NJM2180L NJR, NJM2180L Datasheet

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NJM2180L

Manufacturer Part Number
NJM2180L
Description
Audio Amplifiers Tru-Surround 3D
Manufacturer
NJR
Datasheet

Specifications of NJM2180L

Product
General Purpose Audio Amplifiers
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
full surround sound field from two speakers by the TruSurround Virtualizer
when either 5.1 channels by Dolby Digital
Logic
NJM2180 regenerates a 3D sound field from normal L/R input.
and MIX DOWN. In THRUOGH mode, the NJM2180 output 5.1 channels
(max.) without any processing and in MIX DOWN mode, the NJM2180
output normal 2 channels stereo signal from 4 or 5.1 channels input
multimedia speaker systems and others.
Laboratories for licensing information.
For use in Virtual Dolby Surround(VDS) and/or Virtual Dolby Digital(VDD) products, please contact Dolby
GENERAL DESCRIPTION
FEATURES
*1)
*2) Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Licensing and application information may be obtained from
The NJM2180 is a TruSurround
The NJM2180 also performs the SRS 3D-STEREO. In this mode,
In addition, the NJM2180 includes 2-type BYPASS mode THROUGH
The NJM2180 is suitable for TV, mini component, CD radio cassette,
Japan Radio Co., Ltd. TruSurround is protected under U.S. and foreign patents issued and/or pending. TruSurround and the
are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2180, nor the
corresponding sale of audio enhancement equipment conveys the right to sell commercialized recordings made with any
TruSurround technology.
included in the purchase price. SRS Labs also requires any users to comply with all rules and regulations as outlined in the
TruSurround Trademark Usage Manual.
The TruSurround technology right incorporated in the NJM2180 are owned by SRS Labs, a U.S. Corporation and licensed to New
SRS Labs requires that all users of the NJM2180 must enter into a license agreement directly with SRS Labs if the royalty is not
Dolby Lab.
Operating Voltage
Maximum Input Voltage(2.1Vrms typ. at TRU_4 mode, V
Low Output Noise
SRS 3D-STEREO FUNCTION
BYPASS FUNCTION
Bipolar Technology
Package Outline
*2)
For further information, please contact:
signal is input.
SRS Labs, Inc.
2909 Daimler Street. Santa Ana, CA 92705 USA
Tel:949-442-1070
Fax:949-852-1099
TruSurround
TM *1)
(35µVrms typ. at TRU_4 mode)
(THROUGH/MIX DOWN)
(4.7 to 13V)
SDIP30, SDMP30
3D audio processor. It regenerates
*2)
http://www.srslabs.com
TM
or 4 channels by Dolby Pro
3D AUDIO PROCESSOR
+
11V)
PACKAGE OUTLINE
NJM2180M
NJM2180L
NJM2180
- 1 -
,

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NJM2180L Summary of contents

Page 1

... Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Licensing and application information may be obtained from Dolby Lab AUDIO PROCESSOR TM *1) 3D audio processor. It regenerates * channels by Dolby Pro (4.7 to 13V) ≧ + 11V) (35µVrms typ. at TRU_4 mode) (THROUGH/MIX DOWN) SDIP30, SDMP30 http://www.srslabs.com NJM2180 PACKAGE OUTLINE NJM2180L NJM2180M , - 1 - ...

Page 2

NJM2180 PIN FUNCTION 30 1 No. SYMBOL 1 MODE3 Mode Switch 2 MODE2 Mode Switch 3 MODE1 Mode Switch 4 VREF V+/2 5 GND Ground + 6 V Supply Voltage 4.5 to 13V 7 SUB OUT SUB output 8 CENTER ...

Page 3

ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS(V PARAMETER SYMBOL + Operating V Voltage Supply Signal Current No Signal Reference V REF + V /2 Voltage Maximum V ...

Page 4

NJM2180 ELECTRICAL CHARACTERISTICS (V PARAMETER SYMBOL Total THD Harmonic Distortion BYPASS1 G Bypass1 Gain BYPASS2 G Bypass2 Gain TRU Front G TRU-F Gain TRU Rear G TRU-R Gain TRU Rear G TRU-R Gain CENTER Gain G CENTER SUB Gain G ...

Page 5

MODE SELECT FUNCTION MODE MODE1 MODE2 BYPASS_1 L L BYPASS_2 L L TSV_5 TSV_4 L H 3D-STEREO H L TRU_5 TRU_4 H H MODE3 L MIX DOWN MODE H INPUT THROUGH MODE (Multi-Channel Output) TruSurround MODE ...

Page 6

NJM2180 BLOCK DIAGRAM - 6 - ...

Page 7

PIN DESCRIPTION 1,2,3 PIN 150k 13,19,30 PIN 50 50 14,20,29 PIN 4,7,8,9,10,11,12,15,17,21,28 PIN V+ V+ 22,23,24,25,26,27 PIN V+ 50k VREF 16,18 PIN V+ NJM2180 ...

Page 8

NJM2180 APPLICATION CIRCUIT R20 2M C10 R19 0.0047uF 33K 1.8K R16 R17 75K 51K R21 6.2K VREF C25 10uF/50V C24 10uF/50V C23 10uF/50V GND Note: In case of TRU_4 or TSV_4 MODE, input the mono signal of surround channel from ...

Page 9

TYPICAL CHARACTERISTICS -10 -15 -20 -25 - -10 -15 -20 -25 -30 10 TruSurround GAIN STRUCTURE BYPASS1 Mode (V =12V) + a:Vin=0dBu(Front Lch) Vout=Lch b:Vin=0dBu(Front Rch) Vout=Rch 100 1k Frequency ...

Page 10

NJM2180 TYPICAL CHARACTERISTICS -10 -15 -20 -25 - -10 -15 -20 -25 - TruSurround GAIN STRUCTURE Tru5.1 Mode (V =12V) + a:Vin=0dBu(Front Lch) Vout=Lch b:Vin=0dBu(Front Lch) Vout=Rch c:Vin=0dBu(Front Rch) ...

Page 11

TYPICAL CHARACTERISTICS -10 -15 -20 -25 -30 10 a:Vin=0dBu(Lch) → Vout=Lch, SPACE VR max, CENTER VR max b:Vin=0dBu(Lch) → Vout=Rch, SPACE VR max, CENTER VR min c:Vin=0dBu(Lch) → Vout=Rch, SPACE VR min, CENTER VR max d:Vin=0dBu(Lch) → ...

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