Dolby Virtual Speaker / Dolby Headphone Decoder
NJU26220
Dolby Virtual Speaker / Dolby Headphone Decoder
General Description
The NJU26220 simulates a highly realistic...
Description
NJU26220
Dolby Virtual Speaker / Dolby Headphone Decoder
General Description
The NJU26220 simulates a highly realistic 5.1-speaker surround sound listening environment from as few as two speakers or headphone by Dolby® Virtual Speaker/Dolby®Headphone technology. 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.
■Package
NJU26220FR3
Features
-Software 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 (Digital Audio Delay)
-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 Input Terminal
: VDD = VDDPLL = 1.8V : VDDIO = 3.3V : 5.0V Input tolerant
Package
: LQFP48-R3 (Pb-Free)
* The detail hardware specification of the NJU26220...
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