FS9952_LP1

Rev. 2.0

22/31

15.8

Buzzer Driver Circuit

R3

51

BUZZER

R9

10k

BJ1

28 BEEPER

VDD

FS9952

Diagram 14

Low Resistance Buzzer Connection

3k

BUZZER

R9

10k

BJ1

28 BEEPER

FS9952

VDD

Diagram 15

High Resistance Buzzer Connection

15.9

Power Supply Circuit

The different applications of users make different power supply methods. In some measurements, the

sensor requires higher voltage such as OPAMP, Hale components and so on that it is difficult to supply the

power by 3V, then you can take some power supply methods as below

.

10uF

10uF

3V

31 VDD

30 AGND

29 VSS

FS9952

Diagram 16

3V Power Supply