Document
www.DataSheet4U.com
NJM2191
PRERMINARY
SRS 3D Stereo & SRS HEADPHONE AUDIO PROCESSOR
sGENERAL DISCRIPTION The NJM2191 is a SRS 3D Stereo and SRS HEADPHONE audio processor. The 3D Stereo regenerates 3D surround sound with only two speakers, and also the SRS HEADPHONE provides a realistic and spacious listening experience through standard headphones. The NJM2191 is suitable for mini component, CD radio cassette, multimedia speaker system for PC and others. sPACKAGE OUTLINE
sFEATURES q Operating Voltage q Low Operating Current
NJM2191L
4.7 to 13V 10.0 mA typ. at 3D Stereo Mode 11.0mA typ. at SRS HP Mode q Low Output Noise 17.8µVrms typ.at 3D Stereo Mode 17.8µVrms typ at SRS HP Mode q Bypass Gain 0dB typ. q Sound Field Adjustment by Width Volume q Internal Mode Switch 3D Stereo / SRS HP q Bipolar Technology q Package Outline SDIP30, SDMP30
NJM2191M
The SRS 3D Stereo and HEDPHONE technology right incorporated in the NJM2191 are owned by SRS Labs, a U.S. Corporation and licensed to New Japan Radio Co., Ltd. SRS 3D Stereo and HEDPHONE is protected under U.S. and foreign patents issued and/or pending. SRS 3D Stereo and HEDPHONE and the , are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2191, 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 NJM2191 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
www.DataSheet4U.com
NJM2191
PARAMETER Operating Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V
+
sABSOLUTE MAXIMUM (Ta=25°C)
RATINGS 15 700 -40 to +85 -40 to +125 UNIT V mW °C °C
PD TOPR Tstg
sELECTRICAL CHARACTERISTICS (V+=12V, Ta=25°C, VIN=-10dBV(316mVrms), unless otherwise specification)
CONDITION PARAMETER Operating Voltage SYMBOL INPUT L V
+
R 0 0 0 0 0 VIN VIN VIN -VIN VIN -VIN
OUTPUT L R L R L R L L L R L L
MODE BYPASS 3D Stereo SRS HP 3D Stereo SRS HP BYPASS 3D Stereo BYPASS SRS HP 3D Stereo 3D Stereo 3D Stereo SRS HP SRS HP SRS HP
WIDTH VR MAX MAX MAX MAX MAX MAX MAX MAX MAX
MIN
TYP
MAX
UNIT
-
0
4.7 5.0 6.0 7.0 8.0 5.8 11.0 (3.5) 11.0 (3.5) -1.3 (0.9) 10.0 (3.2) -7.1 (0.4) -6.1 (0.5) 9.9 (3.1) -12.1 (0.2)
12.0 9.0 10.0 11.0 12.0 6.0 12.0 (4.0) 12.0 (4.0) 0.7 (1.1) 12.0 (4.0) -5.1 (0.6) -4.1 (0.6) 11.9 (3.9) -10.1 (0.3)
13.0 13.0 14.0
V
Operating Current
0 ICC No Signal 0 0
mA 15.0 16.0 6.2 V
Reference Voltage
VREF
V /2 f=1kHz T.H.D.=3% f=1kHz T.H.D.=3% f=125kHz T.H.D.=3%
+
0 VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN
Maximum Input Voltage
VIM
f=125kHz T.H.D.=3% f=125kHz T.H.D.=3% f=100Hz T.H.D.=3% f=100Hz T.H.D.=3% f=100Hz T.H.D.=3%
dBV (Vrms)
-2-
www.DataSheet4U.com
NJM2191
sELECTRICAL CHARACTERISTICS (V+=12V, Ta=25°C, VIN=-10dBV(316mVrms), unless otherwise specification)
CONDITION PARAMETER SYMBOL INPUT L 0 0 Output Noise VNOISE Rg=0Ω A-Weighted 0 0 0 VIN VIN Total Harmonic Distortion THD f=1kHz VIN VIN VIN VIN VIN VIN 3D Stereo Gain GVSRS f=125Hz VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN R 0 0 0 0 0 VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN VIN -VIN -VIN -VIN -VIN OUTPUT 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 L R L R L R MODE BYPASS 3D Stereo 3D Stereo BYPASS SRS HP SRS HP SRS HP BYPASS 3D Stereo 3D Stereo 3D Stereo BYPASS SRS HP SRS HP SRS HP SRS HP BYPASS 3D Stereo BYPASS SRS HP 3D Stereo 3D Stereo 3D Stereo SRS HP SRS HP SRS HP SRS HP WIDTH VR MAX MIN MAX MAX MAX MIN MAX MAX MAX MIN MAX MIN MAX MIN MAX MIN TYP -110 (3.2) -95 (17.8) -110 (3.16) -95 (17.8) -95 (17.8) 0.01 0.10 0.10 0.01 0.10 0.01 0.20 0.0 0.0 11.2 -0.5 8.5 0.0 0.0 5.3 20.9 MAX -100 (10.0) -84 (63.1) -100 (10.0) -84 (63.1) -84 (63.1) 0.05 0.20 0.20 0.05 0.30 0.10 0.40 1.0 dB -1.0 9.2 -2.5 6.5 -2.0 -2.0 3.3 18.9 2.0 0.0 1.0 13.2 1.5 10.5 2.0 dB 2.0 7.3 dB 22.9 V
+
UNIT
-1.0
dBV (uVrms)
%
Bypass Gain
GVBYP
f=1kHz
dB
L+R Gain
GL+R
Vin=-20dBV f=100Hz
L-R Gain
GL-R
Vin=-20dBV f=100Hz VIN = ”High Level” VIN = ”Low Level”
Mode Select Control Switch
VMODE
V 0.7
✔ The word “-VIN” signifies opposite phase of “VIN”
-3-
www.DataSheet4U.com
NJM2191
sMODE SWITCH
3D Stereo SW BYPASS 3D Stereo Low Level High Level
SRS-HP SW BYPASS SRS HP Low Level High Level
sPIN CONFIGURATION
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
NJM2191
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
SYMBOL HPLin HPRin VOL1 VOL2 FIL1 FIL2 FIL3 FIL4 NC HPLout HPRout NC NC NC NC
FUNCTION Lch Input for SRS HP Rch Input for SRS HP Width Control Output for SRS HP Width Control Input.