NJM2195 SRS WOW AUDIO PROCESSOR ■GENERAL DESCRIPTION The NJM2195 is a SRS WOW audio processor, based on the technology of SRS Labs, Inc. It includes SRS 3D Stereo regenerating 3D surround sound with stereo input, TruBass providing rich bass sound and FOCUS improving sound orientation. The NJM2195 is suitable for audio application such as TV, CD radio-cassette, Car Audio, speaker system for PC and others. ■FEATURES ●Operating Voltage 4.7 to 13V ●WOW Function ●Punch Control for TruBass effect ●LF Elevation Control for FOCUS effect ●Width Control for SRS 3D Stereo effect ●Bypass Function (Through) ●Internal Mode Switch ●Bipolar Technology ●Package Outline SDIP42, SOP40, QFP48 ■PACKAGE OUTLINE NJM2195L NJM2195GK1 NJM2195FJ1 The WOW technology right incorporated in the NJM2195 are owned by SRS Labs, a U.S. Corporation and licensed to New Japan Radio Co., Ltd. Purchaser of NJM2195 must sign a license for use of the chip and display of the SRS Labs trademarks. Any products incorporating the NJM2195 must be sent to SRS Labs for review. WOW is protected under U.S. and foreign patents issued and/or pending. WOW, SRS and the symbol are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2195, nor the corresponding sale of audio enhancement equipment conveys the right to sell commercialized recordings made with any SRS technology. SRS Labs requires all set makers to comply with all rules and regulations as outlined in the SRS Trademark Usage Manual separately provided. 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- NJM2195 ■PIN FUNCTION (SDIP42) 1 42 2 41 3 40 4 39 5 38 6 36 7 35 8 34 9 33 10 32 11 31 12 30 13 29 14 28 15 27 16 26 17 25 18 24 19 24 20 23 21 22 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. C3 C4 FILOUT FIL1 FIL2 FIL3 FIL4 FIL5 FIL6 FIL7 NC PCOUT PCIN C1 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. C2 SFIL1 SFIL2 SFIL3 SVOL2 SVOL1 GND V+ VREFIN VREF MODE3 MODE2 MODE1 TP1 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. BASSOUT OUTR OUTL NC TP2 FFR3 FFR2 FFR1 TP3 FFL3 FFL2 FFL1 INR INL ■PIN FUNCTION (SOP40) -2- 1 40 2 39 3 38 4 36 5 35 6 34 7 33 8 32 9 31 10 30 11 29 12 28 13 27 14 26 15 25 16 24 17 24 18 23 19 22 20 21 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. C3 C4 FILOUT FIL1 FIL2 FIL3 FIL4 FIL5 FIL6 FIL7 PCOUT PCIN C1 C2 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. SFIL1 SFIL2 SFIL3 SVOL2 SVOL1 GND V+ VREFIN VREF MODE3 MODE2 MODE1 TP1 BASSOUT 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. OUTR OUTL TP2 FFR3 FFR2 FFR1 TP3 FFL3 FFL2 FFL1 INR INL NJM2195 ■PIN FUNCTION (QFP48) 36 25 37 24 48 13 1 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. NC FIL3 FIL4 FIL5 FIL6 FIL7 PCOUT PCIN C1 C2 SFIL1 NC NC SFIL2 SFIL3 SVOL2 12 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. SVOL1 GND V+ VREFIN VREF MODE3 MODE2 NC NC MODE1 TP1 BASSOUT OUTR OUTL TP2 FFR3 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. FFR2 FFR1 TP3 NC NC FFL3 FFL2 FFL1 INR INL C3 C4 FILOUT FIL1 FIL2 NC -3- -4- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 C3 C4 FILOUT FIL1 FIL2 FIL3 FIL4 FIL5 FIL6 FIL7 PCOUT PCIN C1 C2 SFIL1 SFIL2 SFIL3 SVOL2 SVOL1 GND INL INR FFL1 FFL2 FFL3 TP3 FFR1 FFR2 FFR3 TP2 OUTL OUTR BASSOUT TP1 MODE1 MODE2 MODE3 VREF VREFIN V+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 C3 C4 FILOUT FIL1 FIL2 FIL3 FIL4 FIL5 FIL6 FIL7 NC PCOUT PCIN C1 C2 SFIL1 SFIL2 SFIL3 SVOL2 SVOL1 GND INL INR FFL1 FFL2 FFL3 TP3 FFR1 FFR2 FFR3 TP2 NC OUTL OUTR BASSOUT TP1 MODE1 MODE2 MODE3 VREF VREFIN V+ NJM2195 ■BLOCK DIAGRAM (SDIP42) 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 MODE L H L FOCUS TruBass MODE2 R L FOCUS R H TruBass 3D Stereo MODE3 L MODE2 H 3D Stereo L H L -1 H L MODE1 ■BLOCK DIAGRAM (SOP40) 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 MODE H L MODE3 H L -1 H L MODE1 NJM2195 NC TP3 FFR1 FFR2 FFR3 TP2 OUTL OUTR BASSOUT TP1 MODE1 NC ■BLOCK DIAGRAM (QFP48) 36 35 34 33 32 31 30 29 28 27 26 25 NC 37 FFL3 38 MODE FOCUS FFL2 39 FFL1 40 L R H INR 41 + + L NC 23 MODE2 22 MODE3 21 VREF 20 VREFIN 19 V+ 18 GND 17 SVOL1 16 SVOL2 15 SFIL3 14 SFIL2 13 NC + H INL 42 -1 24 + + L + MODE1 + C3 43 MODE3 H + L L+R C4 44 + − FILOUT 45 L-R MODE2 FIL1 46 H TruBass 3D Stereo L FIL2 47 1 2 3 4 5 6 7 8 9 10 11 12 NC FIL3 FIL4 FIL5 FIL6 FIL7 PCOUT PCIN C1 C2 SFIL1 NC NC 48 -5- NJM2195 ■ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage SYMBOL + V Power Dissipation PD Operating Temperature Range Storage Temperature Range Topr Tstg RATING 15 (SDIP) 700 (SOP) 700 (QFP) 450 -40 to+85 -40 to +125 UNIT V mW °C °C + ■ELECTRICAL CHARACTERISTICS ( V =12V, Ta=25°C, VIN=-20dBV (=0.1Vrms), Speaker Size :Medium) TEST CONDITION PARAMETER Operating Voltage Operating Current Reference Voltage Maximum Input Voltage Output Noise -6- SYMBOL INPUT V+ ICC MIN TYP MAX UNIT V L R OUT PUT - - - - - - - 4.7 12.0 13.0 - - - BYPASS - - - 8.7 17.4 26.1 - - - WOW - - - 8.7 17.4 26.1 - - - - - - - 5.8 6.0 6.2 MODE PUNCH WIDTH LF VR VR VR No Signal mA VREF V+/2 VIM f=1kHz THD=3% VIN - VIN L R BYPASS - - - 10.0 (3.2) 12.0 (4.0) - f=100Hz THD=3% VIN VIN VIN VIN L R TruBass MAX - - - -2.7 (0.73) - f=125Hz THD=3% VIN - VIN L R 3DSTEREO - MAX - - 0.5 (1.1) - f=125Hz THD=3% VIN VIN -VIN -VIN L R 3DSTEREO - MAX - - -5.5 (0.53) - f=10kHz THD=3% VIN - VIN L R FOCUS - - MAX - -0.8 (0.91) - f=10kHz THD=3% VIN - VIN L R WOW MAX MAX MAX -12.0 (0.25) -10.0 (0.32) - f=100Hz THD=3% VIN VIN VIN VIN L R WOW MAX MAX MAX -5.0 (0.56) -3.0 (0.71) - f=10kHz THD=3% VIN VIN -VIN -VIN L R WOW MAX MAX MAX -17.0 (0.14) -15.0 (0.18) - Rg=0Ω A-Weighted 0 0 L R BYPASS - - - - -110 (3) -100 (10) Rg=0Ω A-Weighted 0 0 L R TruBass MAX - - - -80 (100) - Rg=0Ω A-Weighted 0 0 L R 3DSTEREO - MAX - - -95 (18) - Rg=0Ω A-Weighted 0 0 L R FOCUS - - MAX - -92 (25) - Rg=0Ω A-Weighted 0 0 L R WOW MAX MAX MAX - -75 (180) -69 (350) VNO V dBV (Vrms) dBV (µVrms) NJM2195 + ■ELECTRICAL CHARACTERISTICS ( V =12V, Ta=25°C, VIN=-20dBV (=0.1Vrms), Speaker Size :Medium) TEST CONDITION PARAMETER SYMBOL Total Harmonic Distortion BYPASS Gain SRS Gain INPUT MAX R f=1kHz VIN - VIN L R BYPASS - - - - 0.005 0.01 f=100Hz VIN VIN VIN VIN L R TruBass MAX - - - 0.1 - f=1kHz VIIN - VIN L R 3DSTEREO - MAX - - 0.1 - f=1kHz VIN - VIN L R FOCUS - - MAX - 0.1 - f=1kHz VIN - VIN L R WOW MAX MAX MAX - 0.1 1.0 f=1kHz VIN - VIN L R BYPASS - - - -1.0 0.0 1.0 f=100Hz VIN VIN VIN VIN L R TruBass MAX - - 12.8 14.8 16.8 f=100Hz VIN VIN VIN VIN L R TruBass MIN - - -2.3 1.7 5.7 f=125Hz VIN - VIN L R 3DSTEREO - MAX - 9.4 11.4 13.4 f=125Hz VIN - VIN L R 3DSTEREO - MIN - -1.5 0.5 2.5 f=10kHz VIN - VIN L R FOCUS - - MAX 10.7 12.7 14.7 f=100Hz VIN - VIN L R WOW MAX MAX MAX 13.8 15.8 17.8 VIN - VIN L R WOW MAX MAX MAX 19.7 21.7 23.7 VIN=High Level 2.0 - V+ VIN=Low Level 0.0 - 0.7 THD GVBYP GSRS f=10kHz VMODE TYP L VIN=-35dBV MODE Select Control Voltage MIN OUT PUT MODE PUNCH WIDTH LF VR VR VR UNIT % dB dB V ■MODE SELECT FUNCTION MODE BYPASS TruBass 3D-STEREO FOCUS WOW MODE1 L L L H H MODE2 L H L L H MODE3 L L H L H -7- NJM2195 ■PIN DESCRIPTION No. SDIP42 11 32 SOP40 QFP48 - 1 12 13 24 25 36 37 48 SYMBOL FUNCTION NC NC NC NC NC NC NC NC Non Connect Non Connect Non Connect Non Connect Non Connect Non Connect Non Connect Non Connect EQUIVALENT CIRCUIT - V+ 2 3 5 7 17 32 38 FIL3 FIL4 FIL6 PCOUT SVOL1 FFR3 FFL3 Filter Filter Filter PUNCH Control VR WIDTH Control VR Filter Filter 50 6 7 9 11 19 32 36 V+/2 V+ V+ 8 10 8 10 4 6 FIL5 FIL7 Filter Filter -8- 12 1 8 43 PCIN C3 PUNCH Control VR Filter V+ V+/2 150 V+ 13 1 V+ 50 6 7 9 12 20 34 38 NOTE V+ V+/2 NJM2195 ■PIN DESCRIPTION No. SDIP42 SOP40 QFP48 SYMBOL FUNCTION EQUIVALENT CIRCUIT V+ 13 9 C1 V+ Filter 0V 10k 14 V+ NOTE V+ V+ 50 V+ 14 10 C2 Filter 0V 10k 15 V+ 16 17 18 15 16 17 11 14 15 SFIL1 SFIL2 SFIL3 Filter Filter Filter V+/2 V+ 19 2 5 18 2 5 16 44 47 SVOL2 C4 FIL2 V+ WIDTH Control VR Filter Filter V+ V+/2 -9- NJM2195 ■PIN DESCRIPTION No. SYMBOL FUNCTION 18 GND GND 0V 19 V+ Power Supply V+ SDIP42 SOP40 QFP48 21 20 22 21 EQUIVALENT CIRCUIT V+ V+ 50k V+ NOTE 20 VREFIN Reference Voltage Input V+ 21 28 29 30 34 40 45 VREF BASSOUT OUTR OUTL FFR1 FFL1 FILOUT Reference Voltage Output TruBass Output Rch Output Lch Output Filter Filter Filter V+/2 V+ 25 26 27 - 10 - 24 25 26 22 23 26 MODE3 MODE2 MODE1 Mode3 SW Mode2 SW Mode1 SW V+ 50 23 28 29 30 34 38 3 V+ 50 24 29 30 31 36 40 3 V+/2 50k 22 V+ V+ 0V 150 150k 23 NJM2195 ■PIN DESCRIPTION No. SDIP42 SOP40 QFP48 SYMBOL FUNCTION EQUIVALENT CIRCUIT V+ V+ 28 35 39 27 33 37 27 33 39 TP1 FFR2 FFL2 Test Pin Filter Filter NOTE V+ V+/2 150 V+ 33 37 31 35 31 35 TP2 TP3 Test Pin Test Pin - V+ 39 40 41 42 INR INL Rch Input Lch Input V+ V+/2 150 50k 41 42 V+ VREF V+ V+ 50 V+ 4 46 FIL1 Filter 50 4 V+/2 VREF - 11 - NJM2195 41 40 39 38 37 36 35 MODE3 MODE2 MODE1 Bass OUT 31 30 10µ 10µ 10µ 32 10µ 33 29 28 27 26 25 24 23 22 14 15 16 17 18 19 20 21 11 VREF 13 MAX 220p VREF 0.33µ MIN 0.47µ 0.1µ 10kB R5 0.1µ R6 R4 R1 0.1µ R3 12 0.01µ 10 0.033µ 9 1µ 8 NC 7 0.1µ 6 R2 5 0.1µ 4 0.1µ 3 0.01µ 2 0.1µ 1 10µ NJM2195L MIN PUNCH VR 10kB WIDTH VR VREF SPEAKER SIZE LARGE MEDIUM SMALL (TruBass mode only) R1 R2 R3 R4 R5 R6 56.2k 13k 158k 37.4k 8.87k 107k 21k 3.09k 42k 37.4k 8.87k 107k The standard setting of speaker size is as follows.(Reference) • Large Mode : fo ≤ 80Hz • Medium Mode : 80Hz < fo ≤ 150Hz • Small Mode : 150Hz < fo ≤ 250Hz - 12 - MAX 21k 3.09k 42k 22.1k 2.32k 32k 100µ V+(12V) 10µ 10k 10k 10k 34 TP1 100k 100k 10µ 100k 100k VREF 10µ VREF VREF 2.2k 0.1µ 2.2k Rch OUT MIN 10kB TP3 10µ 10µ 42 10k 10kB Lch OUT MIN MAX 10µ 10k 10k NC MAX TP2 10k 0.1µ Lch IN Rch IN ■APPLICATION CIRCUIT (SDIP42) NJM2195 39 38 37 36 35 34 33 MODE3 MODE2 MODE1 31 30 29 28 10µ 10µ 10µ 10µ 100µ V+(12V) 10µ 10k 10k 10k 32 TP1 100k 100k TP2 100k 100k VREF 10µ VREF VREF 2.2k 0.1µ 2.2k Bass OUT MIN 10kB TP3 10µ 10µ 40 10k 10kB Rch OUT MIN MAX 10µ 10k 10k Lch OUT MAX 10µ 10k 0.1µ Lch IN Rch IN ■APPLICATION CIRCUIT (SOP40) 27 26 25 24 23 22 21 14 15 16 17 18 19 20 11 12 13 1µ MAX VREF 0.1µ 0.1µ 10kB R5 R1 R6 R4 R3 220p MIN VREF PUNCH VR 0.33µ 10 0.01µ 9 0.47µ 8 10µ 7 0.1µ 0.1µ 6 0.1µ 5 R2 4 0.1µ 3 0.01µ 2 0.1µ 1 0.033µ NJM2195GK1 MIN 10kB MAX WIDTH VR VREF SPEAKER SIZE LARGE MEDIUM SMALL (TruBass mode only) R1 R2 R3 R4 R5 R6 56.2k 13k 158k 37.4k 8.87k 107k 21k 3.09k 42k 37.4k 8.87k 107k 21k 3.09k 42k 22.1k 2.32k 32k The standard setting of speaker size is as follows.(Reference) • Large Mode : fo ≤ 80Hz • Medium Mode : 80Hz < fo ≤ 150Hz • Small Mode : 150Hz < fo ≤ 250Hz - 13 - NJM2195 MIN 34 33 32 31 30 29 28 10µ NC 35 100k 100k TP1 36 VREF 10µ TP3 2.2k NC 27 26 25 VREF 37 24 38 23 39 Rch IN 22 40 21 41 20 42 19 MODE2 10µ 10µ 10k MODE3 10k VREF 10µ 10µ Lch IN NC 10µ NC NJM2195FJ1 10µ 43 V+(12V) 100k 100k 100µ 0.1µ 10kB 10µ MIN 10µ 10k 2.2k TP2 MAX 0.1µ 10k 10k 10kB MODE1 10k Rch OUT MAX Lch OUT 10k Bass OUT ■APPLICATION CIRCUIT (QFP48) 18 0.1µ 17 45 16 46 15 47 14 48 13 MAX 220p 44 0.01µ 10kB MIN WIDTH VR 0.47µ 0.01µ 0.1µ 6 7 8 9 10 1µ MAX R6 10kB 0.1µ 0.1µ R3 11 0.33µ NC 12 NC 5 0.033µ 4 10µ 3 0.1µ 2 0.1µ NC 1 0.1µ NC MIN VREF VREF R5 R4 R2 R1 PUNCH VR VREF SPEAKER SIZE LARGE MEDIUM SMALL (TruBass mode only) R1 R2 R3 R4 R5 R6 56.2k 13k 158k 37.4k 8.87k 107k 21k 3.09k 42k 37.4k 8.87k 107k The standard setting of speaker size is as follows.(Reference) • Large Mode : fo ≤ 80Hz • Medium Mode : 80Hz < fo ≤ 150Hz • Small Mode : 150Hz < fo ≤ 250Hz - 14 - 21k 3.09k 42k 22.1k 2.32k 32k NJM2195 ■TYPICAL CHARACTERISTICS Operating Current vs. Operating Voltage Maximum Input Voltage vs. Operating Voltage (BYPASS) Vin=Lch, Vout=Lch, f=1kHz, RL=4.7kΩ V+=1 to 15V, Ta=25oC Rg=25 Ω, Ta=25oC 20 20 Maximum Input Voltage [dBV] 15 Operating Current [mA] 15 10 WOW BYPASS 5 10 5 0 -5 0 0 2 4 6 8 10 12 -10 14 0 4 Operating Voltage [V] 12 16 Operating Voltage [V] Maximum Input Voltage vs. Operating Voltage (WOW) Total Harmonic Distortion vs. Input Voltage (BYPASS) V+=12V, Vin=Lch, Vout=Lch, f=1kHz, RL=4.7kΩ Rg=25 Ω, BW=10-80kHz Vin=Lch, Vout=Lch, f=10kHz, RL=4.7kΩ LFVR=MAX, Rg=25Ω, Ta=25oC 0 8 10 -5 -10 THD+N [%] Maximum Input Voltage [dBV] 1 -15 0.1 0.01 -20 0.001 -25 -30 0 4 8 12 0.0001 16 -40 -30 -20 -10 0 10 20 Operating Voltage [V] Input Voltage [dBV] Total Harmonic Distortion (TruBass) Total Harmonic Distotion vs. Input Voltage (3D Stereo) V+=12V, Vin=L+Rch, Vout=Lch, f=100Hz, RL=4.7kΩ Rg=25 Ω, BW=10-80kHz V+=12V, Vin=Lch, Vout=Lch, f=1kHz, RL=4.7k Ω Rg=25Ω , BW=10-80kHz 10 10 1 THD+N [%] THD+N [%] 1 0.1 0.1 0.01 0.001 0.01 -40 -30 -20 -10 Input Voltage [dBV] 0 10 -40 -30 -20 -10 0 10 20 Input Voltage [dBV] - 15 - NJM2195 ■TYPICAL CHARACTERISTICS Total Harmonic Distortion vs. Input Voltage (WOW) Frequency Responce (BYPASS) V+=12V, Vin=Lch, Vout=Lch, f=1kHz, RL=4.7kΩ Rg=25 Ω, BW=10-80kHz V+=12V, Vin=-10dBV Lch, Vout=Lch, RL=4.7kΩ Rg=25 Ω 3 10 2 1 Gain [dB] THD+N [%] 1 0 -1 0.1 -2 -3 0.01 -40 -30 -20 -10 0 10 10 100 Input Voltage [dBV] 1000 10 4 10 5 Frequency [Hz] Frequency Responce (TruBass) Freqeuncy Responce (3D Stereo) V+=12V, Vin=-20dBV L+Rch, Vout=Lch, RL=4.7kΩ VR=ALLMAX, Medium Mode, Rg=25Ω V+=12V, Vin=-20dBV Lch, Vout=L/Rch, RL=4.7kΩ VR=ALLMAX, Rg=25Ω 20 20 15 15 Lch Out Rch Out 10 Gain [dB] Gain [dB] 10 5 5 0 0 -5 -5 -10 10 100 1000 10 4 10 -10 5 10 100 Frequency [Hz] 1000 10 4 10 5 Freqeuncy [Hz] Frequency Responce (FOCUS) Frequency Responce (WOW) V+=12V, Vin=-20dBV Lch, Vout=Lch, RL=4.7kΩ Rg=25 Ω V+=12V, Vin=-20dBV Lch, Vout=L/Rch, RL=4.7kΩ VR=ALLMAX, Rg=25Ω 20 30 25 15 15 10 Gain [dB] Gain [dB] 20 5 Lch Out 10 Rch Out 5 0 0 -5 -5 10 100 1000 Frequency [Hz] - 16 - 10 4 10 5 -10 10 100 1000 Frequency [Hz] 10 4 10 5 NJM2195 [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. - 17 -