LM75BDP datasheet(18/29 Pages) NXP

18 / 29 page

LM75B_2

Product data sheet

Rev. 02 — 9 December 2008

18 of 29

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 17.

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

µA

normal mode: I2C-bus active;

fSCL = 400 kHz

300

µA

shutdown mode

0.2

1.0

µA

VIH

HIGH-level input voltage

digital pins (SCL, SDA, A2 to A0)

0.7

× VCC -VCC + 0.3

VIL

LOW-level input voltage

digital pins

−0.3

0.3

× VCC

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

µA

IIL

LOW-level input current

digital pins; VI = 0 V

−1.0

+1.0

µA

VOL

LOW-level output voltage

SDA and OS pins; IOL = 3 mA

0.4

IOL = 4 mA

0.8

ILO

output leakage current

SDA and OS pins; VOH =VCC

µA

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

LM75BDP датащи(PDF) 18 Page - NXP Semiconductors

LM75BDP датащи(HTML) 18 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

датащи скачать

ссылки URL