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    參數(shù)資料
    型號: EVAL-AD5445EBZ
    廠商: Analog Devices Inc
    文件頁數(shù): 28/29頁
    文件大?。?/td> 0K
    描述: BOARD EVALUATION FOR AD5445
    產(chǎn)品培訓(xùn)模塊: DAC Architectures
    標(biāo)準(zhǔn)包裝: 1
    DAC 的數(shù)量: 1
    位數(shù): 12
    采樣率(每秒): 20M
    數(shù)據(jù)接口: 并聯(lián)
    設(shè)置時間: 30ns
    DAC 型: 電流
    工作溫度: -40°C ~ 125°C
    已供物品: 板,CD
    已用 IC / 零件: AD5445
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    Data Sheet
    AD5424/AD5433/AD5445
    Rev. D | Page 7 of 28
    PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
    03160-004
    1
    2
    3
    4
    5
    6
    7
    8
    16
    9
    10
    11
    12
    13
    14
    15
    AD5424
    (Not to Scale)
    IOUT1
    IOUT2
    GND
    DB7
    DB6
    DB5
    DB4
    DB3
    RFB
    VREF
    VDD
    R/W
    CS
    DB0 (LSB)
    DB1
    DB2
    Figure 3. AD5424 Pin Configuration (TSSOP)
    03160-
    105
    14
    13
    12
    1
    3
    4
    CS
    15 R/W
    NC
    11 NC
    GND
    DB6
    2
    DB7
    DB5
    5
    DB4
    7
    DB2
    6
    DB3
    8
    DB1
    9
    DB0
    10
    NC
    19
    I O
    UT
    1
    20
    I O
    UT
    2
    18
    R
    FB
    17
    V
    RE
    F
    16
    V
    DD
    NOTES
    1. NC = NO CONNECT.
    2. THE EXPOSED PAD MUST BE CONNECTED TO AGND.
    AD5424
    TOP VIEW
    (Not to Scale)
    Figure 4. AD5424 Pin Configuration (LFCSP)
    Table 4. AD5424 Pin Function Descriptions
    Pin No.
    TSSOP
    LFCSP
    Mnemonic
    Description
    1
    19
    IOUT1
    DAC Current Output.
    2
    20
    IOUT2
    DAC Analog Ground. This pin should normally be tied to the analog ground of the system.
    3
    1
    GND
    Ground.
    4 to 11
    2 to 9
    DB7 to DB0
    Parallel Data Bits 7 to 0.
    10 to 13
    NC
    No Internal Connection.
    12
    14
    CS
    Chip Select Input. Active low. Used in conjunction with R/W to load parallel data to the input
    latch or to read data from the DAC register. Rising edge of CS loads data.
    13
    15
    R/W
    Read/Write. When low, use in conjunction with CS to load parallel data. When high, use with CS
    to read back contents of DAC register.
    14
    16
    VDD
    Positive Power Supply Input. These parts can be operated from a supply of 2.5 V to 5.5 V.
    15
    17
    VREF
    DAC Reference Voltage Input Terminal.
    16
    18
    RFB
    DAC Feedback Resistor Pin. Establish voltage output for the DAC by connecting to external
    amplifier output.
    Not applicable
    EPAD
    Exposed Pad. The exposed pad must be connected to AGND.
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