KK8040

APPLICATION CIRCUIT (basic external connection)

Amplifier

(KK34119)

Speaker out

or Buzzer

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

04

03

02

01

08

07

06

05

Rx1

Rx4

Rx2

Rx3

470Ω

100Ω 1W

1N4004

1N4004

12V

Rx1 = Buzzer(1MΩ), Speaker(2.2k)

Rx2,Rx3 = VR (Rx2 = 20k~50k, Rx3 = 5k~10k)

Rx4 = Speed VR (500k~1.5MΩ)

104

ON / OFF

OSC1

OSC2

TST2

MT

SEL2

SEL1

B/E

Vss

Vdd

OUT2

OUT1

P1

MO

ENV2

ENV1

TST1

RECOMMENDED CONDITIONS FOR EXTERNAL DEVICES

Symbol

Ratings

Unit

Symbol

Ratings

Unit

VR1

1 - 2

M

Ω

C1

4.7

µF

VR2

50

k

Ω

C2

4.7

µF

R1

100

k

Ω

C3

0.1

µF

R2

100

k

Ω

-

-

-

SELECTION CONDITION FOR MELODY

Condition

#5

#6

Melody

High

High

*Test melody

High

Low

*Ding – Dong

Low

High

*Do – Mi – Sol – Do

Low

Low

*Do- Sol – Mi - Do

* Revision & Injection of Melody is possible according to customer’s request.

3