參數(shù)資料
    型號: LTC1852CFW
    廠商: Linear Technology
    文件頁數(shù): 1/24頁
    文件大?。?/td> 0K
    描述: IC A/D CONV 8CH 10BIT 48-TSSOP
    標(biāo)準(zhǔn)包裝: 39
    位數(shù): 10
    采樣率(每秒): 400k
    數(shù)據(jù)接口: 并聯(lián)
    轉(zhuǎn)換器數(shù)目: 1
    功率耗散(最大): 15mW
    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: 48-TFSOP(0.240",6.10mm 寬)
    供應(yīng)商設(shè)備封裝: 48-TSSOP
    包裝: 管件
    輸入數(shù)目和類型: 8 個單端,單極;8 個單端,雙極;4 個差分,單極;4 個差分,雙極
    LTC1852/LTC1853
    1
    18523fa
    BLOCK DIAGRAM
    FEATURES
    APPLICATIONS
    DESCRIPTION
    8-Channel, 10-Bit/12-Bit,
    400ksps, Low Power, Sampling ADCs
    The 10-bit LTC1852 and 12-bit LTC1853 are complete
    8-channel data acquisition systems. They include a exible
    8-channel multiplexer, a 400ksps successive approxima-
    tion analog-to-digital converter, an internal reference and a
    parallel output interface. The multiplexer can be congured
    for single-ended or differential inputs, two gain ranges and
    unipolar or bipolar operation. The ADCs have a scan mode
    that will repeatedly cycle through all 8 multiplexer channels
    and can also be programmed to sequence through up to
    16 addresses and congurations. The sequence can also
    be read back from internal memory.
    The reference and buffer amplier provide pin strappable
    ranges of 4.096V, 2.5V and 2.048V. The parallel output
    includes the 10-bit or 12-bit conversion result plus the
    4-bit multiplexer address. The digital outputs are pow-
    ered from a separate supply allowing for easy interface
    to 3V digital logic. Typical power consumption is 10mW
    at 400ksps from a single 5V supply and 3mW at 250ksps
    from a single 3V supply.
    n Flexible 8-Channel Multiplexer
    Single-Ended or Differential Inputs
    Two Gain Ranges
    Unipolar or Bipolar Operation
    n Scan Mode and Programmable Sequencer
    Eliminate Conguration Software Overhead
    n Low Power: 3mW at 250ksps
    n 2.7V to 5.5V Supply Range
    n Internal or External Reference Operation
    n Parallel Output Includes MUX Address
    n Nap and Sleep Shutdown Modes
    n Pin Compatible up-grade 1.25Msps 10-Bit LTC1850
    and 12-Bit LTC1851
    n High Speed Data Acquisition
    n Test and Measurement
    n Imaging Systems
    n Telecommunications
    n Industrial Process Control
    n Spectrum Analysis
    BUSY
    DIFFOUT/S6
    A2OUT/S5
    A1OUT/S4
    A0OUT/S3
    D11/S2
    D10/S1
    D9/S0
    D8
    D7
    D6
    D5
    D4
    D3
    D2
    D1
    D0
    M1
    SHDN
    CS
    CONVST
    RD
    WR
    DIFF
    A2
    A1
    A0
    UNI/BIP
    PGA
    M0
    OUTPUT
    DRIVERS
    DATA
    LATCHES
    OGND
    18523 BD
    OVDD
    REF AMP
    REFCOMP
    REFIN
    REFOUT
    COM
    CH7
    CH6
    CH5
    CH4
    CH3
    CH2
    CH1
    CH0
    8-CHANNEL
    MULTIPLEXER
    2.5V
    REFERENCE
    INTERNAL
    CLOCK
    LTC1853
    CONTROL LOGIC
    AND
    PROGRAMMABLE
    SEQUENCER
    12-BIT
    SAMPLING
    ADC
    +
    Integral Linearity
    0
    512 1024 1536 2048 2560 3072 3584 4096
    CODE
    1.0
    0.5
    0
    –0.5
    –1.0
    INL
    ERROR
    (LSBs)
    1852 F01
    , LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
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