NJW1176

NJW1176 AUDIO PROCESSOR with Subwoofer Output www.datasheet4u.com s GENERAL DESCRIPTION The NJW1176 is a sound processor with subwoofer output includes all of functions processing audio signal for TV, such as tone control, balance, volume, mute, and AGC functions. Also the NJW1176 includes the LPF for subwoofer output and bass boost function. The original surround system reproduces natural surround sound and clear vocal orientation. 2 All of internal status and variables are controlled by I C BUS interface. s PACKAGE OUTLINE NJW1176L NJW1176M s FEATURES q Operating Voltage 7.5 to 13V q 3ch Output (Lch, Rch, Subwoofer ch) / 2ch Output(Lch, Rch) q LPF Filter (Adjustable cut off frequency by external parts) q AGC Circuit (It reduces volume difference among input sources.) 2 Adjustable AGC compression level by I C BUS q eala(NJRC Original Surround System) q Simulated Stereo 2 q I C BUS Interface q Bi-CMOS Technology q Package Outline SDIP30, SDMP30, SSOP32 NJW1176V s BLOCK DIAGRAM AGC SUR TONETONE TONE SUR - FIL OUTa INa -Ha -La LF1 LF2 LF3 OUTa SCL SDA IN a VOL1 TONE VOL2 AGC eala & Simulated Stereo I2C BUS Interface CVA CVB CVW CTH CTL LPF VOL2 Trimmer IN b VOL1 TONE VOL2 Bias AUX1 AUX0 GND V+ SUR TONE TONE TONE -INb -Hb -Lb OUTb - OUTb OUTw Vref -1- NJW1176 sPIN CONFIGURATION (SDIP30, SDMP30) 1 www.datasheet4u.com INa CVW LF1 SUR OUTa TONE INa TONE-Ha TONE-La OUTa AGC SUR-FIL CVB CVA SDA SCL GND INb LF2 LF3 SUR OUTb TONE INb TONE-Hb TONE-Lb ...