NJW1137

NJW1137 P R E L I M I N A LY AUDIO PROCESSOR with SOUND ENHANCEMENT www.datasheet4u.com s GENERAL DESCRIPTION The NJW1137 is an audio processor with sound enhancement (BBE). It includes all of functions processing audio signal for TV, such as tone control, balance, volume, mute, NJRC original surround, and AGC functions. The NJRC original surround system reproduces natural surround sound and clear vocal orientation. The sound enhancement regenerates high definitive and nearly real sound. 2 All of internal status and variables are controlled by I C BUS interface. s PACKAGE OUTLINE NJW1137L NJW1137M 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 AGC Circuit (It reduces volume difference among input sources.) q eala(NJRC Original Surround) q Simulated Surround q Bi-CMOS Technology q Package Outline SDIP30, SDMP30 s BLOCK DIAGRAM VOL1 BBE TONE VOL2 AGC eala & Sim ulated Surround I2C Bus Interface VOL1 BBE TONE VOL2 Bias - 1 –F NJW1137 s PIN FUNCTION www.datasheet4u.com 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 INa BBE1a BBE2a BBEOUTa TONE INa TONE-Ha TONE-La OUTa AGC SS-FIL CVB CVA SDA SCL GND INb BBE1b BBE2b BBEOUTb TONE INb TONE-Hb TONE-Lb OUTb SR-FIL VREF CTH CTL AUX0 AUX1 Vcc 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Symbol INa BBE1a BBE2a BBE OUTa TONE INa TONE-Ha TONE-La OUTa AGC SS-FIL CVB CVA SDA SCL GND Ach Input Function Ach BBE...