Rainbow-electronics LM45 Manual do Utilizador descarregar pdf (Página 7)

Typical Applications (Continued)

DS011754-20

* =1% or 2% film resistor

-Trim R

B

for V

B

=3.075V

-Trim R

C

for V

C

=1.955V

-Trim R

A

for V

A

=0.075V + 100mV/˚C x T

ambient

-Example, V

A

=2.275V at 22˚C

FIGURE 13. Bar-Graph Temperature Display (Dot Mode)

DS011754-21

FIGURE 14. LM45 With Voltage-To-Frequency Converter And Isolated Output

(2.5˚C to +100˚C; 25 Hz to 1000 Hz)

LM45

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