NJM2704
PRELIMINARY
3D SURROUND AUDIO PROCESSOR FOR HEADPHONE
s
GENERAL DESCRIPTION
The
NJM2704
is a high quality 3D surround audio processor
designed for headphone applications.
It includes mode control switches for surround function and
standby function and realizes low consumption power design by
standby function.
In addition to SSOP14, ultra small and thin package FFP12
(Flip-chip Fine Package) is applied. It is suitable for portable
telephone, PDA and any portable audio applications.
s
PACKAGE OUTLINE
NJM2704V
NJM2704PB1
s
FEATURES
q
Operating Voltage
q
Low Operating Current
1.8 to 6V
0.45mA typ. (at Active mode)
0.1碌A(chǔ) typ. (at Standby mode)
q
Low Output Noise
10碌V typ. (at Surround mode, VR: max.)
q
Variable Surround Effect by external resistor
q
Internal Mode Control Switch
q
Bipolar Technology
q
Package Outline
SSOP14, FFP12
s
PIN CONFIGURATION
9
8
7
10
11
12
6
5
4
1
2
3
(FFP12)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
VREF
MODE SW
RIN
LIN
STANDBY SW
LOUT
ROUT
NFL
NFR
V+
DNC
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
STANDBY SW
LIN
RIN
MODE SW
VREF
GND
NC
DNC
V+
NFL
NFR
ROUT
LOUT
NC
(SSOP14)
-1-