參數(shù)資料
型號: BU9253FS
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(shù): 1/6頁
文件大?。?/td> 72K
代理商: BU9253FS
1
Multimedia ICs
KARAOKE echo IC
BU9253AS / BU9253FS / BU9255FS
The BU9253AS, BU9253FS and BU9255FS are single-chip ICs that contain all the components needed to configure
a KARAOKE echo system: an A / D and D / A converter, SRAM, LPF, and mixer for mixing source signals. With
these ICs, an echo function can be configured easily and with minimum external components.
Applications
KARAOKE functions for portable stereo sets, mini com-
ponent stereo sets, video CDs and DVDs, etc.
Features
1) Echo mixing ratio is adjustable with a DC voltage.
2) A second order LPF can be configured with the
internal amplifier and an attached capacitor and
resistor.
Block diagram
BU9253FS / BU9255FS
3) Delay time of 131ms. (when f
CLK
= 357kHz)
4) Internal mute function.
5) Single power supply (5V).
BU9253AS
1
COUNTER
V
CC
A / D
SRAM
D / A
OSC
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
MIX
1
2
3
4
5
6
7
8
9
COUNTER
V
CC
A / D
SRAM
D / A
OSC
16
15
14
13
12
11
10
MIX
18
17
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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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