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Audio & Video ICs

Dolby Virtual Speaker / Dolby Headphone with Dolby Pro Logic IIx Decoder

  • Software
  • Dolby® Pro Logic® IIx (Max 7.1ch Output)
  • Dolby® Virtual Speaker*
  • Dolby® Headphone
  • Bass Management system *
  • Pink Noise Generator
  • Multi-channel signals input (Max 7.1ch Input)
  • *:Dolby Virtual Speaker and Bass Management effective only up to 5.1 channels.
  • Hardware
  • 24bit Fixed-point Digital Signal Processing
  • Maximum Clock Frequency (12.288MHz(Standard), built-in PLL Circuit)
  • Digital Audio Interface (4 Input ports / 4 Output ports)
  • Digital Audio Format (I2S 24bit, left-justified, right-justified, BCK:32fs/64fs)
  • Master/Slave Mode (In Master mode, MCK:256fs @fs=48kHz / 384fs @fs=32kHz)
  • Microcomputer Interface (I2C Bus (Standard-mode/100kbps, Fast-mode/400kbps)/4 -Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data))
  • Operating Voltage (VDD=VDDPLL=1.8V: VDDIO=3.3V)
  • Input Terminal (5.0V Input tolerant)
  • Package Outline (SSOP44 (Pb-Free))
General Description
The NJU26226 expand stereo or 5.1 surround signal to 6.1 or 7.1 channel surround sound by DolbyR Pro LogicR IIx technology. NJU26226 provides a highly realistic multi channel speaker surround sound listening environment from as few as headphone or two speakers using DolbyR Pro Logic® IIx and Dolby® Headphone / DolbyR Virtual Speaker technology.NJU26226 is suitable for Gaming Headsets, digital TVs, stereo mini-components, PCs,and any audio/visual products.
The documents used to design audio DSP is here

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Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
44Sn2Bi188Yes-YesDry pack 12a
Sample & Buy
Part NumberPackagesStatusPacking SpecificationSampleBuy