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THAT IC

THAT 1240 Series

发布时间 : 2018-06-26 浏览次数 : 492
  • Features / Applications / Description
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    FEATURES
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    • High CMRR: typ. 90 dB at 60 Hz
    typ 85 dB at 20kHz
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    • Excellent audio performance
    - Wide bandwidth: > 8.6 MHz
    - High slew rate: 12 V/µs
    - Low distortion: 0.0006 % THD
    - Low noise: -106 dBu
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    • Extremely precise internal resistor matching: typ 0.005%
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    • Low Current: 2 mA
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    • Three gain versions:
    0 dB, ± 3 dB, & ± 6 dB
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    • Industry-standard pinout
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    filler Datasheet Download
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    1240-Series Datasheet (135 kB)
    Balanced Line Receiver ICs

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    1240 Series Basic Application Circuit

    DESCRIPTION

    The THAT 1240-series of precision differential amplifiers are designed primarily for use as audio balanced line receivers. Fabricated using THAT’s proprietary DI process, the THAT 1246 is drop-in compatible with the TI INA137 and Analog Devices SSM2143, while the THAT 1240 is pin compatible with the INA134 and the SSM2141. The parts are available in models which can be configured as differential amplifiers for 0dB, +/-3dB, and +/-6dB gain. The internal precision-trimmed thin film resistors enable a wide variety of circuits that are virtually impossible to build with discrete components.

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    APPLICATIONS
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    • Balanced Audio Line Receivers
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    • Instrumentation Amplifiers
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    • Differential Amplifiers
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    • Precision Sum and
    Difference Networks
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    • M-S Matrices
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    • Precision Rectifiers
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    • Precision gain amplifiers
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    • Current Shunt Monitors
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    Key Specifications (see 1240 Series datasheet for complete specifications)
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    fillerParameter
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    Symbol
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    Conditions
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    Typical
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    Units
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    fillerGain
    THAT 1240
    THAT 1243
    THAT 1246
    0
    ± 3
    ± 6
    dB
    fillerCommon Mode Rejection Ratio
    CMRR
    60 Hz
    20 kHz
    90
    85
    dB
    fillerInput Voltage Range
    Differential - equal & opposite swing
    1240
    1243
    1246
    21.5
    24.4
    27.5
    dBu
    fillerOutput Noise
    BW = 20 kHz
    1240
    1243
    1246
    -104
    -105
    -106
    dBu
    fillerTotal Harmonic Distortion
    THD
    0.0006
    %
    fillerPower Supply Voltage

    ± 3 to ± 18
    V
    fillerSupply Current
    2.0
    mA
  • Model Gain Package Order Number Pricing
    (1000)
    Min Order
    Quantity
    Reference
    1240 0 dB 8 pin DIP 1240P08-U $1.75 50 Request
    Samples
    8 pin SO 1240S08-U $1.62 98
    8 pin SO
    Tape & Reel
    1240S08-UR Contact us 2000
    1243 3 dB 8 pin DIP 1243P08-U $1.75 50
    8 pin SO 1243S08-U $1.62 98
    8 pin SO
    Tape & Reel
    1243S08-UR Contact us 2000
    1246 6 dB 8 pin DIP 1246P08-U $1.75 50
    8 pin SO 1246S08-U $1.62 98
    8 pin SO
    Tape & Reel
    1246S08-UR Contact us 2000
    1240
    Demo
    Board
    1240DEMO $100.00 1  
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    All 1240-Series parts are RoHS compliant.
    Minimum order quantity (MOQ) is one tube or one reel. Parts must be ordered in multiples of the MOQ.
    Samples are available to qualified applicants.
    Pricing is subject to change.

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  • Design Note 133   Achieving Optimum CMRR with Differential Input A/D Converters (53k)


    Design Note 140   Input and Output Circuits for THAT Preamplifier ICs (244k)

  • 1240 Series Device Model - Our SPICE macro models allow modeling of the important parameters of our ICs.


    1240 Series Demo Board - The THAT 1240 Demonstration System (US$100) allows an engineer to test the performance of a THAT 1240 series IC quickly and easily. The 1240 Demo Board is self-contained circuit board with XLR connectors for signal input and output and a 3-pin header for connection to an external regulated DC power supply (not included). See the 1240 Demo Datasheet for more information.


    Part Number Cross Reference - A chart of THAT part numbers cross-referenced to other IC manufacturers.


    Line Receiver Selector - A side by side comparison of the features and specifications of our input stage ICs.


    Harsh Environment Packaging - TT Semiconductor repackages THAT Corporation’s IC products in ruggidized plastic for the medical, aerospace, defense, and heavy industrial marketplaces.


    1240 Series Material Data Declaration Sheet

    Material Data Declaration Sheets (MDDS) disclose the hazardous materials in our integrated circuits as required by the European RoHS directive.

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