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    參數(shù)資料
    型號: LTC1657LIGN
    廠商: Linear Technology
    文件頁數(shù): 1/16頁
    文件大?。?/td> 0K
    描述: IC DAC 16BIT R-R MICROPWR 28SSOP
    標準包裝: 49
    設置時間: 20µs
    位數(shù): 16
    數(shù)據(jù)接口: 并聯(lián)
    轉換器數(shù)目: 1
    電壓電源: 單電源
    功率耗散(最大): 3.25mW
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 28-SSOP(0.154",3.90mm 寬)
    供應商設備封裝: 28-SSOP
    包裝: 管件
    輸出數(shù)目和類型: 1 電壓,單極;1 電壓,雙極
    采樣率(每秒): *
    1
    LTC1657/LTC1657L
    Parallel 16-Bit Rail-to-Rail
    Micropower DAC
    s
    16-Bit Monotonic Over Temperature
    s
    Deglitched Rail-to-Rail Voltage Output: 8nVs
    s
    ICC: 650A Typ
    s
    Maximum DNL Error:
    ±1LSB
    s
    Settling Time: 20
    s to ±1LSB
    s
    Built-In Reference: 2.048V (LTC1657)
    1.25V (LTC1657L)
    s
    Internal Power-On Reset to Zero Volts
    s
    Asynchronous CLR Pin
    s
    Output Buffer Configurable for Gain of 1 or 2
    s
    Parallel 16-Bit or 2-Byte Double Buffered Interface
    s
    Narrow 28-Lead SSOP Package
    s
    Multiplying Capability
    The LTC
    1657/LTC1657L are complete single supply, rail-
    to-rail voltage output, 16-bit digital-to-analog converters
    (DAC) in a 28-pin SSOP or PDIP package. They include a
    rail-to-rail output buffer amplifier, an internal reference
    and a double buffered parallel digital interface.
    The LTC1657/LTC1657L have separate reference input
    pins that can be driven by an external reference. The full-
    scale output can be 1 or 2 times the reference voltage
    depending on how the X1/X2 pin is connected. The LTC1657
    operates from a 4.5V to 5.5V supply and has an onboard
    2.048V reference. The LTC1657L operates from a 2.7V to
    5.5V supply and has an onboard 1.25V reference.
    The LTC1657/LTC1657L are similar to Linear Technol-
    ogy Corporation’s LTC1450/LTC1450L 12-bit VOUT DAC
    family, allowing an upgrade path. They are the only
    buffered 16-bit parallel DACs in a 28-lead SSOP package
    and include an onboard reference for stand alone
    performance.
    , LTC and LT are registered trademarks of Linear Technology Corporation.
    s
    Instrumentation
    s
    Digital Calibration
    s
    Industrial Process Control
    s
    Automatic Test Equipment
    s
    Communication Test Equipment
    Differential Nonlinearity
    vs Input Code
    REFLO
    GND
    LTC1657: 4.5V TO 5.5V
    LTC1657L: 2.7V TO 5.5V
    LTC1657:
    0V TO 4.096V
    LTC1657L:
    0V TO 2.5V
    16-BIT
    DAC
    R
    25
    REFHI
    REFOUT
    22
    24
    23
    X1/X2
    21
    20
    26
    1657 TA01
    VOUT
    VCC
    D15 (MSB)
    19
    18
    17
    16
    15
    14
    13
    12
    11
    10
    9
    8
    7
    6
    5
    4
    3
    1
    2
    28
    27
    D8
    D7
    DATA IN FROM
    MICROPROCESSOR
    DATA BUS
    FROM
    MICROPROCESSOR
    DECODE LOGIC
    FROM
    SYSTEM RESET
    D0 (LSB)
    +
    REFERENCE
    LTC1657: 2.048V
    LTC1657L: 1.25V
    16-BIT
    DAC
    REGISTER
    POWER-ON
    RESET
    LDAC
    CLR
    WR
    CSMSB
    CSLSB
    LSB
    8-BIT
    INPUT
    REGISTER
    MSB
    8-BIT
    INPUT
    REGISTER
    DESCRIPTIO
    U
    FEATURES
    APPLICATIO S
    U
    BLOCK DIAGRA
    W
    DIGITAL INPUT CODE
    0
    16384
    32768
    49152
    65535
    DIFFERENTIAL
    NONLINEARITY
    (LSB)
    1657 TA02
    1.0
    0.8
    0.6
    0.4
    0.2
    0
    –0.2
    –0.4
    –0.6
    –0.8
    –1.0
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    參數(shù)描述
    LTC1657LIGN#PBF 功能描述:IC DAC 16BIT R-R MICROPWR 28SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:1 電壓電源:單電源 功率耗散(最大):55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP(0.209",5.30mm 寬) 供應商設備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流,單極;1 電流,雙極 采樣率(每秒):*
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