Rainbow-electronics LM99 Bedienungsanleitung PDF herunterladen (Seite 4)

Absolute Maximum Ratings (Note 1)

Supply Voltage −0.3 V to 6.0 V

Voltage at SMBData, SMBCLK,

ALERT, T_CRIT_A

−0.5 V to 6.0 V

Voltage at Other Pins −0.3 V to

+ 0.3 V)

D− Input Current

1mA

Input Current at All Other Pins

(Note 2)

5mA

Package Input Current

(Note 2)

30 mA

SMBData, ALERT, T_CRIT_A Output

Sink Current 10 mA

Storage Temperature −65˚C to

+150˚C

Soldering Information, Lead Temperature

MSOP-8 Packages (Note 3)

Vapor Phase (60 seconds) 215˚C

Infrared (15 seconds) 220˚C

ESD Susceptibility (Note 4)

Human Body Model 2000 V

Machine Model 200 V

Operating Ratings

(Notes 1, 5)

Operating Temperature Range 0˚C to +125˚C

Electrical Characteristics

Temperature Range T

MIN

≤ T

MAX

LM99 0˚C ≤ T

≤ +85˚C

Supply Voltage Range (V

) +3.0 V to +3.6 V

Temperature-to-Digital Converter Characteristics

Unless otherwise noted, these specifications apply for V

= +3.0 Vdc to +3.6 Vdc. Boldface limits apply for T

MIN

≤ T

MAX

; all other limits T

= +25˚C, unless otherwise noted.

Parameter Conditions Typical Limits Units

(Note 6) (Note 7) (Limit)

Temperature Error Using Local Diode T

= +25˚C to +125˚C, (Note 8)

3 ˚C (max)

Temperature Error Using Remote Diode

Connected Transistor (T

is the Remote

Diode Junction Temperature)

LM99

+ 16˚C

= +30˚C to +50˚C and T

+120˚C to +140˚C

1 ˚C (max)

= +0˚C to +85˚C and T

+25˚C to +140˚C

˚C (max)

Remote Diode Measurement Resolution 11 Bits

0.125 ˚C

Local Diode Measurement Resolution 8 Bits

1˚C

Conversion Time of All Temperatures at the

Fastest Setting

(Note 10) 31.25 34.4 ms (max)

Quiescent Current (Note 9) SMBus Inactive, 16 Hz

conversion rate

0.8 1.7 mA (max)

Shutdown 315 µA

D− Source Voltage 0.7 V

Diode Source Current (V

D+

−V

D−

) = + 0.65 V; high

level

160 315 µA (max)

110 µA (min)

Low level 13 20 µA (max)

7 µA (min)

ALERT and T_CRIT_A Output Saturation

Voltage

OUT

= 6.0 mA 0.4

V (max)

Power-On-Reset (POR) Threshold Measure on V

input, falling

edge

2.4

1.8

V (max)

V (min)

Local and Remote HIGH Default Temperature

settings

(Note 11) Add 16˚C for true

Remote Temperature.

+70 ˚C

Local and Remote LOW Default Temperature

settings

(Note 11) Add 16˚C for true

Remote Temperature.

0˚C

Local T_CRIT Default Temperature Setting (Note 11) +85 ˚C

Remote T_CRIT Default Temperature Setting (Note 11) Add 16˚C for 126˚C

true Remote T_CRIT Setting

+110 ˚C

LM99

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