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    參數(shù)資料
    型號(hào): MAX144BEUA+T
    廠商: Maxim Integrated Products
    文件頁(yè)數(shù): 13/16頁(yè)
    文件大?。?/td> 0K
    描述: IC ADC 12BIT 108KSPS 8-UMAX
    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): 108k
    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): 330mW
    電壓電源: 單電源
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
    供應(yīng)商設(shè)備封裝: 8-uMAX
    包裝: 帶卷 (TR)
    輸入數(shù)目和類型: 2 個(gè)單端,單極
    MAX144/MAX145
    +2.7V, Low-Power, 2-Channel, 108ksps,
    Serial 12-Bit ADCs in 8-Pin MAX
    6
    _______________________________________________________________________________________
    Typical Operating Characteristics (continued)
    (VDD = +3.0V, VREF = 2.5V, 0.1F at REF, fSCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps), CH- = GND for MAX145, TA = +25°C,
    unless otherwise noted.)
    Pin Description
    External Reference Voltage Input. Sets the analog voltage range. Bypass with a 100nF capacitor close to
    the device.
    REF
    5
    Active-Low Chip-Select Input/Active-High Shutdown Input. Pulling CS/SHDN high puts the device into
    shutdown with a maximum current of 5A.
    CS/SHDN
    6
    Serial Data Output. Data changes state at SCLK’s falling edge. High impedance when CS/SHDN
    is high.
    DOUT
    7
    Serial Clock Input. DOUT changes on the falling edge of SCLK.
    SCLK
    8
    Analog and Digital Ground
    GND
    4
    Analog Input: MAX144 = single-ended (CH1); MAX145 = differential (CH-)
    CH1 (CH-)
    3
    PIN
    Analog Input: MAX144 = single-ended (CH0); MAX145 = differential (CH+)
    CH0 (CH+)
    2
    Positive Supply Voltage, +2.7V to +5.25V
    VDD
    1
    FUNCTION
    NAME
    -0.20
    -0.10
    -0.15
    0
    -0.05
    0.05
    0.10
    0.15
    0.20
    0
    1024
    2048
    3072
    4096
    INTEGRAL NONLINEARITY
    vs. OUTPUT CODE
    MAX144/5-10
    OUTPUT CODE
    INL
    (LSB)
    0
    0.1
    0.2
    0.3
    0.4
    0.5
    2.5
    3.5
    3.0
    4.0
    4.5
    5.0
    5.5
    INTEGRAL NONLINEARITY
    vs. SUPPLY VOLTAGE
    MAX144/5-11
    VDD (V)
    INL
    (LSB)
    0
    0.1
    0.2
    0.3
    0.4
    0.5
    INTEGRAL NONLINEARITY
    vs. TEMPERATURE
    MAX144/5-12
    INL
    (LSB)
    TEMPERATURE (°C)
    -60
    -10
    15
    -35
    40
    65
    90
    115 140
    -140
    -100
    -120
    -60
    -80
    -40
    -20
    0
    20
    027
    54
    FFT PLOT
    MAX144/5-13
    FREQUENCY (kHz)
    AMPLITUDE
    (dB)
    VDD = +2.7V
    fIN = 10kHz
    fSAMPLE = 108ksps
    12.0
    11.0
    1
    10
    100
    EFFECTIVE NUMBER OF BITS
    vs. FREQUENCY
    11.2
    MAX144/5-14
    FREQUENCY (kHz)
    EFFECTIVE
    NUMBER
    OF
    BITS
    11.4
    11.6
    11.8
    VDD = +2.7V
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