Rainbow-electronics LM27 Bedienungsanleitung PDF herunterladen (Seite 3)

Absolute Maximum Ratings (Note 1)

Input Voltage 6.0V

Input Current at any pin (Note 2) 5mA

Package Input Current(Note 2) 20mA

Package Dissipation at T

= 25˚C

(Note 3) 500mW

Soldering Information

SOT23 Package

Vapor Phase (60 seconds)

Infrared (15 seconds)

215˚C

220˚C

Storage Temperature −65˚C to + 150˚C

ESD Susceptibility (Note 4)

Human Body Model

Machine Model

2500V

250V

Operating Ratings(Note 1)

Specified Temperature Range T

MIN

≤ T

MAX

LM27CIM −40˚C ≤ T

≤ +150˚C

Positive Supply Voltage (V

) +2.7V to +5.5V

Maximum V

OUT

+5.5V

LM27 Electrical Characteristics

The following specifications apply for V

= 2.7V

to 5.5V

, and V

TEMP

load current = 0µA unless otherwise specified. Bold-

face limits apply for T

MIN

to T

MAX

; all other limits T

= 25˚C unless otherwise specified.

Typical LM27CIM Units

Symbol Parameter Conditions (Note 6) Limits (Limits)

(Note 7)

Temperature Sensor

Trip Point Accuracy (Includes

REF

, DAC, Comparator Offset,

and Temperature Sensitivity

errors)

+120˚C

+150˚C

3 ˚C (max)

Trip Point Hysteresis HYST = GND 10 ˚C

HYST = V

2˚C

TEMP

Output Temperature

Sensitivity

−10.82 mV/˚C

TEMP

Temperature Sensitivity

Error to Equation:

= (−3.552x10

−6

x(T−30)

(−10.695x10

−3

x(T−30))+

1.8386V

−30˚C ≤ T

≤ 150˚C,

2.7V ≤ V

≤ 5.5V

3 ˚C (max)

−55˚C ≤ T

≤ 150˚C,

4.5V ≤ V

≤ 5.5V

3 ˚C (max)

= 25˚C

2.5 ˚C (max)

TEMP

Load Regulation −1µA ≤ I

≤ 0 0.070 mV

0 ≤ I

≤ +40µA 0.7 mV (max)

TEMP

Line Regulation +2.7V ≤ V

≤ +5.5V,

−30˚C ≤ T

≤ +120˚C

−0.2 mV/V

Supply Current 15 22

µA (max)

Digital Output and Input

OUT(“1”)

Logical “1” Output Leakage

Current (Note 9)

= +5.0V 0.001 1 µA (max)

OUT(“0”)

Logical “0” Output Voltage I

OUT

= +1.2mA and

≥2.7V;

OUT

= +3.2mA and

≥4.5V; (Note 8)

0.4 V (max)

OUT(“1”)

Logical “1” Push-Pull Output

Voltage

SOURCE

= 500µA, V

≥ 2.7V

0.8xV

V (min)

SOURCE

= 800µA,

≥4.5V

− 1.5 V (min)

HYST Input Logical ”1“ Threshold

Voltage

0.8xV

V (min)

HYST Input Logical ”0“ Threshold

Voltage

0.2xV

V (max)

LM27

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