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NJM2193
PRELIMINARY
FOCUS & SRS AUDIO PROCESSOR
s 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. s PACKAGE OUTLINE
NJM2193L
s FEATURES q Operating Voltage 4.7 to 13V q Low Operating Current 6mA typ. q Low Output Noise 25Vrms typ. at FOCUS&3D Sound mode q Adjusted by Width,FOCUS,LF Elevation and Bass Compensation Volume q Independent Audio Input for Bypass MODE q Bipolar Technology q 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
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NJM2193
s ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V PD Topr Tstg RATING 15 (SDIP30)700 (SDMP30)700 -40 to +85 -50 to +150 UNIT V mW C C
s ELECTRICAL CHARACTERISTICS(V =8V,Ta=25C,VIN=-20dBV(0.1Vrms)) PARAMETER Operating Voltage Supply Current Reference Voltage Maximum Input Voltage SYMBOL V
+
+
TEST CONDITION IN OUT L R
MODE
MIN. 4.7
TYP. 8.0 6.0 4.0 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)
MAX.
UNIT V
ICC VREF VINMAX
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=0 A-Weighted Rg=0 A-Weighted Rg=0 f=20~20kHz Rg=0 A-Weighted Rg=0 f=20~20kHz Rg=0 A-Weighted Rg=0 f=20~20kHz VIN 0 VIN -VIN VIN -VIN VIN 0 VIN 0 VIN 0 VIN 0 VIN -VIN VIN -VIN 0 0 0 0 0 0 0 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 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 BYPASS 3D Sound 3D Sound FOCUS FOCUS 3D Sound +FOCUS 3D Sound +FOCUS
+
3.8 -
12.0 4.2 -94 (20.0) -86 (50.0) -
mA V
dBV (Vrms)
-17.5 (0.13) -14.5 (0.19)
Output Noise
VNOISE
-
dBV (Vrms)
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NJM2193
s ELECTRICAL CHARACTERISTICS PARAMETER Total Harmonic Distortion SYMBOL THD 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. -1.0 15.0 -2.0 8.5 12.0 2.0 0.0 TYP. 0.005 0.005 0.04 0.1 0.0 17.0 0.0 10.5 14.0 27.0 MAX 0.02 % FOCUS 3D Sound +FOCUS BYPASS 3D Sound 3D Sound FOCUS FOCUS 3D Sound +FOCUS 0.5 1.0 19.0 2.0 12.5 16.0 V
+
MODE BYPASS 3D Sound
UNIT
f=1kHz
BYPASS Gain 3D Sound(L-R) Gain 3D Sound(L+R) Gain FOCUS Gain1 FOCUS Gain2 PROCESS Gain MODE Select Control Voltage
GVBYP GVS1 GVS2 GVF1 GVF2 GVP VIH VIL
f=1kHz f=150Hz f=150Hz f=70Hz f=15kHz f=15kHz High Level Low Level
dB dB dB dB dB dB V
0.7
sMODE SWICH BYPASS 3D Sound FOCUS 3D Sound+ FOCUS MODE1 L H L H MODE2 L L H H
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NJM2193
s 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
s BLOCK DIAGRAM
SRS Rch OUT SRS Rch IN
FOCUS Rch IN
HF Elevation Filter
FOCUS Rch OUT BYPASS FOCUS
BYPASS SRS
LF Elevation Filter
SRS Filter
Bass Compensation Filter
Bass Compensation Control
SRS BYPASS SRS Lch IN WIDTH Control SRS Lch OUT FOCUS Control
LF Elevation Filter
FOCUS BYPASS
LF Elevation Control
HF Elevation Filter
FOCUS Lch OUT
FOCUS Lch IN
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NJM2193
s TERMINAL DESCRIPTION PIN NO. SYMBOL SRSINR 1 WIDTHR 2 FOCUSINR1 5 FOCUSINR2 6 FOCUSINL2 25 FOCUSINL1 26 WIDTHL 29 SRSINL 30
EQUIVALENT CIRCUIT
V+
TERMINAL VOLTAGE
4 12 14 19 27
SRSOUTR FOCUSOUTR VREF FOCUSOUTL SRSOUTL
VREF(14pin)=1/2V+
V+
17 18
MODE2 MODE1
V+
150k
13
REFIN
V+
1/2V+
50k
50k
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NJM2193
s APLLICATION CIRCUIT
LOUT MODE1 MODE2 V+ 10u 10k LIN 10u 30 18k 2.2k WIDTH VR 2.2n 33n RIN 10u 10k 1 2 3 4 5 6 220n 3.9n 1k BC VR 10k 7 8 9 10 11 12 10u 4.7k 13 10u 10u 14 15 FOCUS VR LF VR 29 270p 10n 1.2n 220k 12k 28 27 50k NP 10u 26 220n 25 24 23 1k 100n 3.9n 22 21 10n 4.7k 100u 10u 10k 20 19 18 10k 17 16 10u
220k 12k 10u 270p 10n 1.2n NP 50k
ROUT
Vref
q Width Control q LF Elevation Control q FOCUS Control q Bass Compensation Control
: 10kB, : 1kB, : 50kB, : 10kB,
Dual VR Dual VR Dual VR Dual VR
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NJM2193
sTYPICAL CHARACTERISTICS
NJM2193 Gain Structure
BYPASS Mode Conditions:Vin=-20dBV(100mVrms) , V+=8V
5 4 3 2 1 0 -1 -2 -3 -4 -5 10 100 1000 Frequency(Hz)
a: Lin Lout b: Rin Rout
Gain(dB)
a b
10000
100000
NJM2193 Gain Structure
3D Stereo Mode Conditions:Vin=-20dBV(100mVrms) , V+=8V WIDTH VR:MAX
20 15 Gain(dB)
b
10
a
5 0 -5 10 100 1000 Frequency(Hz)
a: Lin Lout b: L-Rin Lout c: L+Rin Lout c
10000
100000
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NJM2193
sTYPICAL CHARACTERISTICS
NJM2193 Gain Structure
FOCUS Mode Conditions:Vin=-20dBV(100mVrms)Lch,Vout=Lch,V+=8V
20 15 Gain(dB) 10 5 0 -5 10 100 1000 Frequency(Hz) 10000 100000
d c b a
a: LF VR MAX, BC VR MAX c: LF VR MIN, BC VR MAX
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.
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