AD7709BUnit Test Conditions LOGIC OUTPUTS (Excluding XTAL2) " />
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    參數(shù)資料
    型號(hào)： AD7709ARUZ
    廠(chǎng)商： Analog Devices Inc
    文件頁(yè)數(shù)： 28/32頁(yè)
    文件大?。?/td> 0K
    描述： IC ADC 16BIT SIGMA-DELTA 24TSSOP
    標(biāo)準(zhǔn)包裝： 62
    位數(shù)： 16
    采樣率（每秒）： 105
    數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
    轉(zhuǎn)換器數(shù)目： 1
    功率耗散（最大）： 3.75mW
    電壓電源： 單電源
    工作溫度： -40°C ~ 85°C
    安裝類(lèi)型： 表面貼裝
    封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
    供應(yīng)商設(shè)備封裝： 24-TSSOP
    包裝： 管件
    輸入數(shù)目和類(lèi)型： 2 個(gè)差分，單極；2 個(gè)差分，雙極；4 個(gè)偽差分，單極；4 個(gè)偽差分，雙極
    REV. A
    Parameter
    AD7709A,
    AD7709BUnit
    Test Conditions
    LOGIC OUTPUTS (Excluding XTAL2)
    VOH, Output High Voltage
    2
    VDD – 0.6
    V min
    VDD = 3 V, ISOURCE = 100
    mA
    VOL, Output Low Voltage
    2
    0.4
    V max
    VDD = 3 V, ISINK = 100
    mA
    VOH, Output High Voltage
    2
    4V min
    VDD = 5 V, ISOURCE = 200
    mA
    VOL, Output Low Voltage
    2
    0.4
    V max
    VDD = 5 V, ISINK = 1.6 mA
    Floating-State Leakage Current
    ±10
    mA max
    Floating-State Output Capacitance
    ±10
    pF typ
    Data Output Coding
    Binary
    Unipolar Mode
    Offset Binary
    Bipolar Mode
    I/O PORT
    VINL, Input Low Voltage
    2
    0.8
    V max
    VDD = 5 V
    0.4
    V max
    VDD = 3 V
    VINH, Input High Voltage
    2
    2.0
    V min
    VDD = 3 V or 5 V
    Input Currents
    ±2
    mA max
    VIN = VDD
    –70
    mA max
    VIN = GND, Typically –40
    mA @ VDD = 5 V
    and –20
    mA at VDD = 3 V; Weak Pull-Ups on
    the Logic Inputs
    Input Capacitance
    10
    pF typ
    All Digital Inputs
    VOH, Output High Voltage
    2
    VDD – 0.6
    V min
    VDD = 3 V, ISOURCE = 100
    mA
    VOL, Output Low Voltage
    2
    0.4
    V max
    VDD = 3 V, ISINK = 100
    mA
    VOH, Output High Voltage
    2
    4V min
    VDD = 5 V, ISOURCE = 200
    mA
    VOL, Output Low Voltage
    2
    0.4
    V max
    VDD = 5 V, ISINK = 1.6 mA
    Floating-State Output Leakage Current
    ±10
    mA max
    Floating-State Output Capacitance
    ±10
    pF typ
    START-UP TIME
    From Power-On
    300
    ms typ
    From Standby Mode
    1
    ms typ
    OSCPD = 0
    From Power-Down Mode
    300
    ms typ
    OSCPD = 1
    POWER REQUIREMENTS
    Power Supply Voltage
    VDD – GND
    2.7/3.6
    V min/max
    VDD = 3 V nom
    4.75/5.25
    V min/max
    VDD = 5 V nom
    Power Supply Currents
    IDD Current
    1.5
    mA max
    VDD = 3 V, 1.25 mA typ
    1.75
    mA max
    VDD = 5 V, 1.45 mA typ
    IDD (Low Power Mode)
    7
    mA max
    B Grade, VDD = 3 V, Standby Mode
    7
    mA typ
    A Grade, VDD = 3 V, Standby Mode
    1.5
    mA max
    B Grade, VDD = 3 V, Power-Down Mode
    1.5
    mA typ
    A Grade, VDD = 3 V, Power-Down Mode
    26
    mA max
    B Grade, VDD = 5 V, Standby Mode
    26
    mA typ
    A Grade, VDD = 5 V, Standby Mode
    6.5
    mA max
    B Grade, VDD = 5 V, Power-Down Mode
    6.5
    mA typ
    A Grade, VDD = 5 V, Power-Down Mode
    IDD for One Conversion Second
    107
    5
    mA typ
    VDD = 3 V, Standby Mode
    134
    5
    mA typ
    VDD = 5 V, Standby Mode
    NOTES
    1Temperature Range –40
    ∞C to +85∞C.
    2Guaranteed by design and/or characterization data on production release.
    3Full-scale error applies to both positive and negative full scale.
    4Simultaneous 50 Hz and 60 Hz rejection is achieved using 19.79 Hz update rate. Normal mode rejection in this case is 60 dB min.
    5When the part is placed in power-down mode for a single conversion/second, at an update rate of 19.79 Hz, the current consumption is higher compared to when the
    part is placed in standby mode as the crystal oscillator takes approximately 100 ms to begin clocking. The device will, therefore, use full current for the conversion
    time and the 100 ms period required for the oscillator to begin clocking. However, if the conversion rate is lower, the current consumption will be reduced so that it
    is worthwhile to use the power-down rather than the standby mode.
    Specifications subject to change without notice.
    AD7709
    –5–
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