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THAT IC

THAT 1570

發(fā)布時間 : 2018-06-27 瀏覽次數(shù) : 3872
  • Features / Applications / Description
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    FEATURES

    • Low Noise: 1nV/√Hz input noise (60 dB gain)
    • Low Noise at Unity Gain: -109 dBu
    • Low THD+N:
       0.0005% @ 30 dB gain
       0.0008% @ 40 dB gain

    • Low Current: 7.5 mA typ
    • Wide Bandwidth: 4.2 MHz @ 40dB gain
    • High Slew Rate: 53 V/µs
    • Wide Signal Swing: >28.7 dBu (±18V supplies)
    • Gain adjustable from 0 to > 60 dB
    • Differential output
    • Small 4x4mm QFN16 package
    • Mates with THAT5171 Digital Preamplifier Controller or
       THAT5173 Digital Preamplifier Controller
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    filler Datasheet Download
    1570 Datasheet (130 kB)
    Low-Noise Differential Audio Preamplifiers

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    THAT 1570 Basic Application Circuit

    DESCRIPTION

    The THAT1570 is a versatile, high performance current-feedback amplifier suitable for differential microphone preamp and bus summing applications. The IC comes in a small QFN package, which saves PCB space over discrete and other integrated solutions.

    Gain is adjusted via three external resistors (RA, RB, and RG), making it possible to optimize noise over a wide range of gains. The 1570 supports the traditional approach to gain control (viz., THAT's 1510 or 1512) by fixing RA and RB, and varying RG to control gain. However, the 1570 also supports varying all three resistors simultaneously with a dual-gang potentiometer, or a switched resistor network. This flexible approach enables the designer to optimize noise over a wider range of gains than is possible with fixed RA and RB.

    The 1570 is designed to mate perfectly with THAT's 5171 and 5173 Digital Preamplifier Controller ICs. Along with the 1570, these switched resistor networks provide optimized, digitally controlled audio preamplifiers.
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    APPLICATIONS
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    • Digitally-Controlled Microphone Preamplifiers
    • Differential Low-Noise Preamplifiers
    • Differential Summing Amplifiers
    • Differential Variable-Gain Amplifiers
    • Microphone Preamplifiers
    • Moving-Coil Transducer Amplifiers
    • Line Input Stages
    • Audio
    • Sonar
    • Instrumentation 
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    Key Specifications (see 1570 datasheet for complete specifications)
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    fillerParameter
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    Conditions
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    1570
    Typical
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    Units
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    fillerEquivalent Input Noise
    0 dB gain
    60 dB gain
    18.5
    1
    nV/√Hz
    fillerTotal Harmonic Distortion 0 dB gain
    20 dB gain
    40 dB gain
    60 dB gain
    0.0005
    0.0005
    0.0008
    0.006
    %
    fillerBandwidth -3dB (small signal) 0 dB gain
    20 dB gain
    40 dB gain
    60 dB gain
    12
    10.5
    4.2 
    600

    MHz
    MHZ
    MHZ
    kHz

    fillerSlew Rate 53 V/µs
    fillerSupply Voltage Maximum
    Minimum
    ± 18
    ± 5
    V
    fillerSupply Current No signal 7.5 mA
  • Model Package Order Number Pricing
    (1000)
    Min Order
    Quantity
    Reference
    1570 16 pin QFN 1570N16-U $4.79 92 Request
    Samples
    16 pin QFN
    Tape & Reel
    1570N16-UR Contact us 2000
    1570/5171
    Demo Board
    1570/5171-DEMO $250.00 1
    1570/5173
    Demo Board
    1570/5173-DEMO $250.00 1
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    All 1570 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 140   Input and Output Circuits for THAT Preamplifier ICs (244k)


    More Analog Secrets Your Mother Never Told You (915k)

    A sequel to our popular first "Analog Secrets" seminar, this new presentation exposes more design secrets including “extreme performance” microphone preamps, protecting audio inputs/outputs during phantom power faults, and maintaining high dynamic range in low cost applications.

  • Microphone Preamplifier Selector

    A side by side comparison of the features and specifications of our microphone preamplifier ICs.


    1570/5171 and 1570/5173 Digitally-Controlled Mic Preamp Demo Boards - A THAT Digitally-Controlled Mic Preamp Demo Board (US$250) allows developers to evaluate the performance of the THAT1570 / THAT5171 or THAT1570 / THAT5173 chipset. The demo board provides a balanced audio input on a Neutrik "combo" connector with 48V phantom power, and a balanced audio output on XLR and ¼" TRS connectors. The supplied graphical user interface (GUI) controls all functions in the 5171 or 5173 chip via USB. A prototyping area is available for adding or modifying circuitry. See the 1570/5171-DEMO Datasheet or the 5173-DEMO Datasheet for more information.


    1570 Surface Mount Adapter Board - For our integrated circuits which are only available in surface mount packages THAT Corporation offers adapter boards which allow one of these surface-mount ICs to interface to a circuit board via traditional thru-hole mounting. These adapters make it easy for a design engineer to evaluate our surface-mount products on a prototype board without having to employ SMT technology. Adapter boards are available to qualified applicants.


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


    1570 Material Data Declaration Sheet

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

天津康宸科技有限公司

電話:022-24210736;022-24130028

傳真:022-24130020

E-Mail:[email protected]

QQ: 3523896966

地址:天津市河?xùn)|區(qū)六緯路99號津東大廈D座105室

郵編:300171

版權(quán)所有 Copyright(C)2019-2022 天津康宸科技有限公司  備案號:津ICP備2023001599號
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