Rainbow-electronics LM85 Manual do Utilizador descarregar pdf (Página 4)

Absolute Maximum Ratings (Notes 1,

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage, V+ −0.5V to 6.0V

Voltage on Any Digital Input or

Output Pin

−0.5V to 6.0V

Voltage on 12V Analog Input −0.5V to 16V

Voltage on 5V Analog Input −0.5V to 6.66V

Voltage on Remote1+, Remote2+, −0.5V to (V+ + 0.05V)

Current on Remote1−, Remote2−

1mA

Voltage on Other Analog Inputs −0.5V to 6.0V

Input Current on Any Pin (Note 3)

5mA

Package Input Current (Note 3)

20 mA

Package Dissipation at T

= 25˚C See (Note 5)

ESD Susceptibility (Note 4)

Human Body Model 2500V

Machine Model 250V

Soldering Temperature, Infrared,

10 seconds (Note 6)

235˚C

Storage Temperature −65˚C to +150˚C

Operating Ratings (Notes 1, 2)

LM85 Operating Temperature Range 0˚C ≤ T

≤ +85˚C

Remote Diode Temperature Range 0˚C ≤ T

≤ +125˚C

Supply Voltage (3.3V nominal) +3.0V to +3.6V

Voltage Range

+12V V

−0.05V to 16V

+5V V

−0.05V to 6.66V

+3.3V V

3.0V to 4.4V

CCP

and All Other Inputs −0.05V to (V+ + 0.05V)

VID0–VID4 −0.05V to 5.5V

Typical Supply Current 0.53 mA

DC Electrical Characteristics

The following specifications apply for V+ = 3.0V to 3.6V, and all analog input source impedance R

=50Ω unless otherwise

specified in conditions. Boldface limits apply for T

MIN

to T

MAX

; all other limits T

= 25˚C.

Symbol Parameter Conditions Typical

(Note 7)

Limits

(Note 8)

Units

(Limits)

POWER SUPPLY CHARACTERISTICS

Supply Current (Note 9) Converting, Interface and

Fans Inactive, Peak

Current

1.8 3.5 mA (max)

Converting, Interface and

Fans Inactive, Average

Current

0.53 mA

Power-On Reset Threshold Voltage 1.6 V (min)

2.8 V (max)

TEMPERATURE TO DIGITAL CONVERTER CHARACTERISTICS

Resolution 1

˚C

Bits

Temperature Accuracy (See (Note 10) for Thermal

Diode Processor Type)

At 25˚C

2.5 ˚C (max)

0˚C to 100˚C

3 ˚C (max)

100˚C to 125˚C

4 ˚C (max)

Temperature Accuracy using Internal Diode (Note

11)

0˚C to 85˚C

3 ˚C (max)

External Diode Current Source High Level 188 280 µA (max)

Low Level 11.75 µA

External Diode Current Ratio 16

ANALOG TO DIGITAL CONVERTER CHARACTERISTICS

TUE Total Unadjusted Error(Note 12) LM85CIMQ -0.5/+3.5 %FS (max)

LM85BIMQ

2 %FS

(max)

DNL Differential Non-linearity 1 LSB

Power Supply Sensitivity

1 %/V

Total Monitoring Cycle Time (Note 13) All Voltage and

Temperature readings

182 200 ms (max)

LM85

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