TMP411CDR datasheet(3/33 Pages) TI1

部件名	TMP411CDR

功能描述	Remote and Local TEMPERATURE SENSOR with N-Factor and Series Resistance Correction

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制造商	TI1 [Texas Instruments]

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TMP411

SBOS383C − DECEMBER 2006 − REVISED MAY 2008

www.ti.com

3

ELECTRICAL CHARACTERISTICS

At TA = −40°C to +125°C and VS = 2.7V to 5.5V, unless otherwise noted.

TMP411

PARAMETERS

CONDITIONS

MIN

TYP

MAX

UNITS

TEMPERATURE ERROR

Local Temperature Sensor

TELOCAL

TA = −40°C to +125°C

±1.25

±2.5

°C

TA = +15°C to +85°C, VS = 3.3V

±0.0625

±1

°C

Remote Temperature Sensor(1)

TEREMOTE

TA = +15°C to +75°C, TDIODE = −40°C to +150°C, VS = 3.3V

±0.0625

±1

°C

TA = −40°C to +100°C, TDIODE = −40°C to +150°C, VS = 3.3V

±1

±3

°C

TA = −40°C to +125°C, TDIODE = −40°C to +150°C

±3

±5

°C

vs Supply

Local/Remote

VS = 2.7V to 5.5V

±0.2

±0.5

°C/V

TEMPERATURE MEASUREMENT

Conversion Time (per channel)

One-Shot Mode

105

115

125

ms

Resolution

Local Temperature Sensor (programmable)

9

12

Bits

Remote Temperature Sensor

12

Bits

Remote Sensor Source Currents

High

Series Resistance 3k

Ω Max

120

µA

Medium High

60

µA

Medium Low

12

µA

Low

6

µA

Remote Transistor Ideality Factor

η

TMP411 Optimized Ideality Factor

1.008

SMBus INTERFACE

Logic Input High Voltage (SCL,

SDA)

VIH

2.1

V

Logic Input Low Voltage (SCL, SDA)

VIL

0.8

V

Hysteresis

500

mV

SMBus Output Low Sink Current

6

mA

Logic Input Current

−1

+1

µA

SMBus Input Capacitance (SCL, SDA)

3

pF

SMBus Clock Frequency

3.4

MHz

SMBus Timeout

25

30

35

ms

SCL Falling Edge to SDA Valid Time

1

µs

DIGITAL OUTPUTS

Output Low Voltage

VOL

IOUT = 6mA

0.15

0.4

V

High-Level Output Leakage Current

IOH

VOUT = VS

0.1

1

µA

ALERT/THERM2 Output Low Sink Current

ALERT/THERM2 Forced to 0.4V

6

mA

THERM Output Low Sink Current

THERM Forced to 0.4V

6

mA

POWER SUPPLY

Specified Voltage Range

VS

2.7

5.5

V

Quiescent Current

IQ

0.0625 Conversions per Second, VS = 3.3V

28

30

µA

Eight Conversions per Second, VS = 3.3V

400

475

µA

Serial Bus Inactive, Shutdown Mode

3

10

µA

Serial Bus Active, fS = 400kHz, Shutdown Mode

90

µA

Serial Bus Active, fS = 3.4MHz, Shutdown Mode

350

µA

Undervoltage Lock Out

2.3

2.4

2.6

V

Power-On Reset Threshold

POR

1.6

2.3

V

TEMPERATURE RANGE

Specified Range

−40

+125

°C

Storage Range

−60

+130

°C

Thermal Resistance

MSOP-8, SO-8

150

°C/W

(1) Tested with less than 5Ω effective series resistance and 100pF differential input capacitance. TA is the ambient temperature of the TMP411. TDIODE is the

temperature at the remote diode sensor.

类似零件编号 - TMP411CDR

制造商	部件名	数据表	功能描述
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