NJM2706

NJM2706 3D Surround Audio Processor with Dynamic Bass Boost s GENERAL DESCRIPTION The NJM2706 is the 3D surround audio processor with dynamic bass boost, regenerates rich sound field with only small two speakers. The NJM2706 performs NJRC original surround technology realizing natural surround sound field regarded center orientation and NJRC original dynamic bass boost technology provides graceful bass sound with low distortion. It is suitable for mini-component, CD radio-cassette, TV, speaker system and others. s PACKAGE OUTLINE NJM2706VE1 NJM2706M NJM2706L s FEATURES q Operating Voltage +4.7V to +13.0V q Wide Dynamic Range 3.1Vrms typ. q Low Output Noise 8.9µVrms typ. q "eala" 3D Surround Function (Stereo only) q Dynamic Bass Boost Function q High Frequency Compensation (f=10kHz, GV=+3dB) q Variable Surround Effect by external resistor q Internal Mode Control Switch q Bipolar Technology q Package Outline DMP24, SSOP24, SDIP30 s BLOCK DIAGRAM (DMP24, SSOP24) 24 23 22 21 20 19 18 17 16 15 14 13 L SW HP H Vref 50K 3D FILTER H L SW SW H:eala L:BYPASS SW H:eala_Bass L:BYPASS LPF VC H L SW HP 50K H L SW 1 2 3 4 5 6 7 8 9 10 11 12 50K 50K -1- NJM2706 s PIN CONFIGURATION DMP24, SSOP24 (Top View) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. LPF MIN MOUT Ca Cr BASSFIL1 BASSFIL2 BASSVRIN BASSVROUT ealaVRIN ealaVROUT GND 13. V+ 14. VREFOUT 15. VREFIN 16. SW1 17. SW2 18. ealaFIL 1...