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THAT IC

THAT 1583/5263

发布时间 : 2018-06-27 浏览次数 : 360
  • Features / Applications / Description
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    FEATURES

    • Versatile two-chip solution: 
     - 1583 Programmable analog gain block 
     - 5263 Digital gain controller
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    • Accommodates full pro audio levels
      +27.8 dBu max input with ±17V supplies
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    • Programmable gain: 0 to 51 dB in 3 dB steps
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    • Low Noise: -125.5 dBu EIN, 51 dB gain, Rs=150 Ω 
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    • Low THD+N: < 0.003 % @ 24 dB gain
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    • Integrated zero crossing detector minimizes switching noise
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    • Daisy Chainable SPI control interface
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    • Two general purpose outputs (GPOs)
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    • Small footprint: 
       4 x 4 mm QFN16 (1583) 
       5 x 5 mm QFN24 (5263)

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    Product Datasheets Download
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    5263 Datasheet (443 kB)
    Digital Mic Preamp Controller
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    1583 Datasheet (190 kB)
    Differential Audio Preamplifier
    Demo Board Datasheet & Software
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    5263-DEMO Datasheet 
    (776 kB PDF file)
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    5263-DEMO Software 
    (4.2 MB ZIP file)
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    THAT 1583/5263 Digital Microphone Preamp Circuit

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    DESCRIPTION

    The THAT1583 and THAT5263 ICs enable digitally controlled microphone preamplifier applications with unprecedented performance. Operating on maximum ±17V supplies, the chipset accepts pro audio input levels (+27.8 dBu max) without an input pad. Gain is adjustable from 0dB to 51dB in 3dB increments. The 5263’s built-in zero-crossing detector and other patent-pending techniques for reducing zipper noise enable very smooth and silent gain changes.

    Two general purpose outputs on the 5263 can be connected to a variety of peripheral functions, e.g. input pad, phantom power switches, signal routing switches, LED indicators, etc. Separating the analog mic pre front end (THAT1583) from the digital functions and switched resistor ladder (THAT5263) allows each IC to be optimized for high performance.
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    Key Specifications (see the 5263 and 1583 datasheets for complete specifications)
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    Conditions
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    1583/5263
    Combination

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    Units
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    fillerAnalog Supply Voltage Referenced to AGND ±5 to ±17 V
    fillerDigital Supply Voltage Referenced to DGND 3.3 V
    fillerAnalog Supply Current No Signal 7.8 mA
    fillerDigital Supply Current No Signal 5.0 uA
    fillerMax Differential Input Level ±17 volt supplies, 0 dB gain 27.8 dBu
    fillerMax Differential Output Level ±17 volt supplies 29.6 dBu
    fillerEquivalent Input Noise,
    fillerRs = 150 Ω, BW = 22kHz
    0 dB gain
    21 dB gain
    51 dB gain

    -96.0
    -115.0

    -125.5

    dBu
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    fillerf = 1kHz, Vout = 24dBu
    fillerBW = 22kHz
    24 dB gain
    0.003
    %
    filler Bandwidth (small signal)
    fillerCL = 10pF
    0 dB gain
    21 dB gain
    51 dB gain
    4
    3.5
    580
    MHz
    MHz
    kHz
    fillerSlew Rate, 
    fillerVout = 10Vpp, CL = 10pF
    fillerG = 21 dB
    38 V/µs
    fillerDynamic Range
    fillerRs = 150 Ω, BW = 22kHz
    Power supply voltage: ±17V
    0 dB gain
    21 dB gain
    51 dB gain

    123.8
    123.6
    104.1

    dB
  • Model Package Order Number Pricing
    (1000)
    Min Order
    Quantity
    Reference
    1583 16 pin QFN 1583N16-U $3.21* 92 Request
    Samples
    16 pin QFN
    Tape & Reel**
    1583N16-UR 2000
    5263 24 pin QFN 5263N24-U 46
    24 pin QFN
    Tape & Reel**
    5263N24-UR 2000
    5263
    Demo Board
    5263-DEMO $250.00 1

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    All 1583 and 5263 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.

    * Price per channel and when 1583 and 5263 are purchased as a pair. Pricing varies when purchased separately.

    **There is a small additional charge for tape and reel packaging.

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

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