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THAT IC

THAT 1250 Series

发布时间 : 2018-06-26 浏览次数 : 5479
  • Features / Applications / Description
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    FEATURES
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    • Good CMRR: typ. 50dB at 60Hz & 20kHz
    • Excellent audio performance
    - Wide bandwidth: > 8.6 MHz
    - High slew rate: 12 V/µs
    - Low distortion: 0.0006 % THD
    - Low noise: -106 dBu
    • Precise internal resistor matching: typ 0.5%
    • Low Current: 2 mA
    • Three gain versions: 0 dB, ± 3 dB, & ± 6 dB
    • Industry-standard pinout
    • Low cost
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    filler Datasheet Download
    1250-Series Datasheet (133 kB)
    Balanced Line Receiver ICs

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    1250 Series Basic Application Circuit

    DESCRIPTION

    The low-cost THAT 1250-series of precision differential amplifiers are designed primarily for use as audio balanced line receivers. Fabricated using THAT’s proprietary DI process, the THAT 1256 is pin compatible with the THAT 1246. the Texas Instruments INA137, and Analog Devices SSM2143, while the THAT 1250 is pin compatible with the 1246, INA134, and SSM2141. The THAT 1253 is pin-compatible with the 1243. The parts are available in models which can be configured as differential amplifiers for 0dB, +/-3dB, and +/-6dB gain.

    The 1250-series achieves its low cost by eliminating laser trimming compared to its pin-compatible relations. As a result, the 1250-seriues offers less common mode rejection and precision in its resistor ratios compared to the 1240-series (and equivalents from other manufacturers).filler

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    APPLICATIONS
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    • Balanced Audio Line Receivers
    • Instrumentation Amplifiers
    • Differential Amplifiers
    • Precision Sum and Difference Networks
    • M-S Matrices
    • Precision Rectifiers
    • Precision gain amplifiers
    • Current Shunt Monitors
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    Key Specifications (see 1250 Series datasheet for complete specifications)
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    fillerParameter
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    Symbol
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    Conditions
    Typical
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    Units
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    fillerGain
    THAT 1250
    THAT 1253
    THAT 1256
    0
    ± 3
    ± 6
    dB
    fillerCommon Mode Rejection Ratio
    CMRR
    50
    dB
    fillerInput Voltage Range
    Differential - equal &
    opposite swing
    1250
    1253
    1256
    21.5
    24.4
    27.5
    dBu
    fillerOutput Noise
    BW = 20 kHz
    1250
    1253
    1256
    -103
    -105
    -106
    dBu
    fillerTotal Harmonic Distortion
    THD
    0.0006
    %
    fillerPower Supply Voltage

    ± 3 to ± 18
    V
    fillerSupply Current
    2.0
    mA
    fillerSupply Rejection Ratio 90 dB
    fillerSmall Signal Bandwidth RL = 2kΩ, CL = 10pF 1250
    1253
    1256
    8.6
    12.2
    18
    MHz
    fillerCapacitive Load 200 (Max.) pF
  • Model Gain Package Order Number Pricing
    (1000)
    Min Order
    Quantity
    Reference
    1250 0 dB 8 pin DIP 1250P08-U $0.60 50 Request
    Samples
    8 pin SO 1250S08-U $0.52 98
    8 pin SO
    Tape & Reel
    1250S08-UR Contact us 2000
    1253 -3 dB 8 pin DIP 1253P08-U $0.60 50
    8 pin SO 1253S08-U $0.52 98
    8 pin SO
    Tape & Reel
    1253S08-UR Contact us 2000
    1256 -6 dB 8 pin DIP 1256P08-U $0.60 50
    8 pin SO 1256S08-U $0.52 98
    8 pin SO
    Tape & Reel
    1256S08-UR Contact us 2000
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    All 1250-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.
  • 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)

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


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


    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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