NJW1180

NJW1180 www.datasheet4u.com Audio Processor with SRS WOW s GENERAL DESCRIPTION The NJW1180 is an audio processor with SRS WOW. It includes all of functions processing audio signal for TV, such as volume, balance, tone control and 4ch input selector. All of internal status 2 and variables are controlled by I C BUS. s PACKAGE OUTLINE s FEATURES q Operating Voltage 8 to 13 V q SRS WOW (including SRS 3D, FOCUS and TruBass function) q Simulated Stereo q 4ch Input Selector q Volume 0 to -80dB (0.5dB/step), MUTE q Balance 0 to -30dB (1dB/step), MUTE q Tone Control -15dB to +15dB(1dB/step) 2 q I C BUS Interface q Bi-CMOS Technology q Package Outline QFP48-P1 NJW1180FP1 s BLOCK DIAGRAM FCSFIL1a FCSFIL2a Tone-Ha Tone-La TBFIL1 TBFIL2 TBFIL3 TBFIL4 TBFIL5 TBFIL6 TBFIL7 MONa AGC OUTa SDA SCL IN1a IN2a IN3a IN4a AGC SEL VOL1 Tone VOL2 CVO CBA CTH Logic CTL CSR CTB WOW/Simulated (FOCUS/TruBass/SRS 3D) VOL2 IN1b IN2b IN3b IN4b SEL VOL1 Tone VOL2 Bias CFCS V+ GND LPFOUT OUTw VREFIN RECFIL VREFOUT FCSFIL1b FCSFIL2b MONb SRSFIL1 SRSFIL2 LPF1 LPF2 Tone-Hb Tone-Lb OUTb –1– NJW1180 s PIN FUNCTION 38 www.datasheet4u.com 25 39 24 48 15 1 14 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 SYMBOL OUTw SRSFIL1 CSR FCSFIL1a FCSFIL2a CFCS IN1a IN2a IN3a IN4a MONa TONE-Ha TONE-La OUTa CTH CTL SDA SCL GND V+ VREFOUT VREFIN CVO CBA FUNCTION Sub Woofer ch Output Surround Filter Pop Noise Reduction for Surround ON/OFF Ach Focus Filte...