FS9721_LP1

Rev. 2.0

35/41

16.5K

220K

R30

100K

VDDA

C

E

B

ADP

Diagram 34

NPN-type Triode

14.20 Temperature Measurement

R9

90k

R8

10k

VR3

20k

_

+

RT2

180

J2

RT3

10k

R18

1k

RT4

100k

VR4

10k

T6

K type

OP1O

TSTC

SGND

REFO

FS9721_LP1

J1

RT1

100k

OP1N

Diagram 35

Temperature Measurement (1)

For the connection of the thermocouple in the diagram, the negative (-) point can be connected directly to

the ground (AGND). When the thermocouple is not connected or damaged, it will display overload (OL).