Rainbow-electronics MAX6690 Manual do Utilizador descarregar pdf (Página 4)

MAX6690

2°C Accurate Remote/Local Temperature

Sensor with SMBus Serial Interface

4 _______________________________________________________________________________________

Typical Operating Characteristics

= +3.3V to +5.5V, T

= +25°C, unless otherwise noted.)

-2

-1

-50 -10 10 30 50-30 70 90 110 130 150

TEMPERATURE ERROR vs.

REMOTE-DIODE TEMPERATURE

MAX6690 toc01

TEMPERATURE (

TEMPERATURE ERROR (°C)

FAIRCHILD 2N3904

1 10k 1M100 100M

TEMPERATURE ERROR vs.

POWER-SUPPLY NOISE FREQUENCY

MAX6690 toc02

FREQUENCY (Hz)

TEMPERATURE ERROR (°C)

= 500mVp-p LOCAL

= 500mVp-p REMOTE

1k 10M

TEMPERATURE ERROR vs.

COMMON-MODE NOISE FREQUENCY

MAX6690 toc03

FREQUENCY (Hz)

TEMPERATURE ERROR (°C)

100k

0 2030405010 60 70 80 90 100

TEMPERATURE ERROR vs.

DXP-DXN CAPACITANCE

MAX6690 toc04

DXP-DXN CAPACITANCE (nF)

TEMPERATURE ERROR (°C)

= +5V

100

3.0 3.83.63.2 3.4 4.0 4.2 4.4 4.6 4.8 5.0

STANDBY SUPPLY CURRENT vs.

SUPPLY VOLTAGE

MAX6690 toc05

SUPPLY VOLTAGE (V)

STANDBY SUPPLY CURRENT (µA)

1 2 3 4 5 6 7 8 9 ... 15 16

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