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    參數(shù)資料
    

    


    


    
型號：
MAX1280

    

    
廠商：
Maxim Integrated Products, Inc.

    

    
英文描述：
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference

    

    
中文描述：
400ksps/300ksps、單電源、低功耗、8通道、串行12位ADC，內(nèi)置電壓基準(zhǔn)

    

    
文件頁數(shù)：
5/24頁

    

    
文件大?。?/td>
363K

    

    
代理商：
MAX1280


    

    

    

	
    
    
    

    
    
	
    M
    400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, 
    Serial 12-Bit ADCs with Internal Reference
    _______________________________________________________________________________________
    5
    ELECTRICAL CHARACTERISTICS—MAX1281 (continued)
    (V
    DD1
    = V
    DD2
    = +2.7V to +3.6V, COM = GND, f
    SCLK
    = 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), external
    +2.5V at REF, REFADJ = V
    DD1
    , T
    A
    = T
    MIN
    to T
    MAX
    , unless otherwise noted. Typical values are at T
    A
    = +25°C.)
    CONDITIONS
    SYMBOL
    PARAMETER
    CONVERSION RATE
    Normal operating mode
    Normal operating mode
    Normal operating mode
    MHz
    %
    0.5
    40
    4.8
    60
    f
    SCLK
    Serial Clock Frequency
    Duty Cycle
    ANALOG INPUTS
     (CH7–CH0, COM)
    ps
    <50
    Aperture Jitter
    ns
    10
    Aperture Delay
    ns
    625
    t
    ACQ
    Track/Hold Acquisition Time
    μs
    3.3
    t
    CONV
    Conversion Time (Note 5)
    UNITS
    MIN
    TYP
    MAX
    To power down the internal reference
    For small adjustments, from 1.22V
    0 to 0.75mA output load
    On/off leakage current, V
    CH_
    = 0 or AV
    DD
    T
    A
    = +25°C
    Bipolar, V
    COM
    or V
    CH_ 
    = V
    REF
    /2, 
    referenced to COM or CH_
    Unipolar, V
    COM
    = 0
    V/V
    2.05
    Buffer Voltage Gain
    EXTERNAL REFERENCE
     (Reference buffer disabled, reference applied to REF)
    V
    1.4
    V
    DD1
    - 1
    REFADJ Buffer Disable
    Threshold
    mV
    ±100
    REFADJ Input Range
    V
    1.22
    REFADJ Output Voltage
    μF
    0.01
    10
    Capacitive Bypass at REFADJ
    μF
    4.7
    10
    Capacitive Bypass at REF
    mV/mA
    0.1
    2.0
    Load Regulation (Note 7)
    ppm/°C
    ±15
    TC V
    REF
    REF Output Temperature
    Coefficient
    mA
    15
    REF Short-Circuit Current
    V
    2.480
    2.500
    2.520
    V
    REF
    REF Output Voltage
    pF
    18
    Input Capacitance
    INTERNAL REFERENCE
    μA
    ±0.001
    ±1
    Multiplexer Leakage Current
    ±V
    REF
    /2
    V
    V
    REF
    V
    CH_
    Input Voltage Range, Single-
    Ended and Differential (Note 6)
    V
    IN
    = 0 or V
    DD2
    In power-down, f
    SCLK
    = 0
    V
    REF
    = 2.500V, f
    SCLK
    = 0
    V
    REF
    = 2.500V, f
    SCLK
    = 4.8MHz
    (Note 8)
    pF
    15
    C
    IN
    Input Capacitance
    μA
    ±1
    I
    IN
    Input Leakage
    V
    0.2
    V
    HYST
    Input Hysteresis
    V
    0.8
    V
    INL
    Input Low Voltage
    V
    2.0
    V
    INH
    Input High Voltage
    5
    REF Input Current
    320
    μA
    200
    350
    V
    1.0
    V
    DD1
    +
    50mV
    REF Input Voltage Range
    DIGITAL INPUTS
     (DIN, SCLK, 
    CS
    , 
    SHDN
    )
    
    
    
    
    
    


    


    

    相關(guān)PDF資料
    		

    PDF描述
    		

    
    

    
MAX1280EVC16
MAX1280 Evaluation System

    

    
MAX1280EVKIT
MAX1280 Evaluation System

    

    
MAX1281
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference

    

    
MAX1280BEUP
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference

    

    
MAX1281BCUP
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference

    

    

    

    


    


    

    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
MAX1280BCUP
功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

    

    
MAX1280BCUP+
功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

    

    
MAX1280BCUP+T
功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

    

    
MAX1280BCUP-T
功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

    

    
MAX1280BEUP
功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32

    

    
    
    
    
	
    	
    
    
     
     
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