NJM2192AM

NJM2192A PRELI M I NARY SRS TruBass Bass Enhancement Processor sGENERAL DESCRIPTION The NJM2192A is a Bass Enhancement Processor, based on SRS TruBass technology. The NJM2192A eliminates the need for large speakers to create low frequency fundamental tones, and it enhances and complements subwoofer performance. The NJM2192A is suitable for audio applications which are speaker system for mini components, CD radio cassette, multimedia speaker systems, TV and others. sPACKAGE OUTLINE NJM2192AL NJM2192AM sFEATURES qOperating Voltage 4.7 to 13V qPunch Control qInternal Bass Gain Control Switch qBypass Function (Through) qInternal Mode Switch qExternal Adjustment for Speaker Size (Small, Medium, Large) qBipolar Technology qPackage Outline SDIP30, SDMP30 The TruBass technology right incorporated in the NJM2192A are owned by SRS Labs, a U.S. Corporation and licensed to New Japan Radio Co., Ltd. TruBass is protected under U.S. and foreign patents issued and/or pending. TruBass and the , are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2192A, nor the corresponding sale of audio enhancement equipment conveys the right to sell commercialized recordings made with any SRS technology. SRS Labs requires that all users of the NJM2192A must enter into a license agreement directly with SRS Labs if the royalty is not included in the purchase price. SRS Labs also requires any users to comply with all rules and regulations as outlined in the SRS Trademark Usage Manual. For further information, please contact: SRS Labs, Inc. 2909 Daimler Street. Santa Ana, CA 92705 USA Tel:949-442-1070 Fax:949-852-1099 http://www.srslabs.com - 1 –A NJM2192A sPIN CONFIGURATION 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. FILOUT FIL1 FIL2 FIL3 FIL4 FIL5 FIL6 FIL7 PCOUT PCIN FIL8 FIL9 C1 C2 GND 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. V+ VREFOUT VREFIN GAINSW MODE2 MODE1 BASSOUT OUTR OUTL BASSINR INR BASSINL INL C3 C4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 sTruBass BLOCK DIAGRAM MODE SW OUTL INL 50K VREF INR a b c a b c 50K VREF BASSINL OUTR GAIN SW 50K VREF a b c BYPASS BASS2 BASS1 BASSOUT +6dB BASSINR Filter ✼ () 50K VREF VCA +6dB Punch VR VREF (✼) Set the speaker size. sSPEAKER SIZE SETTING The standard setting of speaker size is as follows.(Reference) •Large Mode : fo ≤ 80Hz •Medium Mode : 80Hz < fo ≤ 150Hz •Small Mode : 150Hz < fo ≤ 250Hz Set the speaker size by TruBass effect of your application. -2- NJM2192A sABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V PD Topr Tstg + + RATING 15 700 -40 to +85 -40 to +125 UNIT V mW °C °C sELECTRICAL CHARACTERISTICS (V =12V,Ta=25°C,VIN=-20dBV(100mVrms), Speaker Size : Medium) TEST CONDITION PARAMETER SYMBOL IN L R 0 0 0 0 VIN VIN VIN VIN VIN 0 OUT L MODE BYPASS BASS1 BASS2 - PUNCH VR MAX MAX - MIN. TYP. MAX. UNIT Operating Voltage Supply Current V + No Signal 0 0 0 4.7 6.6 6.6 6.6 5.8 10.7 (3.1) -6.3 (0.5) -4.7 (0.6) - 12.0 11.6 11.6 11.6 6.0 11.7 (3.8) -4.3 (0.6) -2.7 (0.7) -105 (5.6) -94 (20.0) 13.0 16.6 16.6 16.6 6.2 - V ICC mA Reference Voltage Maximum Input Voltage VREF VIM V /2 f=1kHz THD=3% f=100Hz THD=3% Gain “L” f=100Hz THD=3% Gain “L” + 0 VIN VIN VIN VIN VIN 0 V BYPASS R L BASS1 MAX - dBV (Vrms) R L BASS2 MAX -98 (12.6) -88 (40.0) R L R L BYPASS Output Noise VNO Rg=0Ω A-Weighted Rg=0Ω A-Weighted Gain ”L” - dBV (uVrms) 0 VIN - 0 R VIN VIN VIN VIN VIN VIN L BASS2 MAX - Total Harmonic Distortion THD f=1kHz VIN =-10dBV f=100Hz Gain “L” f=100Hz Gain “L” BYPASS - - 0.005 0.01 R L BASS1 VIN VIN VIN VIN MAX - 0.1 1.0 % R L BASS2 MAX - 0.1 1.0 R L BYPASS BYPASS Gain GVBYP f=1kHz VIN - - -1.0 0.0 1.0 dB R -3- NJM2192A sELECTRICAL CHARACTERISTICS (V =12V,Ta=25°C,VIN=-20dBV(100mVrms), Speaker Size : Medium ) + TEST CONDITION PARAMETER SYMBOL IN f=100Hz Gain “L” f=100Hz Gain “L” f=100Hz Gain “H” f=100Hz Gain “L” f=100Hz Gain “H” VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN - OUT L MODE PUNCH VR MIN. TYP. MAX. UNIT BASS Gain GVBASS BASS1 MAX 11.2 13.2 15.2 R L BASS1 MIN -18.4 -14.4 -10.4 R L BASS1 MAX 15.7 17.7 19.7 dB R L BASS2 MAX 12.8 14.8 16.8 R L BASS2 MAX - 16.6 2.0 0.0 18.6 - 20.6 V + R V 0.7 Switch Control Voltage VIH VIL 19,20,21pin 19,20,21pin sMODE SWITCH FUNCTION MODE1 BYPASS (a) BASS1 (c) BASS2 (b) L H H MODE2 L H NOTES Input Through Low Frequency Content of TruBass TruBass Mode (2) (1) (1) BASS1:The output signal is low frequency content of TruBass derived from the stereo audio signal. (2) BASS2:TruBass Mode. sBASS INPUT AMP GAIN SWITCH FUNCTION To Increase the TruBass effect with the GAIN Switch. GAIN Gain Low Gain High L H NOTES Normal Position Gain +6dB -4- NJM2192A sINPUT TERMINAL OPERATING INSTRUCTION NJM2192As input equip 4 terminals INL(28pin), INR(26pin), BASSINL(27pin) and BASSINR(25pin). “Normal Setting” Short INL and BASSINL, INR and BASSINR at the normal TruBass mode. Lch input INL BASSINL OUTL OUT TruBass output signal Rin input NJM2192A INR BASSINR “Connect to the other surround ICs(TruSurround, SRS, etc.)” If NJM2192A is used with the other surround ICs, the low frequency signal is possible to be amplified by the other surround ICs. Then the audio stereo signal input into the BASSIN L/R, and the other surround signal input into INL/R. Lch input Passive Matrix TruSurround NJM2188 etc. INL BASSINL INR BASSINR OUTL OUT NJM2192A Rch input “Adjust TruBass effect” Insert an attenuator before the BASSIN L/R if necessary. Lch input RA RB INL OUTL 50kΩ OUTR BASSINL 50kΩ VREF () Input attenuator ✼ Rch input RA RB NJM2192A INR 50kΩ 50kΩ BASSINR VREF (✼) Set the attenuator : (RA+RB)≥50kΩ -5- NJM2192A sPIN DESCRIPTION NO. SYMBOL FUNCTION EQUIVALENT CIRCUIT V+ V+ VOLTAGE 10 29 PCIN C3 PUNCH Control VR V+/2 Filter Input V+ V+ 3 30 FIL2 Filter Input C4 V+/2 V+ V+ V+ 1 17 22 FILOUT VREFOUT BASSOUT Filter Output Vref Output TruBass Output (Low Frequency Content) 50 50 V+/2 23 24 OUTR OUTL Rch Audio Output Lch Audio Output V+ V+ V+ 50 2 FIL1 Filter Input 50 V+/2 Vref -6- NJM2192A NO. SYMBOL FUNCTION EQUIVALENT CIRCUIT V+ V+ VOLTAGE 4 5 7 FIL3 FIL4 FIL6 50K 50K 11.6K Filter Input 50K V+/2 V+ V+ V+ 6 8 11 FIL5 FIL7 FIL8 Filter Input 150 V+/2 V+ V+ 9 12 PCOUT FIL9 PUNCH Control VR Filter Output 50 V+/2 50 V+ V+ V+ 13 C1 Filter Input 10K 0V -7- NJM2192A NO. SYMBOL FUNCTION EQUIVALENT CIRCUIT V+ V+ V+ VOLTAGE 50 14 C2 Filter Input 10K 0V V+ V+ V+ 50K 18 VREFIN Vref Input 50K V+/2 V+ V+ V+ 19 20 21 GAINSW MODE2 MODE1 Gain SW MODE2 SW MODE1 SW 150 0V 150K V+ V+ V+ 25 26 27 28 BASSINR INR Audio Input BASSINL INL 50K Vref 150 V+/2 -8- NJM2192A NO. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE 15 GND GND 0V 16 V+ V+ V+ -9- NJM2192A sBLOCK DIAGRAM MODE 1 MODE 2 OUTR BASS INL BASS INR BASS OUT VREF IN VREF OUT OUTL GAIN SW INR INL C4 C3 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 +6dB +6dB a b c a:BYPASS b:BASS2 c:BASS1 e d e d d:Nomal e:+6dB a b c FILTER FILTER GND 50K 50K FILTER MATRIX VCA 1 FIL OUT 2 FIL1 3 FIL2 4 FIL3 5 FIL4 6 FIL5 7 FIL6 8 FIL7 9 PC OUT 10 PC IN 11 FIL8 12 FIL9 13 C1 14 C2 15 GND No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 SYMBOL FILOUT FIL1 FIL2 FIL3 FIL4 FIL5 FIL6 FIL7 PCOUT PCIN FIL8 FIL9 C1 C2 GND FUNCTION Filter Output Filter Input Filter Input Filter Input Filter Input Filter Input Filter Input Filter Input Punch Control VR Punch Control VR Filter Input Filter Output Filter Input Filter Input GND No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 SYMBOL V+ VREFOUT VREFIN GAINSW MODE2 MODE1 BASSOUT OUTR OUTL BASSINR INR BASSINL INL C3 C4 FUNCTION Supply Voltage + V /2 Output + V /2 Input Gain Switch MODE2 Switch MODE1 Switch TruBass Output (1) (Low Frequency Content) Rch Output Lch Output (2) TruBass Input Rch Input (3) TruBass Input Lch Input Filter Input Filter Input (1) The BASSOUT is low frequency signal derived from the stereo audio signal. (2),(3) Refer to “sINPUT TERMINAL OPERATING INSTRUCTION” - 10 - V+ VREF R11 R4 30 1 R3 FILOUT GND C20 0.1uF C19 10uF GND Lch IN R2 29 2 R1 C1 28 3 FIL2 INL 13K H 56.2K L C3 3.09K C4 C21 0.01uF 21K R10 sAPPLICATION CIRCUIT(1) R6 R5 VREF VREF 22.1K 2.32K 37.4K L 8.87K H SW2 SW1 FIL1 C5 4 R12 FIL3 BASSINL 27 R13 26 L 5 FIL4 INR H 25 6 FIL5 BASSINR C4 7 FIL6 FIL7 0.1uF 57.6K 0.1uF 158K 0.1uF R14 107K C3 0.1uF 0.1uF C2 R15 45.3K L SW2 SW1 C18 10uF Rch IN H C6 0.1uF 24 Lch OUT C17 10uF 23 C16 10uF Lch OUT 8 Rch OUT Rch OUT C15 22 BASSOUT 10uF 21 MODE1 C14 10uF 20 MODE2 C13 10uF 19 GAINSW Min 9 PCOUT 10KB 10 PCIN FIL8 Max NJM2192A VREF PUNCH VR 0.01uF BASS OUT R9 10K R8 10K MODE1 L H MODE2 L SW 11 12 C22 SW2 SW1 Bypass C7 1uF/ C8 10uF 15 13 GND 14 GND GND BASS2 SPEAKER SIZE BASS1 FIL9 C12 C1 10uF 18 VREFIN C2 GND VREFOUT GAIN C11 10uF 17 C10 10uF 16 V+ R7 VREF 10K L H H LARGE H H - L MODE2 H L MEDIUM H V+ 12V C9 100uF L H MODE1 H L L 3 MODE SPEAKER SIZE FUNCTION SETTING SMALL NJM2192A - 11 - NJM2192A - 12 30 FILOUT GND C3 29 0.1uF GND Lch INPUT C19 10uF C20 C4 1 2 FIL1 C21 0.01uF C1 28 3 FIL2 INL 0.1uF C2 27 4 FIL3 BASSINL C18 10uF R1 C3 26 5 FIL4 INR 0.1uF Rch INPUT sAPPLICATION CIRCUIT(2) R2 25 6 0.1uF C5 C17 10uF C16 10uF C15 10uF 21 C14 10uF 11 FIL8 20 MODE2 C13 10uF 19 GAINSW C12 10uF 18 VREFIN VREFOUT GND C11 10uF 17 C10 10uF 15 16 V+ V+ 12V C22 24 7 FIL6 OUTL FIL5 BASSINR 0.1uF C4 R3 VREF R4 R5 R6 23 8 FIL7 OUTR 0.1uF Min 22 9 PCOUT BASSOUT 10KB 10 PUNCH VR PCIN MODE1 Max 0.1uF C6 Lch OUTPUT Rch OUTPUT NJM2192A VREF VREF BASS OUT R9 10K R8 10K MODE1 L H MODE2 L H GAIN R7 VREF 10K L H R 0.01uF R6 12 FIL9 C7 13 C1 1uF C8 14 10uF C2 GND R5 13K 158K LARGE 56.2K GND GND R4 21K 42K SPEAKER SIZE MEDIUM 3.09K 21K 42K SMALL 3.09K R3 R2 R1 8.87K 37.4K 107K 37.4K 8.87K 107K C9 100uF 22.1K 2.32K 32K NJM2192A sBASS1 MODE TYPICAL CHRACTERISITCS NJM2192(TruBass) GAIN STRUCTURE “Speaker Size : Small” +16 +14 +12 +10 +8 +6 +4 dB +2 +0 -2 -4 -6 -8 -10 20 50 100 200 500 Hz 1k 2k 5k 10k 20k Vin=-12.2dBV(245mVrms), Lch In ¡ Lch Out, Punch VR : MAX V+ = 12V NJM2192(TruBass) GAIN STRUCTURE “Speaker Size : Medium” +16 +14 +12 +10 +8 +6 dB +4 +2 +0 -2 -4 -6 -8 -10 20 50 100 200 500 Hz 1k 2k 5k 10k 20k Vin=-12.2dBV(245mVrms), Lch In ¡ Lch Out, Punch VR : MAX V+ = 12V - 13 - NJM2192A NJM2192(TruBass) GAIN STRUCTURE “Speaker Size : Large” +16 +14 +12 +10 +8 +6 dB +4 +2 +0 -2 -4 -6 -8 -10 20 50 100 200 500 Hz 1k 2k 5k 10k 20k Vin=-12.2dBV(245mVrms), Lch In ¡ Lch Out, Punch VR : MAX V+ = 12V - 14 - NJM2192A sBASS2 MODE TYPICAL CHRACTERISITCS NJM2192(TruBass) GAIN STRUCTURE “Speaker Size : Small” +16 +14 +12 +10 +8 +6 +4 dB +2 +0 -2 -4 -6 -8 -10 20 50 100 200 500 Hz 1k 2k 5k 10k 20k a:MAX b:MIN Vin=-12.2dBV(245mVrms), Lch In ¡ Lch Out, Punch VR a:MAX, b:MIN V+ = 12V NJM2192(TruBass) GAIN STRUCTURE “Speaker Size : Medium” +16 +14 +12 +10 +8 +6 +4 dB +2 +0 -2 -4 -6 -8 -10 20 50 100 200 500 Hz 1k 2k 5k 10k 20k a:MAX b:MIN Vin=-12.2dBV(245mVrms), Lch In ¡ Lch Out, Punch VR a:MAX, b:MIN V+ = 12V - 15 - NJM2192A NJM2192(TruBass) GAIN STRUCTURE “Speaker Size : Large” +16 +14 +12 +10 +8 +6 +4 dB +2 +0 -2 -4 -6 -8 -10 20 50 100 200 500 Hz 1k 2k 5k 10k 20k a:MAX b:MIN Vin=-12.2dBV(245mVrms) V+ = 12V Lch In ¡ Lch Out, Punch VR a:MAX, b:MIN [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. - 16 -