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    參數(shù)資料
    

    


    


    
型號(hào)：
LTC1277CS

    

    
廠商：
LINEAR TECHNOLOGY CORP

    

    
元件分類：
ADC

    

    
英文描述：
12-Bit, 10mW, 100ksps ADCs with 1uA Shutdown

    

    
中文描述：
1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24

    

    
封裝：
0.300 INCH, PLASTIC, SO-24

    

    
文件頁數(shù)：
1/20頁

    

    
文件大?。?/td>
411K

    

    
代理商：
LTC1277CS


    

    

    

	
    
    
    

    
    
	
    1
    LTC1274/LTC1277
    12-Bit, 10mW, 100ksps
    ADCs with 1
    μ
    A Shutdown
    U
    A
    O
    PPLICATI
    Single 5V Supply, 10mW, 100kHz, 12-Bit ADC
    TYPICAL
    S
    FEATURE
    D
    The LTC
    1274/LTC1277 are 8
    μ
    s sampling 12-bit A/D
    converters which draw only 2mA (typ) from single 5V or
    ±
    5V supplies. These easy-to-use devices come complete
    with a 2
    μ
    s sample-and-hold, a precision reference and an
    internally trimmed clock. Unipolar and bipolar conversion
    modes add to the flexibility of the ADCs.
    Two power-down modes are available in the LTC1277. In
    Nap mode, the LTC1277 draws only 180
    μ
    A and the instant
    wake-up from Nap mode allows the LTC1277 to be pow-
    ered down even during brief inactive periods. In Sleep
    mode only 1
    μ
    A will be drawn. A REFRDY signal is used to
    show the ADC is ready to sample after waking up from
    Sleep mode. The LTC1274 also provides the Sleep mode
    and REFRDY signal.
    The A/D converters convert 0V to 4.096V unipolar inputs
    from a single 5V supply or 
    ±
    2.048V bipolar inputs from
    ±
    5V supplies.
    The LTC1274 has a single-ended input and a 12-bit
    parallel data format. The LTC1277 offers a differential
    input and a 2-byte read format. The bipolar mode is
    formatted as 2’s complement for the LTC1274 and offset
    binary for the LTC1277.
    U
    ESCRIPTIO
    I
     Low Power Dissipation: 10mW
    I
     Sample Rate: 100ksps
    I
     Samples Inputs Beyond Nyquist, 72dB S/(N + D)
    and 82dB THD at f
    IN
     = 100kHz
    I
     Single Supply 5V or 
    ±
    5V Operation
    I
     Power Shutdown to 1
    μ
    A in Sleep Mode
    I
     180
    μ
    A Nap Mode (LTC1277) with Instant Wake-Up
    I
     Internal Reference Can Be Overdriven
    I
     Internal Synchronized Clock
    I
     0V to 4.096V or 
    ±
    2.048V Input Ranges (1mV/LSB)
    I
     24-Lead SO Package
    , LTC and LT are registered trademarks of Linear Technology Corporation.
    Supply Current vs Sample Rate with
    Sleep and Nap Modes
    10000
    C
    REF
     = 4.7
    μ
    F
    SAMPLE RATE (Hz)
    S
    μ
    A
    1000
    100
    10
    1
    0.1
    1k
    100k
    LTC1274/77  TA02
    10
    1
    10k
    100
    WITHOUT SLEEP OR NAP
    NAP = 5V
    (SLEEP MODE)
    NAP = REFRDY
    (SLEEP MODE)
    NAP MODE
    U
    S
    A
    O
    PPLICATI
    I
     Battery-Powered Portable Systems
    I
     High Speed Data Acquisition for PCs
    I
     Digital Signal Processing
    I
     Multiplexed Data Acquisition Systems
    I
     Audio and Telecom Processing
    I
     Spectrum Analysis
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    24
    23
    22
    21
    20
    19
    18
    17
    16
    15
    14
    13
    A
    IN+
    A
    IN–
    V
    REF
    AGND
    REFRDY
    SLEEP
    NAP
    D7
    D6
    D5
    D4
    DGND 
    V
    DD
    V
    SS
    BUSY
    CS
    RD
    CONVST
    HBEN
    V
    LOGIC
    D0/8
    D1/9
    D2/10
    D3/11
    LTC1277
    0.1
    μ
    F
    +
    10
    μ
    F
    ANALOG
    DIFFERENTIAL INPUTS
    (0V TO 4.096V)
    2.42V
    V
    REF
     OUTPUT
    10
    μ
    F
    0.1
    μ
    F
    5V
    8-BIT
    PARALLEL
    BUS
    μ
    P
    CONTROL
    LINES
    OPTIONAL 3V SUPPLY
    TO INTERFACE WITH 3V 
    PROCESSOR
    LTC1274/77  TA01
    +
    
    
    
    
    
    


    


    

    相關(guān)PDF資料
    		

    PDF描述
    		

    
    

    
LTC1275AC
Phase Locked Loop 14-TSSOP -20 to 75

    

    
LTC1276BC
12-Bit, 300ksps Sampling A/D Converters with Reference

    

    
LTC1276BCN
12-Bit, 300ksps Sampling A/D Converters with Reference

    

    
LTC1273AC
12-Bit, 300ksps Sampling A/D Converters with Reference

    

    
LTC1273ACN
12-Bit, 300ksps Sampling A/D Converters with Reference

    

    

    

    


    


    

    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
LTC1277CSW
功能描述:IC A/D CONV 12BIT W/SHTDN 24SOIC 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:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極

    

    
LTC1277CSW#PBF
功能描述:IC A/D CONV 12BIT W/SHTDN 24SOIC 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:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極

    

    
LTC1277CSW#TR
功能描述:IC ADC 12BIT SAMPL SHTDWN 24SOIC 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:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極

    

    
LTC1277CSW#TRPBF
功能描述:IC A/D CONV 12BIT W/SHTDN 24SOIC 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:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極

    

    
LTC1277ISW
功能描述:IC A/D CONV 12BIT W/SHTDN 24SOIC 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:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個(gè)單端，單極；1 個(gè)單端，雙極

    

    
    
    
    
	
    	
    
    
     
     
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