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  • 參數(shù)資料
    型號: MAX1270AEAI+
    廠商: Maxim Integrated Products
    文件頁數(shù): 3/20頁
    文件大?。?/td> 0K
    描述: IC ADC 12BIT SERIAL 28-SSOP
    產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
    Obsolescence Mitigation Program
    標(biāo)準(zhǔn)包裝: 46
    類型: 數(shù)據(jù)采集系統(tǒng)(DAS),ADC
    分辨率(位): 12 b
    采樣率(每秒): 110k
    數(shù)據(jù)接口: MICROWIRE?,QSPI?,串行,SPI?
    電壓電源: 單電源
    電源電壓: 4.75 V ~ 5.25 V
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
    供應(yīng)商設(shè)備封裝: 28-SSOP
    包裝: 管件
    MAX1270/MAX1271
    Multirange, +5V, 8-Channel,
    Serial 12-Bit ADCs
    ______________________________________________________________________________________
    11
    Table 1. Control-Byte Format
    BIT 7
    (MSB)
    BIT 6
    BIT 5
    BIT 4
    BIT 3
    BIT 2
    BIT 1
    BIT 0
    (LSB)
    START
    SEL2
    SEL1
    SEL0
    RNG
    BIP
    PD1
    PD0
    BIT
    NAME
    DESCRIPTION
    7 (MSB)
    START
    First logic 1 after CS goes low defines the beginning of the control byte.
    6, 5, 4
    SEL2, SEL1,
    SEL0
    These 3 bits select the desired “on” channel (Table 2).
    3
    RNG
    Selects the full-scale input voltage range (Table 3).
    2
    BIP
    Selects the unipolar or bipolar conversion mode (Table 3).
    1, 0 (LSB)
    PD1, PD0
    Select clock and power-down modes (Table 4).
    Table 2. Channel Selection
    SEL2
    SEL1
    SEL0
    CHANNEL
    000
    CH0
    001
    CH1
    010
    CH2
    011
    CH3
    100
    CH4
    101
    CH5
    110
    CH6
    111
    CH7
    Table 4. Power-Down and Clock Selection
    PD1
    PD0
    MODE
    00
    Normal operation (always on), internal clock
    mode.
    01
    Normal operation (always on), external clock
    mode.
    10
    Standby power-down mode (STBYPD), clock
    mode unaffected.
    11
    Full power-down mode (FULLPD), clock mode
    unaffected.
    Table 3. Range and Polarity Selection for MAX1270/MAX1271
    RANGE AND POLARITY SELECTION FOR THE MAX1270
    INPUT RANGE
    RNG
    BIP
    Negative
    FULL SCALE
    ZERO
    SCALE (V)
    FULL SCALE
    0 to +5V
    0
    0
    VREF x 1.2207
    0 to +10V
    1
    0
    0
    VREF x 2.4414
    ±5V
    0
    1
    -VREF x 1.2207
    0
    VREF x 1.2207
    ±10V
    1
    -VREF x 2.4414
    0
    VREF x 2.4414
    RANGE AND POLARITY SELECTION FOR THE MAX1271
    INPUT RANGE
    RNG
    BIP
    Negative
    FULL SCALE
    ZERO
    SCALE (V)
    FULL SCALE
    0 to VREF/2
    0
    0
    VREF/2
    0 to VREF
    10
    0
    VREF
    ±VREF/2
    0
    1
    -VREF/2
    0
    VREF/2
    ±VREF
    11
    -VREF
    0VREF
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