Dolby Virtual Speaker / Dolby Headphone Decoder

Data Sheet


  • Dolby ® Virtual Speaker
  • Dolby®Headphone
  • Dolby®Pro Logic®II (Max 5.1ch Output)
  • Multi-channel signals input (Max 5.1ch Input)
  • Monitor Output
  • Lip-Sync Delay function (Lip-Sync Delay function)
  • 24 Bit Digital Signal Processing
  • External Clock Frequency (12.288MHz PLL Internal)
  • Digital Audio Interface (4 Inputs / 4 Outputs)
  • Micro Controller Interface (I2 C Bus Interface(Fast-mode / 400kbps)/Serial Interface(4-Wire))
  • Operating Voltage (Core:1.8V, I/O:3.3V (5.0V Input tolerant))
  • Package Outline (LQFP48-R3(Pb free))

General Description

The NJU26220 provides 5.1 surround sound from two speakers or headphones by Dolby Virtual Speaker and Dolby Headphone.The NJU26220 processes the Dolby Virtual Speaker and Dolby Headphone technology that combined with Pro Logic II processing. It includes Pro Logic II decoder. Moreover, multi-channel signal inputs from an external decoder are possible.It is suitable for digital TVs, stereo mini-components, PCs, and any audio/visual products.
The documents used to design audio DSP is here

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Related Data

Package Information

Part NumberPackage OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJU26220FR3LQFP48-R348Sn2Bi187Yes-YesDry pack 12a

Sample & Buy

Part NumberPackagesStatusPacking SpecificationSampleBuy
NJU26220FR3LQFP48-R3(Active)Contact UsSales Support