Rainbow-electronics DS1858 Manuel d'utilisateur télécharger pdf (Page 3)

DS1858

Dual Temperature-Controlled Resistors with

Three Monitors

_____________________________________________________________________ 3

PARAMETER

SYMBOL

CONDITIONS

TYP MAX

UNITS

Thermometer Error T

ERR

-40°C to +95°C

±3.0

°C

DIGITAL THERMOMETER

= 3.0V to 5.5V, T

= -40°C to +95°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Resolution

∆VMON 610

µV

Supply Resolution ∆V

1.6 mV

Input/Supply Accuracy A

0.25 0.5

% FS

(full scale)

Update Rate for MON1, MON2,

MON3, Temp, or V

frame

25 36 ms

ANALOG VOLTAGE MONITORING

= 3.0V to 5.5V, T

= -40°C to +95°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Position 00h Resistance T

= +25°C 0.7 1.0

1.25

kΩ

Position FFh Resistance T

= +25°C 40 50 60 kΩ

Absolute Linearity (Note 6) -2 +2 LSB

Relative Linearity (Note 7) -1 +1 LSB

Temperature Coefficient (Note 8) 50

ppm/°C

ANALOG RESISTOR CHARACTERISTICS

= 3.0V to 5.5V, T

= -40°C to +95°C, unless otherwise noted.)

1 2 3 4 5 6 7 8 ... 21 22

Three Monitors 1

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Rainbow-electronics DS1858 Manuel d'utilisateur Page 3

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