NJM2704

www.DataSheet4U.com NJM2704 3D SURROUND AUDIO PROCESSOR FOR HEADPHONE s GENERAL DESCRIPTION The NJM2704 is a high quality 3D surround audio processor designed for headphone applications. It includes mode control switches for surround function and standby function and realizes low consumption power design by standby function. In addition to SSOP14, ultra small and thin package FFP12 (Flip-chip Fine Package) is applied. It is suitable for portable telephone, PDA and any portable audio applications. s PACKAGE OUTLINE NJM2704V NJM2704PB1 s FEATURES q Operating Voltage q Low Operating Current 1.8 to 6V 0.45mA typ. (at Active mode) 0.1µA typ. (at Standby mode) q Low Output Noise 10µV typ. (at Surround mode, VR: max.) q Variable Surround Effect by external resistor q Internal Mode Control Switch q Bipolar Technology q Package Outline SSOP14, FFP12 s PIN CONFIGURATION 9 8 7 10 11 12 6 5 4 1 2 3 (FFP12) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. VREF MODE SW RIN LIN STANDBY SW LOUT ROUT NFL NFR V+ DNC GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. STANDBY SW LIN RIN MODE SW VREF GND NC DNC V+ NFR NFL ROUT LOUT NC (SSOP14) -1- www.DataSheet4U.com NJM2704 s BLOCK DIAGRAM NFR 9 3D FILTER V+ 10 3D FILTER NFL 8 ROUT 7 STEREO BYPASS 6 STEREO BYPASS LOUT DNC 11 BIAS 5 STANDBY S W GND 12 4 LIN 1 VREF 2 MODE SW 3 RIN -2- www.DataSheet4U.com NJM2704 SYMBOL V + sABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage...