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    參數(shù)資料
    型號: MAX5581
    廠商: Maxim Integrated Products, Inc.
    英文描述: Buffered. Fast-Settling. Quad. 12-/10-/8-Bit. Voltage-Output DACs
    中文描述: 帶緩沖、快速建立、四通道、12/10/8位、電壓輸出DAC
    文件頁數(shù): 1/16頁
    文件大小: 172K
    代理商: MAX5581
    _______________General Desc ription
    The MAX548A/MAX549A/MAX550A serial, 8-bit voltage-
    output digital-to-analog converters (DACs) operate from
    a single +2.5V to +5.5V supply. Their ±1LSB TUE spec-
    ification is guaranteed over temperature. Operating cur-
    rent (supply current plus reference current) is typically
    75μA per DAC with V
    DD
    = 2.5V. In shutdown, the DAC
    is disconnected from the reference, reducing current
    drain to less than 1μA. The MAX548A/MAX549A allow
    each DAC to be shut down independently.
    The 10MHz, 3-wire serial interface is compatible with
    SPI /QSPI and Microwire interface standards.
    Double-buffered inputs provide flexibility when updat-
    ing the DACs; the input and DAC registers can be
    updated individually or simultaneously.
    The MAX548A is a dual DAC with an asynchronous
    load input; it uses V
    DD
    as the reference input. The
    MAX549A is a dual DAC with an external reference
    input. The MAX550A is a single DAC with an external
    reference input and an asynchronous load input.
    The MAX548A/MAX549A/MAX550A’s low power con-
    sumption and small μMAX and DIP packages make
    these devices ideal for portable and battery-powered
    applications.
    ________________________Applic ations
    Battery-Powered Systems
    VCXO Control
    Comparator-Level Settings
    GaAs Amp Bias Control
    Digital Gain and Offset Control
    ____________________________Features
    o
    +2.5V to +5.5V Single-Supply Operation
    o
    ±1LSB (max) TUE
    o
    Power-On Reset Clears All Registers to Zero
    o
    Low Operating Current:
    150μA (MAX548A/MAX549A, V
    REF
    = +2.5V)
    75μA (MAX550A, V
    REF
    = +2.5V)
    o
    1μA Shutdown Mode
    o
    10MHz, 3-Wire Serial Interface Compatible with
    SPI/QSPI and Microwire
    o
    μMAX Package—50% Smaller than 8-Pin SO
    o
    Independent Shutdown of DACs
    (MAX548A/MAX549A)
    M
    +2.5V to +5.5V, Low-Power, S ingle/Dual,
    8-Bit Voltage-Output DACs in μMAX Pac kage
    ________________________________________________________________ Maxim Integrated Products
    1
    LDAC
    SCLK
    DIN
    1
    2
    8
    7
    V
    DD
    OUTB
    OUTA
    CS
    GND
    DIP/
    μ
    MAX
    TOP VIEW
    3
    4
    6
    5
    MAX548A
    _________________Pin Configurations
    _____________________S elec tor Guide
    19-1206; Rev 0; 3/97
    PART
    MAX548A
    CPA
    MAX548ACUA
    MAX548AC/D
    MAX548AEPA
    MAX548AEUA
    0°C to +70°C
    -40°C to +85°C
    0°C to +70°C
    0°C to +70°C
    TEMP. RANGE
    PIN-PACKAGE
    8 Plastic DIP
    8 μMAX
    Dice*
    8 Plastic DIP
    8 μMAX
    ______________Ordering Information
    Ordering Information continued at end of data sheet.
    *Dice are specified at T
    A
    = +25°C, DC parameters only.
    Contact factory for availability of 8-pin SO package.
    For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
    MAX548A
    MAX549A
    Number of DACs
    2
    2
    DAC Reference
    V
    DD
    External
    FEATURE
    External
    Asynchronous
    Load DAC Input
    MAX550A
    1
    μMAX Package
    SPI and QSPI are trademarks of Motorola Inc.
    Microwire is a trademark of National Semiconductor Corp.
    -40°C to +85°C
    Pin Configurations continued at end of data sheet.
    相關(guān)PDF資料
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