NJW1133A

NJW1133A AUDIO PROCESSOR www.datasheet4u.com sGENERAL DESCRIPTION The NJW1133A is an audio processor. It includes all of functions processing audio signal for TV, such as tone control, balance, volume, mute, and AGC(Auto Gain Control) functions. 2 All of internal status and variables are controlled by I C BUS interface. sPACKAGE OUTLINE sFEATURES q Operating Voltage 8 to 13V 2 q I C BUS Interface q AGC Circuit (It reduces volume difference among input sources.) q Matrix Surround q Bi-CMOS Technology q Package Outline SDMP30 sBLOCK DIAGRAM NJW1133AM AGC1 OUT1a IN2a TONE TONE –Ha –La PS OUT2a CTH CTL IN1a Volume 1 Tone (Bass/Treble) Volume 2 CVA CVB Control Logic AGC Matrix Surround AUX0 AUX1 SDA IN1b Volume 1 Tone (Bass/Treble) SCL Volume 2 Bias GND Vcc AGC2 OUT1b IN2b TONE TONE –Hb –Lb OUT2b VREF -1- NJW1133A sPIN FUNCTION www.datasheet4u.com 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 IN1a NC NC OUT1a IN2a TONE-Ha TONE-La OUT2a AGC1 AGC2 CVB CVA SDA SCL GND IN1b NC NC OUT1b IN2b TONE-Hb TONE-Lb OUT2b PS 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 IN1a NC NC OUT1a IN2a TONE-Ha TONE-La OUT2a AGC1 AGC2 CVB CVA SDA SCL GND Ach Input No Connected No Connected Function No 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Symbol Vcc AUX1 AUX0 CTL CTH VREF PS OUT2b TONE-Lb TONE-Hb IN2b OUT1b NC NC IN1b Supply Voltage Auxiliary Output1 Auxiliary Output0 Function Ach Output for the Ot...