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NJW1155

NJR
Part Number NJW1155
Manufacturer NJR
Description AUDIO PROCESSOR
Published Jun 23, 2010
Detailed Description P R E L I M I N ALY www.DataSheet4U.com NJW1155 AUDIO PROCESSOR with SOUND ENHANCEMENT and SRS 3D STEREO I GENERAL DE...
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NJW1155
NJW1155

Overview
P R E L I M I N ALY www.
DataSheet4U.
com NJW1155 AUDIO PROCESSOR with SOUND ENHANCEMENT and SRS 3D STEREO I GENERAL DESCRIPTION The NJW1155 is an audio processor that includes Sound enhancement (BBE) and SRS 3D Stereo.
It includes all of the audio signal processing functions for TV such as tone control, balance, volume, mute, and AGC .
The SRS 3D stereo technology reproduces 3D stereo surround sound effect using only two speakers.
The sound enhancement regenerates high definitive and nearly real sound.
2 All of internal status and variables are controlled by I C BUS interface.
I PACKAGE OUTLINE NJW1155M I FEATURES Operating Voltage 7.
5 to 13V 2 I C BUS Interface BBE Sound Enhancement (Low Boost and High Boost: 15dB max.
) AGC Circuit (It reduces volume difference among input sources.
) SRS 3D Stereo Simulated Surround Bi-CMOS Technology Package Outline SDMP30 I BLOCK DIAGRAM VOL1 BBE TONE VOL I2C Bus Interface AGC SRS 3D Stereo & Simulated Surround VOL1 BBE TONE VOL Bias - 1 - NJW1155 I PIN FUNCTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 INa BBE1a BBE2a TONEDC1a TONEDC2a TONE-Ha TONE-La OUTa AGC SRS/SS-FIL1 VOL2 INa BBEOUTa SDA SCL GND INb BBE1b BBE2b TONEDC1b TONEDC2b TONE-Hb TONE-Lb OUTb SRS-FIL2 VREF VOL2 INb BBEOUTb AUX0 AUX1 Vcc 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 www.
DataSheet4U.
com No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Symbol INa BBE1a BBE2a TONEDC1a TONEDC2a TONE-Ha TONE-La OUTa AGC SRS/SS-FIL1 VOL2 INa BBE OUTa SDA SCL GND Ach Input Function Ach BBE Filter1 (Process) Ach BBE Filter2 (Lo Contour) Ach Tone Output Ach Volume2 Input Ach Treble Filter Ach Bass Filter Ach Output AGC Filter SRS and Simulated Stereo Filter1 Ach Input From the Other Accessories Ach Output for the Other Accessories SDA Data Input (I2C BUS) SCL Data Input (I2C BUS) GND No 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Symbol Vcc AUX1 AUX0 BBE OUTb VOL2 INb VREF SRS-FIL2 OUTb TONE-Lb TONE-Hb TONEDC2b TONEDC1b BBE2b BBE1b INb Auxiliary Output1 Auxiliary Output...


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