T3OUT 1
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    參數(shù)資料
    型號(hào): ADM560JR
    廠商: Analog Devices Inc
    文件頁數(shù): 8/12頁
    文件大小: 0K
    描述: IC TXRX RS232 4:5 3.3V LP 28SOIC
    標(biāo)準(zhǔn)包裝: 27
    類型: 收發(fā)器
    驅(qū)動(dòng)器/接收器數(shù): 4/5
    規(guī)程: RS232
    電源電壓: 3 V ~ 3.6 V
    安裝類型: 表面貼裝
    封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
    供應(yīng)商設(shè)備封裝: 28-SOIC W
    包裝: 管件
    ADM560/ADM561
    Rev. B | Page 5 of 12
    PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
    T3OUT 1
    T1OUT 2
    T2OUT 3
    R2IN 4
    T4OUT
    28
    R3IN
    27
    R3OUT
    26
    SHDN
    25
    R2OUT 5
    T2IN 6
    T1IN 7
    EN
    24
    R4IN
    23
    R4OUT
    22
    R1OUT 8
    T4IN
    21
    R1IN 9
    T3IN
    20
    GND 10
    R5OUT
    19
    VCC 11
    R5IN
    18
    C1+ 12
    V–
    17
    V+ 13
    C2–
    16
    C1– 14
    C2+
    15
    ADM560
    TOP VIEW
    (Not to Scale)
    05
    66
    7-
    0
    02
    T3OUT 1
    T1OUT 2
    T2OUT 3
    R2IN 4
    T4OUT
    28
    R3IN
    27
    R3OUT
    26
    SHDN
    25
    R2OUT 5
    T2IN 6
    T1IN 7
    EN
    24
    R4IN
    23
    R4OUT
    22
    R1OUT 8
    T4IN
    21
    R1IN 9
    T3IN
    20
    GND 10
    R5OUT
    19
    VCC 11
    R5IN
    18
    C1+ 12
    V–
    17
    V+ 13
    C2–
    16
    C1– 14
    C2+
    15
    ADM561
    TOP VIEW
    (Not to Scale)
    05
    66
    7-
    0
    12
    Figure 2.ADM560 Pin Configuration
    Figure 3. ADM561 Pin Configuration
    Table 3. Pin Function Descriptions
    Pin No.
    Mnemonic
    Description
    2, 3, 1, 28
    T1OUT to T4OUT
    Transmitter (Driver) Outputs. Typically ±6 V.
    9, 4, 27, 23, 18
    R1IN to R5IN
    Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 kΩ pull-down resistor to GND is
    connected on each of these inputs.
    8, 5, 26, 22, 19
    R1OUT to R5OUT
    Receiver Outputs. These are 3 V logic levels.
    7, 6, 20, 21
    T1IN to T4IN
    Transmitter (Driver) Inputs. These inputs accept 3 V or 5 V logic levels. An internal 400 kΩ pull-up resistor
    to VCC is connected on each input.
    10
    GND
    Ground Pin. Must be connected to 0 V.
    11
    VCC
    Power Supply Input 3.3 V ± 10%.
    12, 14
    C1+, C1
    External Capacitor 1 is connected between these pins.
    13
    V+
    Internally Generated Positive Supply. +6.6 V nominal.
    15, 16
    C2+, C2
    External Capacitor 2 is connected between these pins.
    17
    V
    Internally Generated Negative Supply. 6.6 V nominal.
    24
    EN/EN
    Receiver Enable. EN, active high on ADM560. EN, active low on ADM561. Refer to Table 4.
    25
    SHDN/SHDN
    Shutdown Control. SHDN, active low on ADM560. SHDN, active high on ADM561. Refer to Table 4.
    Table 4. ADM560/ADM561 Enable and Shutdown Control
    ADM560
    ADM561
    SHDN = 1
    SHDN = 0
    EN = 1; receivers active
    EN = 0; receivers active
    Normal Operation
    EN = 0; receivers inactive
    EN = 1; receivers inactive
    SHDN = 0
    SHDN = 1
    EN = 1; Receiver R1 to Receiver R3 inactive
    EN = 0; receivers inactive
    EN = 1; Receiver R4 and Receiver R5 active
    EN = 1; receivers inactive
    Shutdown Mode
    EN = 0; Receiver R1 to Receiver R5 inactive
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