FM20

PRODUCT SPECIFICATION

6

REV. 1.0.6 1/9/03

Example Applications Circuits

Typical Applications

Figure 4. Serial Output Temperature to Digital Converter

(The full scale of the A-to-D Converter will typically be limited to +125°C simply by the

number of bits available in the conversion. The FM20 would still be capable of its full output swing.)

Figure 5. Parallel Output Temperature to Digital Converter (Full Scale = +125°C)

IN

10K

Ω

100K

Ω

1

µF

FB

1.75V

REF

3.9K

Ω

SERIAL

DATA OUT

CLOCK

ENABLE

FM20

5V

Serial

Analog-to-Digital

Converter

Adjustable

Shunt Voltage

Reference

+

5V

WR

5K

Ω

30K

Ω

IN

1.75V

15K

Ω

1

µF

+

_

PARALLEL

DATA

OUTPUT

INTR

CS

RD

8

Parallel Output

Analog-to-Digital

Converter

FM20