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  • 參數(shù)資料
    型號: MAX1274AETC+T
    廠商: Maxim Integrated Products
    文件頁數(shù): 12/18頁
    文件大?。?/td> 0K
    描述: IC ADC 12BIT 1.8MSPS 12-TQFN
    產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
    Obsolescence Mitigation Program
    標(biāo)準(zhǔn)包裝: 2,500
    位數(shù): 12
    采樣率(每秒): 1.8M
    數(shù)據(jù)接口: MICROWIRE?,QSPI?,串行,SPI?
    轉(zhuǎn)換器數(shù)目: 1
    功率耗散(最大): 45mW
    電壓電源: 模擬和數(shù)字
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 12-WQFN 裸露焊盤
    供應(yīng)商設(shè)備封裝: 12-TQFN-EP(4x4)
    包裝: 帶卷 (TR)
    輸入數(shù)目和類型: 1 個差分,單極
    MAX1274/MAX1275
    1.8Msps, Single-Supply, Low-Power,
    True-Differential, 12-Bit ADCs
    _______________________________________________________________________________________
    3
    ELECTRICAL CHARACTERISTICS (continued)
    (VDD = +5V ±5%, VL = VDD, VREF = 4.096V, fSCLK = 28.8MHz, 50% duty cycle, TA = -40°C to +85°C, unless otherwise noted. Typical
    values are at TA = +25°C.)
    PARAMETER
    SYMBOL
    CONDITIONS
    MIN
    TYP
    MAX
    UNITS
    ANALOG INPUTS (AIN+, AIN-)
    AIN+ - AIN-, MAX1274
    0
    VREF
    Differential Input Voltage Range
    VIN
    AIN+ - AIN-, MAX1275
    -VREF/2
    +VREF/2
    V
    Absolute Input Voltage Range
    0
    VDD
    V
    DC Leakage Current
    ±1
    A
    Input Capacitance
    Per input pin
    16
    pF
    Input Current (Average)
    Time averaged at maximum throughput rate
    75
    A
    REFERENCE INPUT (REF)
    REF Input Voltage Range
    VREF
    1.0
    VDD +
    50mV
    V
    Input Capacitance
    20
    pF
    DC Leakage Current
    ±1
    A
    Input Current (Average)
    Time averaged at maximum throughput rate
    400
    A
    DIGITAL INPUTS (SCLK, CNVST)
    Input Voltage Low
    VIL
    0.3 x VL
    V
    Input Voltage High
    VIH
    0.7 x VL
    V
    Input Leakage Current
    IIL
    0.05
    ±10
    A
    DIGITAL OUTPUT (DOUT)
    Output Load Capacitance
    COUT
    For stated timing performance
    30
    pF
    Output Voltage Low
    VOL
    ISINK = 5mA, VL
    ≥ 1.8V
    0.4
    V
    Output Voltage High
    VOH
    ISOURCE = 1mA, VL
    ≥ 1.8V
    VL - 0.5V
    V
    Output Leakage Current
    IOL
    Output high impedance
    ±0.2
    ±10
    A
    POWER REQUIREMENTS
    Analog Supply Voltage
    VDD
    4.75
    5.25
    V
    Digital Supply Voltage
    VL
    1.8
    VDD
    V
    Static, fSCLK = 28.8MHz
    7
    9
    Static, no SCLK
    4
    5
    Analog Supply Current,
    Normal Mode
    IDD
    Operational, 1.8Msps
    9
    11
    mA
    fSCLK = 28.8MHz
    1
    Analog Supply Current,
    Partial Power-Down Mode
    IDD
    No SCLK
    1
    mA
    fSCLK = 28.8MHz
    1
    Analog Supply Current,
    Full Power-Down Mode
    IDD
    No SCLK
    1
    A
    Operational, full-scale input at 1.8Msps
    1
    2.5
    Static, fSCLK = 28.8MHz
    0.4
    1
    Partial/full power-down mode,
    fSCLK = 28.8MHz
    0.2
    0.5
    mA
    Digital Supply Current (Note 7)
    Static, no SCLK, all modes
    0.1
    1
    A
    Positive-Supply Rejection
    PSR
    VDD = 5V ±5%, full-scale input
    ±0.2
    ±3.0
    mV
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