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    參數(shù)資料
    

    


    


    
型號(hào)：
LTC2435

    

    
廠商：
Linear Technology Corporation

    

    
英文描述：
20-Bit No Latency ADCs with Differential Input and Differential Reference

    

    
中文描述：
20位無與差分輸入和差分ADC的參考延遲

    

    
文件頁數(shù)：
1/40頁

    

    
文件大?。?/td>
463K

    

    
代理商：
LTC2435


    

    

    

	
    
    
    

    
    
	
    LTC2435/LTC2435-1
    20-Bit No Latency 
    Σ
    TM
    ADCs with Differential Input and
    Differential Reference
    DESCRIPTIO
    U
    1
    24351fa
    ■
     2
    ×
     Speed Up Version of the LTC2430: 15Hz Output
    Rate, 60Hz Notch—LTC2435; 13.75Hz Output Rate,
    Simultaneous 50Hz/60Hz Notch—LTC2435-1
    ■
     Differential Input and Differential Reference with
    GND to V
    CC
     Common Mode Range
    ■
     3ppm INL, No Missing Codes
    ■
     10ppm Gain Error
    ■
     0.8ppm Noise
    ■
     Single Conversion Settling Time for Multiplexed
    Applications
    ■
     Internal Oscillator—No External Components
    Required
    ■
     Single Supply 2.7V to 5.5V Operation
    ■
     Low Supply Current (200
    μ
    A,4
    μ
    A in Auto Sleep)
    ■
     20-Bit ADC in Narrow SSOP-16 Package
    (SO-8 Footprint)
    The LTC
    2435/2435-1 are 2.7V to 5.5V micropower
    20-bit differential 
    Σ
     analog to digital converters with
    integrated oscillator, 3ppm INL and 0.8ppm RMS noise.
    They use delta-sigma technology and provide single cycle
    settling time for multiplexed applications. Through a
    single pin, the LTC2435 can be configured for better than
    110dB input differential mode rejection at 50Hz or 60Hz
    ±
    2%, or it can be driven by an external oscillator for a user
    defined rejection frequency. The LTC2435-1 can be con-
    figured for better than 87dB input differential mode rejec-
    tion over the range of 49Hz to 61.2Hz (50Hz and 60Hz
    ±
    2% simultaneously). The internal oscillator requires no
    external frequency setting components.
    The converters accept any external differential reference
    voltage from 0.1V to V
    CC
     for flexible ratiometric and
    remote sensing measurement configurations. The full-
    scale differential input range is from –0.5V
    REF
     to 0.5V
    REF
    .
    The reference common mode voltage, V
    REFCM
    , and the
    input common mode voltage, V
    INCM
    , may be indepen-
    dently set anywhere within the GND to V
    CC
     range of the
    LTC2435/LTC2435-1. The DC common mode input rejec-
    tion is better than 120dB.
    The LTC2435/LTC2435-1 communicate through a flexible
    3-wire digital interface which is compatible with SPI and
    MICROWIRE
    TM
     protocols.
    , LTC and LT are registered trademarks of Linear Technology Corporation.
    No Latency 
     is a trademark of Linear Technology Corporation.
    MICROWIRE is a trademark of National Semiconductor Corporation.
    Protected by U.S. Patents including 6140950, 6169506.
    V
    CC
    F
    O
    REF
    +
    REF
    –
    SCK
    IN
    +
    IN
    –
    GND
    SDO
    CS
    2
    14
    3
    4
    13
    5
    6
    12
    1, 7, 8, 9, 10, 15, 16
    11
    REFERENCE
    VOLTAGE
    0.1V TO V
    CC
    ANALOG INPUT RANGE
    –0.5V
    REF
     TO 0.5V
    REF
    = INTERNAL OSC/50Hz REJECTION (LTC2435)
    = EXTERNAL CLOCK SOURCE
    = INTERNAL OSC/60Hz REJECTION (LTC2435)
    = INTERNAL 50Hz/60Hz REJECTION (LTC2435-1)
    3-WIRE
    SPI INTERFACE
    1
    μ
    F
    2.7V TO 5.5V
    LTC2435/
    LTC2435-1
    2435 TA01
    V
    CC
    FEATURES
    TYPICAL APPLICATIO S
    APPLICATIOU
    ■
     Direct Sensor Digitizer
    ■
     Weight Scales
    ■
     Direct Temperature Measurement
    ■
     Gas Analyzers
    ■
     Strain Gage Transducers
    ■
     Instrumentation
    ■
     Data Acquisition
    ■
     Industrial Process Control
    ■
     6-Digit DVMs
    10
    8
    6
    4
    2
    0
    –2
    –4
    –6
    –8
    –10
    INPUT VOLTAGE (V)
    –2.5
    –1.5
    –0.5
    0.5
    1.5
    2435 G04
    2.5
    F
    O
     = GND
    V
    CC
     = 5V
    V
    REF
     = 5V
    V
    INCM
     = V
    INCM
     = 2.5V
    T
    A
     = –45
    °
    C
    T
    A
     = 25
    °
    C
    T
    A
     = 85
    °
    C
    I
    R
    )
    Integral Nonlinearity vs Input
    
    
    
    
    
    


    


    

    相關(guān)PDF資料
    		

    PDF描述
    		

    
    

    
LTC2435-1
20-Bit No Latency ADCs with Differential Input and Differential Reference

    

    
LTC2435-1CGN
20-Bit No Latency ADCs with Differential Input and Differential Reference

    

    
LTC2435CGN
20-Bit No Latency ADCs with Differential Input and Differential Reference

    

    
LTC2436-1IGN
2-Channel Differential Input 16-Bit No Latency DS ADC

    

    
LTC2436-1
2-Channel Differential Input 16-Bit No Latency DS ADC

    

    

    

    


    


    

    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
LTC2435-1CGN
功能描述:IC ADC DIFF I/REF 20BIT 16-SSOP 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

    

    
LTC2435-1CGN#PBF
功能描述:IC ADC DIFF I/REF 20BIT 16-SSOP 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 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6

    

    
LTC2435-1CGN#TR
功能描述:IC CONV A/D 20BIT DIFF 16-SSOP 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

    

    
LTC2435-1CGN#TRPBF
功能描述:IC ADC DIFF I/REF 20BIT 16-SSOP 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

    

    
LTC2435-1IGN
功能描述:IC CONV A/D 20BIT DIFF 16-SSOP 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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