BU9253AS Datasheet, PDF (4/6 Pages) Rohm – KARAOKE echo IC

Multimedia ICs
•Measurement circuit (for BU9253FS / BU9255FS)
VCC
BU9253AS / BU9253FS / BU9255FS
100µ
0.1µ
100p
39k
16
15
14
OSC
0.01µ
13
12
A/D
0.012µ
10k
20k
8.2k
4700p
11
10
9
–
+
IN1
2.2µ
1k
IN2
2.2µ
1k
COUNTER
1
2
VCC
SRAM
3
22µ
D/A
4
5
–
+
6
7
0.01µ
0.47µ
3300p
4.7k
10k
15k
0.01µ
Fig. 1
MIX
8
2.2µ
OUT
22k
Unit
RESISTOR : [Ω]
CAPACITOR: [F]
4