SRS CS Auto & CSII 5.1 & TruSurround XT Decoder

Data Sheet

NJU26208 Data Sheet

Features

–Software–
SRS Circle Surround Automotive for Car Audio
5.1-Channel signal outputs by Circle Surround II 5.1
2-Channel outputs by SRS TruSurround XT
Rich low frequency reproduction by TruBass
Speaker sound elevation by Focus
Generating 5.1-channel outputs from mono signal by Mono-To-Stereo function
–Hardware–
24bit Fixed-point Digital Signal Processing
Maximum Clock Frequency (12.288MHz(Standard), built-in PLL Circuit)
Digital Audio Interface (4 Input ports / 3 Output ports)
Digital Audio Format (I²S, Left- justified, Right-justified, 16/18/20/24 bit, BCK : 32/64fs)
Master / Slave Mode (In Master mode, MCK = 256fs, MCK2 = 512fs)
Serial Host Interface (I²C-Bus (Standard-mode/100kbps, Fast-mode/400kbps) : 4-Wire Serial Bus (Clock, Enable, Input data, Output data))
Power Supply (V_DD = V_DDPLL = 1.8V : V_DDIO = 3.3V)
Input terminal (5.0V Input tolerant)
Package Outline (SSOP44 (Pb-Free))

General Description

The NJU26208 is a digital signal processor that provides the function of Circle Surround Automotive / Circle Surround II 5.1 /TruSurroundXT and Mono-to-Stereo.The NJU26208 processes the stereo matrix-encoded signal into spacious sound of 5.1channels by Circle Surround II 5.1. Also non matrix-encoded audio signal can be processed into effective spacious sound.The decoded 2-channel signal can be converted into spacious 2-channel virtual surround output by the TruSurroundXT technology.The applications of NJU26208 are suitable for multi-channel products such as DVD Receivers, AV Amplifiers, TV, Car Audio or ordinary audio products such as small speakers system.

The documents used to design audio DSP is here

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