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    參數(shù)資料
    型號(hào): MAX3490CSA+
    廠商: Maxim Integrated Products
    文件頁(yè)數(shù): 2/16頁(yè)
    文件大?。?/td> 0K
    描述: IC TXRX RS485/RS422 10MBPS 8SOIC
    產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
    Obsolescence Mitigation Program
    標(biāo)準(zhǔn)包裝: 100
    類型: 收發(fā)器
    驅(qū)動(dòng)器/接收器數(shù): 1/1
    規(guī)程: RS422,RS485
    電源電壓: 3 V ~ 3.6 V
    安裝類型: 表面貼裝
    封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
    供應(yīng)商設(shè)備封裝: 8-SOIC
    包裝: 管件
    產(chǎn)品目錄頁(yè)面: 1407 (CN2011-ZH PDF)
    MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E
    3.3V-Powered, ±15kV ESD-Protected, 12Mbps and
    Slew-Rate-Limited True RS-485/RS-422 Transceivers
    10
    ______________________________________________________________________________________
    VID
    50
    CL = 15pF
    (NOTE 5)
    GENERATOR
    (NOTE 4)
    R
    OUT
    tRPLH
    1.5V
    OUT
    1.5V
    0
    IN
    1.5V
    3.0V
    0
    tRPHL
    VCC
    VOM
    0
    VCC
    2
    VOM =
    3V
    0
    VCC
    VOL
    CL
    (NOTE 5)
    R
    1.5V
    -1.5V
    50
    GENERATOR
    (NOTE 4)
    VCC
    VID
    1.5V
    OUT
    S1
    S2
    1k
    IN
    1.5V
    S1 CLOSED
    S2 OPEN
    S3 = -1.5V
    tPRZL
    tPRSL
    3V
    0
    VOH
    0
    1.5V
    OUT
    IN
    1.5V
    S1 OPEN
    S2 CLOSED
    S3 = 1.5V
    tPRZH
    tPRSH
    3V
    0
    VCC
    VOL
    OUT
    IN
    1.5V
    S1 CLOSED
    S2 OPEN
    S3 = -1.5V
    tPRLZ
    3V
    0
    VOH
    0
    0.25V
    1.5V
    OUT
    IN
    S1 OPEN
    S2 CLOSED
    S3 = 1.5V
    tPRHZ
    S3
    Figure 11. Receiver Propagation Delay
    Figure 12. Receiver Enable and Disable Times
    Note 4: The input pulse is supplied by a generator with the following characteristics: f = 250kHz, 50% duty cycle, tr ≤ 6.0ns, ZO = 50.
    Note 5: CL includes probe and stray capacitance.
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