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參數(shù)資料
| 型號： | LV1150 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Virtual Surround System IC for video soundtracks and audio.(用于視頻聲帶和音頻的可視環(huán)繞系統(tǒng)芯片) |
| 中文描述： | 虛擬環(huán)繞聲系統(tǒng)集成電路的視頻和音頻音軌。（用于視頻聲帶和音頻的可視環(huán)繞系統(tǒng)芯片） |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 96K |
| 代理商： | LV1150 |
No. 6140-6/9
LV1150
Operating Principles
1. Modes
The mode can be set using DIP switches on pins 2 and 3.
Bypass/virtual: switches between bypass and virtual modes.
L+R/L–R: Switches the virtual mode effect.
Since this switching is independent of the bypass function, it has no effect in bypass mode.
2. Other notes
The level of the virtual effect can be changed by the values of the external resistors connected to pins 15 and 19.
(See the sample application circuit diagram.) Note that the effect is maximum when these pins are open.
There are two options that may be attached to pins 6 and 7 and pins 9 and 10. (See the sample application circuit
diagram.) High boost (SAMP1) and low boost (SAMP2) effects can be acquired using external circuits on these
pins. (See the charts.)
–10
–15
–5
0
–10
–15
–5
0
–5
–10
0
5
–5
–10
0
5
2
3
5
7 100
2
3
5
7 1k
5
2
3
7 10k
3
2
2
3
5
7 100
2
3
5
7 1k
5
2
3
7 10k
3
2
L
→
L
R
→
R
R
→
L
L
→
R
L
→
L
R
→
R
R
→
L
L
→
R
L
→
→
L
→
→
L
→
→
L
→
L
→
R
VO — fIN
VO — fIN
LV1150 SAMP1
DELAY = OFF
300 mV = 0 dB
LV1150 SAMP2
DELAY = OFF
300 mV = 0 dB
20 k
external
10 k
1.5 k
0.15
μ
F
1.5 k
20 k
–
+
external
10 k
3 k
0.15
μ
F
1.5 k
(19 PIN
16PIN Short)
(19 PIN
16PIN Short)
Input frequency, f
IN
— Hz
Input frequency, f
IN
— Hz
Pin Descriptions
Pin No.
Pin
Pin voltage (V)
Function
Equivalent circuit
2
SW1
2
3
1 k
A12418
Bypass/virtual switching
4
5
LPF1
LPF2
Low-pass filter capacitor connection
1/2V
CC
6
10
LS-OUT
RS-OUT
BIAS
4
5
24 k
500
A12419
Surround signal outputs
0/0.7
7
9
R-PS-IN
L-PS-IN
1/2V
CC
1/2V
CC
Virtual surround processing signal inputs.
6
10
BIAS
100
VCC
A12420
7
9
500
1
A12421
3
SW1
L+R/L–R switching
Continued on next page.
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|---|---|
| LV1150M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Virtual Surround System IC |
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