NJM2190
SRS HEADPHONE 3D SURROUND PROCESSOR
■GENERAL DESCRIPTION
■PACKAGE OUTLINE
The NJM2190 is a headphone surround processor based on SRS
technology. It provides a realistic and spacious listening experience
through standard headphones.
The features of low operating voltage, low output noise, low operating
current are very suitable for portable audio applications.
NJM2190D
NJM2190M
NJM2190V
■FEATURES
■Operating Voltage
■Low Operating Current
■Low Output Noise
■WIDTH Control
(1.8 to 6.0V)
(1.3mA typ. at SRS mode)
(12.0µVrms typ. at SRS mode)
■Bipolar Technology
■Package Outline
DIP16, DMP16, SSOP16
■PIN CONFIGURATION
■BLOCK DIAGRAM
16
15
14
13
12
11
10
9
BIAS
8
1
2
3
4
5
6
7
8
Lin
Rin
16
Lch Input
Rch Input
Wout
VREF 15
WIDTH Control Output
WIDTH Control Output
Mode Switch
Reference Voltage Output
Reference Voltage Input
V+/2 output
BYPASS
REFin
Win
14
SRS
V+/2 13
MODE
EXT.
FILTER
MATRIX
Filter
Filter
Filter
C1
C4 12
C3 11
SRS
Filter
C2
BYPASS
Rch Output
Lch Output
Ground
Lout
GND
Rout 10
MODE
CONTROLLER
9
1.8 to 6.0V Supply
V+
2
3
4
5
6
7
1
The SRS HEADPHONE technology right incorporated in the NJM2190 are owned by SRS Labs, a U.S. Corporation and licensed to
New Japan Radio Co., Ltd. SRS HEADPHONE is protected under U.S. and foreign patents issued and/or pending. SRS
HEADPHONEand the
, are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the
purchase of the NJM2190, 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 NJM2190 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 -