LM75BDP datasheet(20/37 Pages) NXP

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LM75B

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Product data sheet

Rev. 6.1 — 6 February 2015

20 of 37

NXP Semiconductors

LM75B

Digital temperature sensor and thermal watchdog

11. Static characteristics

[1]

Typical values are at VCC = 3.3 V and Tamb =25 C.

Table 18.

Static characteristics

VCC = 2.8 V to 5.5 V; Tamb = 55 C to +125 C; unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

Tacc

temperature accuracy

Tamb = 25 C to +100 C

2-

C

Tamb = 55 C to +125 C

3-

C

Tres

temperature resolution

11-bit digital temp data

0.125

C

tconv(T)

temperature conversion

time

normal mode

Tconv

conversion period

normal mode

100

IDD(AV)

average supply current

normal mode: I2C-bus inactive

100

200

A

normal mode: I2C-bus active;

fSCL = 400 kHz

300

A

shutdown mode

0.2

1.0

A

VIH

HIGH-level input voltage

digital pins (SCL, SDA, A2 to A0)

0.7

 V

-VCC +0.3

VIL

LOW-level input voltage

digital pins

0.3

0.3

 V

VI(hys)

hysteresis of input voltage SCL and SDA pins

300

A2, A1, A0 pins

150

IIH

HIGH-level input current

digital pins; VI =VCC

1.0

+1.0

A

IIL

LOW-level input current

digital pins; VI = 0 V

1.0

+1.0

A

VOL

LOW-level output voltage

SDA and OS pins; IOL =3mA

0.4

IOL =4 mA

0.8

ILO

output leakage current

SDA and OS pins; VOH =VCC

A

Nfault

number of faults

programmable; conversions in

overtemperature-shutdown fault

queue

Tth(ots)

overtemperature

shutdown threshold

temperature

default value

C

Thys

hysteresis temperature

default value

C

input capacitance

digital pins

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