NJM2193 PRELIMINARY FOCUS & SRS AUDIO PROCESSOR ■ GENERAL DESCRIPTION The NJM2193 is a FOCUS & SRS audio processor, based on SRS FOCUS and 3D Stereo technology. It is capable of raising sound and regenerating 3D sound field. The NJM2193 is suitable for car audio, projection TV, home stereo applications, and others. ■ PACKAGE OUTLINE NJM2193L ■ FEATURES ● Operating Voltage 4.7 to 13V ● Low Operating Current 6mA typ. ● Low Output Noise 25µVrms typ. at FOCUS&3D Sound mode ● Adjusted by Width,FOCUS,LF Elevation and Bass Compensation Volume ● Independent Audio Input for Bypass MODE ● Bipolar Technology ● Package Outline SDIP30, SDMP30 NJM2193M The SRS, FOCUS technology rights incorporated in the NJM2193 are owned by SRS Labs, a U.S. Corporation and licensed to New Japan Radio Co., Ltd. SRS, FOCUS are protected under U.S. and foreign patents issued and/or pending. SRS, FOCUS and the ,are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2193, 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 NJM2193 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- NJM2193 ■ ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage Power Dissipation SYMBOL + V PD Operating Temperature Range Storage Temperature Range RATING 15 (SDIP30)700 (SDMP30)700 -40 to +85 -50 to +150 Topr Tstg UNIT V mW °C °C + ■ ELECTRICAL CHARACTERISTICS(V =8V,Ta=25°C,VIN=-20dBV(0.1Vrms)) PARAMETER SYMBOL Operating Voltage Supply Current Reference Voltage Maximum Input Voltage V Output Noise -2- TEST CONDITION IN OUT L R MODE MIN. TYP. MAX. UNIT 4.7 8.0 - 6.0 12.0 mA 3.8 4.0 4.2 V + ICC VREF VINMAX VNOISE No Signal + V /2 F=1kHz THD=3% f=150Hz THD=3% f=1kHz THD=3% f=15kHz THD=3% f=1kHz THD=3% f=15kHz THD=3% f=1kHz THD=3% f=15kHz THD=3% f=1kHz THD=3% Rg=0Ω A-Weighted Rg=0Ω A-Weighted Rg=0Ω f=20~20kHz Rg=0Ω A-Weighted Rg=0Ω f=20~20kHz Rg=0Ω A-Weighted Rg=0Ω f=20~20kHz VIN 0 VIN -VIN VIN -VIN VIN 0 VIN 0 VIN 0 VIN 0 VIN -VIN VIN -VIN 0 VIN -VIN VIN -VIN VIN 0 VIN 0 VIN 0 VIN 0 VIN -VIN VIN -VIN VIN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R BYPASS - 3D Sound 3D Sound FOCUS FOCUS 3D Sound +FOCUS 3D Sound +FOCUS 3D Sound +FOCUS 3D Sound +FOCUS -17.5 (0.13) -14.5 (0.19) BYPASS - 3D Sound - 3D Sound - FOCUS - FOCUS - 3D Sound +FOCUS 3D Sound +FOCUS - 7.5 (2.4) -9.0 (0.35) -3.0 (0.71) -6.5 (0.47) -5.0 (0.56) -15.5 (0.17) -12.5 (0.24) -19.5 (0.11) -16.0 (0.16) -113 (2.2) -108 (4.0) -104 (6.0) -94 (20.0) -92 (25.0) -92 (25.0) -90 (35.0) V - dBV (Vrms) -94 (20.0) -86 (50.0) - dBV (µVrms) NJM2193 ■ ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Total Harmonic Distortion THD f=1kHz BYPASS Gain 3D Sound(L-R) Gain 3D Sound(L+R) Gain FOCUS Gain1 GVBYP FOCUS Gain2 GVF2 PROCESS Gain MODE Select Control Voltage GVP GVS1 GVS2 GVF1 f=1kHz f=150Hz f=150Hz f=70Hz f=15kHz f=15kHz CONDITION IN OUT L R VIN L 0 R 0 VIN VIN L 0 R 0 VIN VIN L 0 R 0 VIN L VIN 0 R 0 VIN L VIN 0 R 0 VIN L VIN -VIN R -VIN VIN VIN L VIN R VIN VIN L VIN 0 R 0 VIN L VIN 0 R 0 VIN L VIN -VIN R -VIN VIN MIN. TYP. MAX BYPASS - 0.005 0.02 3D Sound - 0.005 - MODE UNIT % FOCUS - 0.04 - 3D Sound +FOCUS - 0.1 0.5 BYPASS -1.0 0.0 1.0 dB 3D Sound 15.0 17.0 19.0 dB 3D Sound -2.0 0.0 2.0 dB FOCUS 8.5 10.5 12.5 dB FOCUS 12.0 14.0 16.0 dB 3D Sound +FOCUS - 27.0 - dB VIH High Level - - - - 2.0 - V VIL Low Level - - - - 0.0 - 0.7 + V ■MODE SWICH BYPASS 3D Sound FOCUS 3D Sound+ FOCUS MODE1 L H L H MODE2 L L H H -3- NJM2193 ■ PIN FUNCTION 30 16 1 15 1.SRSINR 2.WIDTHR 3.SRSFILTERR 4.SRSOUTR 5.FOCUSINR1 6.FOCUSINR2 7.LFOUTR 8.LFINR 9.HFINR 10.BCOUT 11.BCIN 12.FOCUSOUTR 13.REFIN 14.VREF 15.GROUND 16.V+ 17.MODE2 18.MODE1 19.FOCUSOUTL 20.LPFIN 21.LPFOUT 22.HFINL 23.LFINL 24.LFOUTL 25.FOCUSINL2 26.FOCUSINL1 27.SRSOUTL 28.SRSFILTERL 29.WIDTHL 30.SRSINL ■ BLOCK DIAGRAM SRS Rch OUT FOCUS Rch IN SRS Rch IN HF Elevation Filter BYPASS LF Elevation Filter SRS SRS Filter SRS Lch IN WIDTH Control SRS Lch OUT -4- Bass Compensation Control FOCUS LF Elevation Filter BYPASS FOCUS Control FOCUS Lch IN BYPASS FOCUS Bass Compensation Filter SRS FOCUS Rch OUT LF Elevation Control HF Elevation Filter BYPASS FOCUS Lch OUT NJM2193 ■ TERMINAL DESCRIPTION PIN NO. SYMBOL SRSINR 1 WIDTHR 2 FOCUSINR1 5 FOCUSINR2 6 FOCUSINL2 25 FOCUSINL1 26 WIDTHL 29 SRSINL 30 4 12 14 19 27 SRSOUTR FOCUSOUTR VREF FOCUSOUTL SRSOUTL 17 18 MODE2 MODE1 EQUIVALENT CIRCUIT TERMINAL VOLTAGE V+ VREF(14pin)=1/2V+ V+ V+ 150k 13 REFIN V+ 1/2V+ 50k 50k -5- NJM2193 ■ APLLICATION CIRCUIT LOUT MODE1 MODE2 V+ 10u 10k LIN 50k 270p 10n 1.2n 10u NP 10u 220k 12k 30 29 28 27 1k 100n 3.9n 220n 26 10u 25 24 23 4.7k 10n 100u 10k 10u 10k 22 21 20 19 18 17 16 9 10 11 12 13 14 15 18k 2.2k WIDTH VR FOCUS VR LF VR 2.2n 33n 1 RIN 10u 10k 2 3 4 5 220k 12k 10u 270p 10n 1.2n NP 50k 6 7 8 220n 10u 3.9n 1k BC VR 10u 10k 4.7k ROUT ● Width Control ● LF Elevation Control ● FOCUS Control ● Bass Compensation Control -6- : 10kB, : 1kB, : 50kB, : 10kB, Dual VR Dual VR Dual VR Dual VR 10u Vref NJM2193 ■TYPICAL CHARACTERISTICS NJM2193 Gain Structure Gain(dB) BYPASS Mode Conditions:Vin=-20dBV(100mVrms) , V+=8V 5 4 3 2 1 0 -1 -2 -3 -4 -5 a b 10 100 1000 10000 100000 Frequency(Hz) a: Lin → Lout b: Rin→ Rout NJM2193 Gain Structure 3D Stereo Mode Conditions:Vin=-20dBV(100mVrms) , V+=8V WIDTH VR:MAX 20 Gain(dB) 15 b 10 a 5 0 c -5 10 100 1000 10000 100000 Frequency(Hz) a: Lin → Lout b: L-Rin → Lout c: L+Rin → Lout -7- NJM2193 ■TYPICAL CHARACTERISTICS NJM2193 Gain Structure FOCUS Mode Conditions:Vin=-20dBV(100mVrms)Lch,Vout=Lch,V+=8V 20 Gain(dB) 15 10 c 5 b a 0 d -5 10 100 1000 Frequency(Hz) a: LF VR MAX, BC VR MAX c: LF VR MIN, BC VR MAX 10000 100000 b: LF VR MAX, BC VR MIN d: LF VR MIN, BC VR 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. -8-