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THAT 4315

发布时间 : 2018-06-27 浏览次数 : 3605
  • Features / Applications / Description
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    FEATURES
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    • Pre-trimmed Blackmer® Voltage Controlled Amplifier (VCA) 
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    • RMS-Level Detector
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    • Single supply operation
      Wide voltage range: 4.5V ~ 16V
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    • Low supply current:1.6 mA typ. (5V) 
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    • Wide dynamic range: 118 dB as compressor

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    Datasheet Download
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    4315 Datasheet (208 kB)
    Low-voltage Low-power Low Cost Dynamics Processor
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    4315 - 2:1 Compressor Circuit

    DESCRIPTION

    The THAT4315 is a single-chip Analog Engine optimized for low-voltage, low-power operation. Incorporating a high-performance Blackmer® voltage-controlled amplifier (VCA), RMS-level sensor, the surface mount part is aimed at battery-operated audio applications such as wireless microphones, wireless instruments and in-ear monitors. The 4315 operates from a single supply voltage down to +4.5Vdc, drawing only 1.6mA.
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    APPLICATIONS
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    • Companding noise reduction systems
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    — Wireless microphones
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    — Wireless instrument packs
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    — Wireless in-ear monitors
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    • Battery-operated dynamics processors
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    — Compressors
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    — Limiters
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    — AGCs 
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    — De-essers
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    Key Specifications (see 4315 datasheet for complete specifications)
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     Parameter
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    Conditions
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    Typical
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    Units
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     Power supply voltage

    4.5 to 16

    V

     Supply current

    5V

    1.6

    mA

     VCA

     Dynamic Range

    118

    dB

     Gain Range

    -60 to +60

    dB

     Total Harmonic Distortion

    0.07

    %

     Control Constant
     (both positive & negative- 
     sense control available)

    ± 6.2

    mV/dB

     Output Noise

    0 dB gain

    -97.5

    dBV

     RMS Detector

     Averaging Method

    Root Mean Squared (RMS)

     Output Scaling

    +6.2

    mV/dB

     Dynamic Range

    60

    dB

     Bandwidth

    > 20

    kHz

     Crest Factor

    1 dB reading error

    10

  • Model

    Package

    Order Number

    Pricing
    (1000)

    Min Order
    Quantity

    Samples

    4315

    16 Pin QSOP

    4315Q16-U

    $2.14

    98

    Request
    Samples

    16 Pin QSOP
    Tape & Reel

    4315Q16-UR

    Contact us

    2000

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      All 4315 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 for qualified applicants.
      Pricing is subject to change.
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  • Design Note 00A   Basic Compressor/Limiter Design (113k) (formerly Application Note 100A)


    Design Note 01A   The Mathematics of Log-Based Dynamic Processors (64k) (formerly Application Note 101A)


    Design Note 02  Digital Gain Control with Analog VCAs (106k) (formerly Application Note 102)


    Design Note 03  Signal Limiter for Power Amplifiers (95k) (formerly Application Note 103)


    Design Note 04   Improving Loudspeaker Signal Handling Capability (217k) (formerly Application Note 104)


    Design Note 05   A Low Parts Count, Two-Slope Compressor (78k) (Application Note 105)


    Design Note 100   A Fully Adjustable Noise Gate (69k)


    Design Note 101   Peak Detection with the THAT4301 (37k)


    Design Note 102   Adjustable Ducker using the THAT 4301 (76k)


    Design Note 107/111   A Simple Effective Soft-Knee Compressor / Limiter (81k)


    Design Note 108   Single Chip Automatic Gain Control  (73k)


    Design Note 112   LED Bar-Graph Compression Indictor (83k)


    Design Note 113   THAT4301 Gain Reduction Indicator (33k)


    Design Note 114   Adaptive Attack and Release Rates using THAT RMS Detectors (48k)


    Design Note 115   Fully Adjustable Compressor/Limiter (46k)


    Design Note 116   Techniques for Stereo Volume Control (126k)


    Design Note 117   Input Limited for ADCs (120k)


    Design Note 118   High Performance Stereo AGC (90k)


    Design Note 119   Wide Ranging dB Meter (177k)


    Design Note 125   The “One Knob Squeezer”  (90k)


    Design Note 128   What’s a PTAT Temp. Coefficient, & Where Does It Come From?  (64k)


    Design Note 131   Dealing with the PTAT Coefficient (75k)


    Design Note 132   Alternate Method of Indicating Compression (52k)

  • Analog Engine Selector

    A side by side comparison of the features and specifications of our Analog Engine dynamic processor ICs.


    4315 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.


    The History of VCAs - THAT Blackmer® VCAs are the successors to the original dbx® line of VCAs. Their development for professional audio use has a long history, and can provide some insight into the care and feeding of these essential devices.


    4305 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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