Rainbow-electronics LM93 Manual do Utilizador descarregar pdf (Página 86)

17.0 Absolute Maximum

Ratings

(Notes 1, 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Positive Supply Voltage (V

) 6.0V

Voltage on Any Digital Input or

Output Pin

−0.3V to 6.0V

(Except Analog

Inputs)

Voltage on +5V Input −0.3V to +6.667V

Voltage at Positive Thermal

Diode Inputs,

12V Inputs −0.3V to (V

+ 0.05V)

Voltage at Other Analog Voltage

Inputs −0.3V to +6.0V

Input Current at Thermal Diode

Negative Inputs

1mA

Input Current at any pin (Note 3)

10mA

Package Input Current (Note 3)

100 mA

Maximum Junction Temperature

(Note 9)

JMAX

) 150 ˚C

ESD Susceptibility (Note 4)

Human Body Model 3 kV

Machine Model 300V

Storage Temperature −65˚C to +150˚C

Soldering process must comply with National’s

reflow temperature profile specifications. Refer to

www.national.com/packaging/. (Note 5)

18.0 Operating Ratings (Notes 1, 2)

Operating Temperature Range 0˚C ≤ T

≤ +85˚C

Nominal Supply Voltage 3.3V

Supply Voltage Range (V

) +3.0V to +3.6V

VID0-VID5 −0.05V to +5.5V

Digital Input Voltage Range −0.05V to

+ 0.05V)

Package Thermal Resistance (Note

79˚C/W

DC Electrical Characteristics

The following limits apply for +3.0 V

to +3.6 V

, unless otherwise noted. Bold face limits apply for T

over T

MIN

MAX

of the operating range; all other limits T

= 25˚C unless otherwire noted. T

is the ambient temperature of the

LM93; T

is the junction temperature of the LM93; T

is the junction temperature of the thermal diode.

Symbol Parameter Conditions

Typical

(Note 9)

Limits

(Note 10)

Units

(Limits)

POWER SUPPLY CHARACTERISTICS

Power Supply Current Converting, Interface and

Fans Inactive, Peak

Current

2 3 mA (max)

Converting, Interface and

Fans Inactive, Average

Current

0.9 mA

Power-On Reset Threshold Voltage

1.6 V (min)

2.7 V (max)

TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS

Local Temperature Accuracy Over Full Range 0˚C T

≤85˚C

3 ˚C (max)

= +55˚C

2.8 ˚C (max)

Local Temperature Resolution 1 ˚C

Remote Thermal Diode Temperature Accuracy

Over Full Range; targeted for a typical Prescott

processor (Note 8)

0˚C ≤ T

≤ 85˚C

and 25˚C ≤ T

≤ 100˚C

3 ˚C (max)

Remote Thermal Diode Temperature Accuracy;

targeted for a typical Prescott processor (Note 8)

0˚C ≤ T

≤ 85˚C

and 25˚C ≤ T

≤ 70˚C

1˚C

Remote Temperature Resolution 1 ˚C

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

Low Level 11.75 µA

Thermal Diode Current Ration 16

Total Monitoring Cycle Time 100 ms (max)

ANALOG-TO-DIGITAL VOLTAGE MEASUREMENT CONVERTER CHARACTERISTICS

TUE Total Unadjusted Error (Note 12)

%of

FS (max)

LM93

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