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    參數(shù)資料
    

    


    


    
型號(hào)：
LTC1860L

    

    
廠商：
Linear Technology Corporation

    

    
元件分類：
ADC

    

    
英文描述：
12-/16-Bit, 8-Channel 200ksps ADCs

    

    
中文描述：
12-/16-Bit，8通道高達(dá)200ksps模數(shù)轉(zhuǎn)換器

    

    
文件頁數(shù)：
12/16頁

    

    
文件大小：
314K

    

    
代理商：
LTC1860L


    

    

    

	
    
    
    

    
    
	
    LTC1863/LTC1867
    12
    18637f
    Digital Interface
    The LTC1863/LTC1867 have very simple digital interface
    that is enabled by the control input, CS/CONV. A logic
    rising edge applied to the CS/CONV input will initiate a
    conversion. After the conversion, taking CS/CONV low will
    enable the serial port and the ADC will present digital data
    in two’s complement format in bipolar mode or straight
    binary format in unipolar mode, through the SCK/SDO
    serial port.
    Internal  Clock
    The internal  clock is factory trimmed to achieve a typical
    conversion time of 3
    μ
    s and a maximum conversion time,
    3.5
    μ
    s, over the full operating temperature range. The
    typical acquisition time is 1.1
    μ
    s, and a throughput sam-
    pling rate of 200ksps is tested and guaranteed.
    Automatic Nap Mode
    The LTC1863/LTC1867 go into automatic nap mode  when
    CS/CONV is held high after the conversion is complete.
    With a typical operating current of 1.3mA and automatic
    150
    μ
    A nap mode between conversions, the power dissi-
    pation drops with reduced sample rate. The ADC only
    keeps the V
    REF
     and  REFCOMP voltages active when the
    part is in the automatic nap mode. The slower the sample
    rate allows the power dissipation to be lower (see
    Figure 5).
    R2
    R3
    REFERENCE
    AMP
    10
    μ
    F
    2.2
    μ
    F
    REFCOMP
    GND
    V
    REF
    R1
    6k
    10
    9
    15
    2.5V
    4.096V
    LTC1863/LTC1867
    1867 F04a
    BANDGAP
    REFERENCE
    10
    0.1
    μ
    F
    10
    μ
    F
    1867 F04b
    LT1019A-2.5
    V
    OUT
    V
    IN
    5V
    V
    REF
    LTC1863/
    LTC1867
    GND
    REFCOMP
    15
    9
    +
    2.2
    μ
    F
    where V
    1
     is the RMS amplitude of the fundamental fre-
    quency and V
    2
     through V
    N
     are the amplitudes of the
    second through Nth harmonics.
    Internal Reference
    The LTC1863/LTC1867 has an on-chip, temperature com-
    pensated, curvature corrected, bandgap reference that is
    factory trimmed to 2.5V. It is internally connected to a
    reference amplifier and is available at V
    REF 
    (Pin 10). A 6k
    resistor is in series with the output so that it can be easily
    overdriven by an external reference if better drift and/or
    accuracy are required as shown in Figure 4. The reference
    amplifier gains the V
    REF
     voltage by 1.638V to 4.096V at
    REFCOMP (Pin 9). This reference amplifier compensation
    pin, REFCOMP, must be bypassed with a 10
    μ
    F ceramic or
    tantalum in parallel with a 0.1
    μ
    F ceramic  for best noise
    performance.
    Figure 4b. Using the LT1019-2.5 as an External Reference
    Figure 4a. LT1867 Reference Circuit
    APPLICATIOU
    W
    U
    U
    f
    SAMPLE
     (ksps)
    1
    S
    2.0
    1.5
    1.0
    0.5
    0
    10
    100
    1000
    18637 G10
    V
    DD
     = 5V
    Figure 5. Supply Current vs f
    SAMPLE
    
    
    
    
    
    


    


    

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12-/16-Bit, 8-Channel 200ksps ADCs

    

    
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    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
LTC1860LCMS8
功能描述:IC ADC 12-BIT 1CH 150KSPS 8-MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 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:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494

    

    
LTC1860LCMS8#PBF
功能描述:IC ADC 12-BIT 1CH 150KSPS 8-MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 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:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494

    

    
LTC1860LCMS8#TR
功能描述:IC ADC 12-BIT 1CH 150KSPS 8-MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 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:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494

    

    
LTC1860LCMS8#TRPBF
功能描述:IC ADC 12-BIT 1CH 150KSPS 8-MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 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:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494

    

    
LTC1860LCS8
功能描述:IC ADC 1CH 12BT 3V 150KSPS 8SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 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:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494

    

    
    
    
    
	
    	
    
    
     
     
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