Enable Time from Shutdown to High Level (t
    PSH
    )
    1
    Min
    600
    400
    700
    700
    Typ
    900
    700
    1000
    1000
    100
    900
    600
    50
    50
    1.9
    2.2
    Max
    1400
    1200
    1500
    1500
    Unit
    ns
    ns
    ns
    ns
    ns
    ns
    ns
    ns
    ns
    μs
    μs
    Test Conditions/Comments
    R
    L
    = 60 Ω
    (see
    Figure 10 and Figure 16)
    R
    L
    = 60 Ω
    (see
    Figure 10 and Figure 16)
    R
    L
    = 27 Ω
    (see
    Figure 11 and Figure 17)
    R
    L
    = 27 Ω
    (see
    Figure 11 and Figure 17)
    R
    L
    = 27 Ω
    (see
    Figure 11 and Figure 17)
    R
    L
    = 110 Ω
    (see
    Figure 13 and Figure 19)
    R
    L
    = 110 Ω
    (see
    Figure 12 and Figure 18)
    R
    L
    = 110 Ω
    (see
    Figure 12 and Figure 18)
    R
    L
    = 110 Ω
    (see
    Figure 13 and Figure 19)
    R
    L
    = 110 Ω
    (see
    Figure 13 and Figure 19)
    R
    L
    = 110 Ω
    (see
    Figure 12 and Figure 18)
    1300
    800
    80
    80
    2.7
    3.0
    Measured on |t
    PLH
    (Y) − t
    PHL
    (Y)| and |t
    PLH
    (Z) − t
    PHL
    (Z)|.
    Rev. B | Page 5 of 20

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