NJW1147A

NJW1147A www.DataSheet4U.com AUDIO PROCESSOR with BBE ViVA s GENERAL DESCRIPTION The NJW1147A is a TV audio processor with BBE ViVA High Definition 3D Sound process. BBE's traditional sound clarity enhancement technology is combined with the new ViVA 3D process to create an authentic and exciting spatial effect. BBE ViVA is compatible with news, music and movie programs as well as video games. The NJW1147A contains all necessary functions to process TV audio signal such as volume control, tone control, balance, mute, AGC and NJRC's proprietary surround sound process, eala. The eala reproduces a natural surround sound with clear vocal orientation. 2 The total modes and variables are controlled by the I C bus interface. s PACKAGE OUTLINE NJW1147AM s FEATURES q Operating Voltage 8 to 13V 2 q I C BUS Interface q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.) q BBE ViVA High Definition 3D Sound q eala (NJRC Original Surround) q AGC Circuit (It reduces volume difference among input sources.) q Simulated Surround q Bi-CMOS Technology q Package Outline SDMP30 s BLOCK DIAGRAM AGC SR FIL TONE INa Tone Tone BBE2a -Ha -La BBE1a BBEOUT OUTa CVA CVB INa VOL1 ViVA HD3D & eala & Simulated Surround VOL1 BBE TONE VOL2 V+ Bias GND BBE TONE VOL2 I2 C Bus I/F CTH CTL AUX0 AUX1 AGC SDA SCL INb SS FIL BBE1b Tone Tone BBEOUT TONE INb OUTb Vref - 1 - NJW1147A www.DataSheet4U.com s PIN FUNCTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 INa BBE1a BBE2a BBEOUTa TONE INa TONE-Ha T...