The Karaoke/Surround Digital Echo IC incorporates a digital delay circuit, an input/output mixing circuit, supporting Karaoke echo and surround system, all in a single chip. BU9253AS/FS has functions required by Karaoke echo system, and BU9262AFS has various functions required for surround / echo sy.
<BU9253AS/FS> 1) Digital delay time : 131ms (fCLK = 375kHz) 2) Built-in mixing circuit for adding original sound and echo sound 3) Echo mix ratio settable by DC voltage 4) Built-in amplifier circuit for structuring input/output secondary LPF 5) Microphone mute function (mute of mixing sound of original sound + echo sound) 6) Built-in CR oscillation circuit <BU9262AFS> 1) Digital delay time : 8-stage setting from 9.2ms to 192ms 2) Built-in input/output mixing circuit 3) Built-in feedback, delay volume circuit 4) Built-in input/output LPF 5) Serial interface 6) Aut.
Distributor | Stock | Price | Buy |
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No. | Part # | Manufacture | Description | Datasheet |
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1 | BU9253 |
Rohm |
KARAOKE echo IC | |
2 | BU9253FS |
Rohm |
Karaoke/Surround Digital Echo | |
3 | BU9252F |
Rohm |
Audio digital delay (KARAOKE echo) | |
4 | BU9252S |
Rohm |
Audio digital delay (KARAOKE echo) | |
5 | BU9255FS |
Rohm |
KARAOKE echo IC | |
6 | BU920 |
ST Microelectronics |
HIGH VOLTAGE POWER DISSIPATION | |
7 | BU920 |
INCHANGE |
NPN Transistor | |
8 | BU9206 |
Rohm |
PS / 2 Mouse Controller | |
9 | BU920P |
Inchange Semiconductor |
Silicon NPN Power Transistor | |
10 | BU920P |
ST Microelectronics |
HIGH VOLTAGE POWER DISSIPATION | |
11 | BU920PFI |
ST Microelectronics |
HIGH VOLTAGE POWER DISSIPATION | |
12 | BU920PFI |
INCHANGE |
NPN Transistor | |
13 | BU920T |
INCHANGE |
NPN Transistor | |
14 | BU920T |
ST Microelectronics |
HIGH VOLTAGE POWER DISSIPATION | |
15 | BU921 |
INCHANGE |
NPN Transistor |