NJM2703
3D SURROUND AUDIO PROCESSOR FOR HEADPHONE
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GENERAL DESCRIPTION
The
NJM2703
is a high quality 3D surround audio processor
designed for headphone applications.
It includes mode control switch (Surround mode / Bypass
mode).
The
NJM2703
features low operating voltage, low operating
current, low output noise and very small package, and is
suitable for any portable audio applications.
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PACKAGE OUTLINE
NJM2703RB2
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FEATURES
q
Operating Voltage
1.8 to 6V
q
Low Operating Current
0.45mA typ. (at Surround mode, VR: max.)
q
Low Output Noise
10µV typ. (at Surround mode, VR: max.)
q
Variable Surround Effect by external resistor
q
Internal Mode Control Switch
q
Bipolar Technology
q
Package Outline
TVSP10
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PIN CONFIGURATION
1
2
3
4
5
10
9
8
7
6
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
LIN
RIN
SW
VREF
GND
V+
NFR
NFL
ROUT
LOUT
s
BLOCK DIAGRAM
LIN
+
+
LOUT
3D
FILTER
RIN
-
+
Bypass
ROUT
Surround Mode
-1-
NJRC [ NEW JAPAN RADIO ]
