NJM2702M

NJM2702 3D SURROUND AUDIO PROCESSOR s GENERAL DESCRIPTION The NJM2702 is a 3D surround audio processor regenerating the 3D surround sound with only two speakers. The NJM2702 is suitable for audio applications, which are speaker system for mini components, CD radio cassette, multimedia speaker systems, TV and others. s PACKAGE OUTLINE NJM2702D s FEATURES q Operating Voltage (4.7 to 13V) q Stereo mode • Stable center image with natural sound field • High quality Surround • Free speaker interval q Surround control q Internal Mode Control Switch q Bipolar Technology q Package Outline DIP14, DMP14, SSOP10 NJM2702M NJM2702V s BLOCK DIAGRAM LIN + + LOUT 3D FILTER RIN + Bypass ROUT STE REO MODE -1- NJM2702 sABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range sOPERATING VOLTAGE PARAMETER Operating Voltage SYMBOL V+ TEST CONDITION MIN. 4.7 TYP. 12.0 MAX. 13.0 UNIT V SYMBOL V + RATINGS 14 (DIP14) 500 (DMP14) 350 (SSOP10) 250 -40 to +85 -40 to +125 UNIT V mW °C °C PD Topr Tstg - sELECTRICAL CHARACTERISTICS (V+=12V,Ta=25°C unless otherwise specified) TEST CONDITION PARAMETER Operating Current SYMBOL ICC No Signal 0 0 Stereo MAX 3.0 6.0 9.0 INPUT L 0 R 0 MIN. OUTPUT MODE BYPASS VR 3.0 6.0 9.0 mA TYP. MAX. UNIT qAC CHARACTERISTICS (V+=12V,Ta=25°C, VIN=-10dBV(316mVrms), f=1kHz,RL=4.7kΩ, unless otherwise specified) TEST CONDITION PARAMETER Maximum Input Voltage SYMBOL VIM INPUT L f=1kHz T.H.D.=3% f=100Hz T.H.D.=3% Output Noise VNO Rg=0Ω A-Weighted Rg=0Ω A-Weighted Total Harmonic Distortion T.H.D f=1kHz f=1kHz Vin=-20dBV Bypass Gain GVBYP f=1kHz VIN 0 VIN 0 0 R 0 VIN 0 VIN 0 MIN. OUTPUT L R L R L R L R L R L R L R MODE VR 9.9 (3.1) -3.8 (0.6) 11.9 (3.9) -1.8 (0.8) -112 (2.5) -100 (10) 0.005 TYP. MAX. UNIT BYPASS - dBV (Vrms) -106 (5.0) -94 (20) 0.01 % Stereo MAX BYPASS - dBV (µVrms) 0 VIN 0 VIN 0 VIN 0 0 0 VIN 0 VIN 0 VIN Stereo MAX - BYPASS - - Stereo MAX - 0.1 0.5 BYPASS - -1.0 0.0 1.0 dB -2- NJM2702 qAC CHARACTERISTICS (V+=12V,Ta=25°C, VIN=-10dBV(316mVrms), f=1kHz,RL=4.7kΩ, unless otherwise specified) TEST CONDITION PARAMETER Surround Gain SYMBOL GVSUR INPUT L f=100Hz Vin=-20dBV f=100Hz Vin=-20dBV f=100Hz Vin=-20dBV VIN 0 0 VIN VIN 0 R 0 VIN VIN 0 0 VIN MIN. OUTPUT L R L R L R MODE VR TYP. MAX. UNIT Stereo MAX 10.7 12.7 14.7 Stereo MAX 8.4 10.4 12.4 dB Stereo MIN 3.6 5.6 7.6 qCONTROL CHARACTERISTICS (V+=12V,Ta=25°C unless otherwise specified) TEST CONDITION PARAMETER SYMBOL VIN= High Level VIN= Low Level INPUT L Mode Select Control Voltage R MIN. OUTPUT MODE VR 2.0 0.0 V+ V 0.7 TYP. MAX. UNIT VMODE sMODE SWITCH MODE BYPASS Stereo SW L H NOTES Input Through Surround Mode (Stereo Input) -3- NJM2702 sTERMINAL DESCRIPTION PIN NO. SYMBOL DIP14 DMP14 SSOP10 FUNCTION EQUIVALENT CIRCUIT VOLTAGE V+ V+ 31.6K 1 1 FIL Filter Input 400 V+/2 2 4 8 10 - NC Test pin V+ V+ V+ 5K 3 2 VOL Surround VR V+/2 V+ V+ V+ 5 3 VREFIN Reference Voltage Input 50k V+/2 50k -4- NJM2702 PIN NO. DIP14 DMP14 SSOP10 SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE 6 4 V+ Power Supply V+ 7 5 GND GND 0V V+ V+ V+ 9 6 SW Mode Control Switch 700 150k 0V V+ V+ 50 11 12 7 8 ROUT LOUT Rch Output Lch Output 50 V+/2 -5- NJM2702 PIN NO. DIP14 DMP14 SSOP10 SYMBOL FUNCTION EQUIVALENT CIRCUIT V+ V+ V+ VOLTAGE 13 14 9 10 RIN LIN Rch Input Lch Input V+/2 700 50k VREF -6- C1 FIL 13 NC LIN LOUT ROUT 10uF/50V 10 5 VREFIN 9 V+ 8 GND NC SW NC R1 C5 10uF/50V 10K 10uF/50V C6 11 10uF/50V C7 Lch Output Rch Output 12 Rch Input VOL NC 10uF/50V C8 LIN C9 Lch Input 14 1 0.0047uF 2 Surround VR Max Min 3 50KB sAPPLICATION CIRCUIT Parts No. R1 C1 C2,C5,C6,C7,C8,C9 4 C2 10uF/50V C3 1uF/50V 6 12V 7 C4 100uF/16V C1 1 FIL VOL 2 3 VREFIN 4 V+ 12V 6 5 GND C4 100uF/16V SW LIN RIN LOUT ROUT 0.0047uF Min Max 50K C3 1uF/50V 7 Value 10kΩ 0.0047µF 10µF 10 Tolerance 5% 5% 20% Parts No. Surround VR C2 10uF/50V C3 C4 C9 10uF/50V C8 9 8 10uF/50V C7 10uF/50V C6 Lch Input Rch Input Lch Output Rch Output R1 10uF/50V C5 10K 10uF/50V Value 1µF 100µF Tolerance 20% 20% NJM2702 -7- NJM2702 sTYPICAL CHARACTERISTICS Supply Current vs Supply Voltage V+=1 to 18V Ta=25degrees 7 Supply Current vs Ambient Temperature V+=12V 6 6 STEREO BYPASS 5.5 5 Supply Current [mA] 4 STEREO BYPASS Supply current [mA] 5 3 2 4.5 1 0 0 5 10 15 20 4 -60 -40 -20 0 20 40 60 80 100 Supply Voltage [V] Ambient Temperature [degrees] Maximum Input Voltage vs Supply Voltage (BYPASS) Vin=Lch Vout=Lch f=1KHz RL=47Kohm Rg=25ohm Ta=25degrees 15 5 Maximum Input Voltage vs Supply Voltage (STEREO) Vin=Lch Vout=Lch f=100Hz RL=47Kohm Rg=25ohm Ta=25degrees 0 Maximum Input Voltage [dBV] 10 Maximum Input Voltage [dBV] -5 5 -10 0 -15 -5 2 4 6 8 10 12 14 -20 2 4 6 8 10 12 14 Supply Voltage [V] Supply Voltage [V] Output Noise vs Ambient Temperature V+=12V Vin=GND Vout=Lch -90 -90 Output Noise vs Ambient Temperature V+=12V Vin=GND Vout=Rch -95 STEREO -95 STEREO Output Noise [dBV] -105 BYPASS -110 Output Noise [dBV] -100 -100 -105 BYPASS -110 -115 -115 -120 -60 -40 -20 0 20 40 60 80 100 -120 -60 -40 -20 0 20 40 60 80 100 Ambient Temperature [degrees] Ambient Temperature [deg] -8- NJM2702 sTYPICAL CHARACTERISTICS Total Harmonic Distortion vs Input Voltage (BYPASS) V+=12V f=100Hz RL=47Kohm Rg=25ohm BW=10 to 80KHz 10 10 Total Harmonic Distortion vs Input Voltage (BYPASS) V+=12V f=1KHz RL=47Kohm Rg=25ohm BW=10 to 80KHz 1 1 Ta=25deg 0.1 Ta=-40deg THD+N [%] THD+N [%] Ta=85deg Ta=85deg 0.1 Ta=25deg Ta=-40deg 0.01 0.01 0.001 -50 -40 -30 -20 -10 0 10 20 0.001 -50 -40 -30 -20 -10 0 10 20 Input Voltage [dBV] Input Voltage [dBV] Total Harmonic Distortion vs Input Voltage (STEREO) V+=12V f=100Hz RL=47Kohm Rg=25ohm BW=10 to 80KHz 10 10 Total Harmonic Distortion vs Input Voltage (STEREO) V+=12V f=1KHz RL=47Kohm Rg=25ohm BW=10 to 80KHz 1 1 THD+N [%] Ta=85deg Ta=25deg Ta=-40deg 0.1 THD+N [%] Ta=85deg Ta=25deg Ta=-40deg 0.1 0.01 -50 -40 -30 -20 -10 0 10 0.01 -50 -40 -30 -20 -10 0 10 Input Voltage [dBV] Input Voltage [dBV] Voltage Gain vs Frequency Response (BYPASS) 3 Voltage Gain vs Frequency Response (BYPASS) V+=12V Vin=-10dBV Rch Vout=Rch RL=47Kohm Rg=25ohm 3 V+=12V Vin=-10dBV Lch Vout=Lch RL=47Kohm Rg=25ohm 2 2 Ta=-40deg Ta=25deg Ta=85deg 0 Ta=-40deg V oltage Gain [dB] V oltage Gain [dB] 1 1 Ta=25deg Ta=85deg 0 -1 -1 -2 -2 -3 10 100 1000 10 4 10 5 -3 10 100 1000 10 4 10 5 Frequency [Hz] Frequency [Hz] -9- NJM2702 sTYPICAL CHARACTERISTICS Voltage Gain vs Frequency Response (STEREO) V+=12V Vin=-20dBV Lch Vout=Lch RL=47Kohm Rg=25ohm 14 15 Voltage Gain vs Frequency Response (STEREO) V+=12V Vin=-20dBV Lch Vout=Rch RL=47Kohm Rg=25ohm 12 Ta=-40deg 10 Ta=25deg Ta=85deg 10 Ta=-40deg. 5 Ta=25deg. Ta=85deg. 0 V oltage Gain [dB] 8 6 Input Voltage [dB] 5 -5 4 -10 2 -15 0 -2 10 100 1000 10 4 -20 10 10 100 1000 10 4 10 5 Frequency [Hz] Frequency [Hz] Voltage Gain vs SW Control Voltage V+=12V Vin=-10dBV Lch f=100Hz Vout=Lch BYPASS --> STEREO 6.1 14 DC Offset Voltage vs Ambient Temperature V+=12V Vout=Lch 12 Ta=85deg. Ta=25deg. 8 Ta=-40deg. 6 4 6.05 BYPASS STEREO 10 DC Offset Voltage [V] Voltage Gain [dB] 6 2 5.95 0 -2 0 0.5 1 1.5 2 2.5 5.9 -60 -40 -20 0 20 40 60 80 100 Control Voltage [V] Ambient Temperature [degrees] DC Offset Voltage vs Ambient Temperature V+=12V Vout=Rch 6.1 6.05 BYPASS STEREO DC Offset Voltage [V] 6 5.95 5.9 -60 -40 -20 0 20 40 60 80 100 Ambient Temperature [degrees] [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. - 10 -