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參數資料
| 型號： | BU9253AS |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | KARAOKE echo IC |
| 中文描述： | 卡拉OK回聲集成電路 |
| 文件頁數： | 5/6頁 |
| 文件大小： | 72K |
| 代理商： | BU9253AS |
5
Multimedia ICs
BU9253AS / BU9253FS / BU9255FS
When switching between the muted and unmuted
state (pin 15 (pin 17) L
→
M
→
H), the pin 15 (pin 17) M
time should be longer than one SRAM cycle. This is to
assure stability by initializing the SRAM before mode
switching.
Note: Figures in parentheses ( ) are for BU9253AS.
(2) Differences between BU9253AS / FS and BU9255FS
There is a difference regarding the signal stopping for
muting. With BU9253AS / FS, the output from pin 8 (pin
9) is stopped during muting. With BU9255FS, the output
from pin 5 is stopped during muting.
Application example (for BU9253FS / BU9255FS)
V
CC
V
CC
100
μ
0.1
μ
0.01
μ
0.012
μ
20k
20k
8.2k
IN
4700p
10k
100p
39k
MUTE
MIX
2.2
μ
2.2
μ
RESISTOR : [
]
CAPACITOR: [F]
Unit
OUT
3300p
15k
10k
4.7k
0.01
μ
0.01
μ
22
μ
ECHO LEVEL
1
2
3
4
5
6
7
8
0.47
μ
D / A
SRAM
A / D
OSC
16
15
14
13
12
11
10
9
COUNTER
Fig. 2
+
+
+
+
+
(1) Mute control functions
H
Unmuted (operating state)
M
Muted
L
Clock stop and muted
Pin 15 voltage (pin 17)
Mode
相關PDF資料 |
PDF描述 |
|---|---|
| BU9253FS | KARAOKE echo IC |
| BU9255FS | KARAOKE echo IC |
| BU9480 | 16-bit stereo D / A converter for audio applications |
| BU9528KS | 蚊IC |
| BU9716BK | Picture cell driver for STN (LCD driver) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| BU9253AS/FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Multimedia LSIs |
| BU9253AS_05 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Karaoke/Surround Digital Echo |
| BU9253AS-E2 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Karaoke/Surround Digital Echo |
| BU9253FS | 制造商:ROHM Semiconductor 功能描述: |
| BU9253FS-E2 | 功能描述:視頻 IC ECHO CONTROL RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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