NJW1163

NJW1163/A AUDIO PROCESSOR with Subwoofer Output www.datasheet4u.com s GENERAL DESCRIPTION The NJW1163/A 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 NJW1163/A 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 NJW1163V NJW1163AL 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 boost level by external parts and 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 NJW1163: SSOP32 NJW1163A: SDIP32 s BLOCK DIAGRAM AGC1 SS-FIL TONE TONE -Ha -La LF1 LF2 LF3 OUTa SCL SDA ADR IN a VOL1 TONE VOL2 I2 CBUS Interface AGC eal a & Simulated Stereo CVA CVB CVW CTH CTL CSR PORT1 PORT0 AUX1 AUX0 LPF VOL2 Trimmer IN b VOL1 TONE VOL2 Bias GND V+ AGC2 SR-FIL TONE TONE -Hb -Lb OUTb OUTw Vref -1- NJW1163/A sPIN CONFIGURATION 1 www.datasheet4u.com INa SR-FIL SS-FIL TONE-Ha TONE-La OUTW OUTa AGC1 AUX0 AUX1 PORT0 PORT1 ADR SDA SCL GND INb LF2 LF3 LF1 TONE-Hb ...