AN7395K, AN7395S
s
Application Circuit
27nF
+ 6.0 ~+10.0
V
DC
ICs for Audio Common Use
39nF
1MΩ
10µF
+
6
SET
11
TIM
2
+
10
TIM
1
10µF
9
L
RET
L
OUT
3
100µF
Left channel output
100µF
+
+
S
OUT
4
100µF
R
OUT
5
10nF
18
F
1
22µF
+
Left Channel Input
1 L
IN
16
F
2
15
NC
12
V
CC
22µF
+
Right Channel Input
19 R
IN
((Space))
13
V
REG
17
GND
20
AN7395S
Surround output
Mode
14
GND
8
V
REF
2
+
100µF
R
RET
7
150kΩ
22µF
+
10kΩVR
56nF
to V
CC
+
1µF
Changeover
+
0
to
0.9V :
OFF mode
2.1
to
2.8V :
STEREO mode
4.2
to
V
CC
:
MONAURAL mode
s
Product Specification Outline Table
Main Characteristics
(V
CC
= 9V, f = 1kHz, Ta = 25˚C)
Parameter
Total Circuit Current
Maximum Input Voltage
Output Noise Voltage
Note 1)
Total Harmonics Distortion
Note 2)
Input Resistance
Symbol
I
tot
V
in (max.)
V
no
THD
R
IN
V
in
= 0mV
L
in
, R
in
THD = 1%
Note 3)
L
out
, R
out
R
g
= 4.7kΩ
Note 4)
L
out
, R
out
V
in
= 400mV
Note 3)
Condition
min.
5
2.0
typ.
11
2.8
20
0.05
50
100
0.3
max.
17
Unit
mA
Vrms
µVrms
%
kΩ
Note 1) Measured through filter of A characteristic curve
Note 2) Measured through 15Hz to 30kHz (12dB/OCT) filter
Note 3) Mode : ST L
in
+ R
in
((Space)) MIN
Note 4) Mode : ST ((Space)) MIN
s
Operational Description
The AN7395K and AN7395S are respectively equipped with the following devices :
•
Type E Spatializer (Spatial Expansion)
It uses the ordinary stereo record and broadcasting as a sound source and can offer sound expansion exceeding speaker location.
→
It provides natural sound effect which can not be obtained only with conventional two-speaker stereo system. Sound image
positioned at the center does not move at all, and music instruments and sound positioned to left and right surround listeners. The
surround stage can be created, exceeding location of two speakers. Real three-dimensional sound field can be created by ambience
sound. Listeners feel as if no speakers exist.
•
Type D Spatializer (Directional Positioning)
It can position or shift the individual sound source along 270˚ arc in real time for example at game play or reproduction.
→
The
AN7395K and AN7395S can support almost infinitive number of inputs. They require only the function panning these signals
between L and R. These ICs can be easily incorporated in the video game machine or sound board of computer and thereby the
sound source can be controlled in three dimensions without DSP.
•
Type S Spatializer (Spatial Synthesis)
Though almost all the sound of computer, video game or multi-media uses mono-source, playback is often performed by the
stereo unit. The spatializer can give the mono-source profoundness and realism, providing the natural and comfortable pseudo
stereo effect.
+
Right channel output
PANASONIC [ PANASONIC SEMICONDUCTOR ]
