TMP411CD datasheet(3/32 Pages) TI

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TMP411

SBOS383C − DECEMBER 2006 − REVISED MAY 2008

www.ti.com

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

Resolution

Local Temperature Sensor (programmable)

Bits

Remote Temperature Sensor

Bits

Remote Sensor Source Currents

High

Series Resistance 3k

Ω Max

120

µA

Medium High

µA

Medium Low

µA

Low

µA

Remote Transistor Ideality Factor

TMP411 Optimized Ideality Factor

1.008

SMBus INTERFACE

Logic Input High Voltage (SCL,

SDA)

VIH

2.1

Logic Input Low Voltage (SCL, SDA)

VIL

0.8

Hysteresis

500

SMBus Output Low Sink Current

Logic Input Current

−1

µA

SMBus Input Capacitance (SCL, SDA)

SMBus Clock Frequency

3.4

MHz

SMBus Timeout

SCL Falling Edge to SDA Valid Time

µs

DIGITAL OUTPUTS

Output Low Voltage

VOL

IOUT = 6mA

0.15

0.4

High-Level Output Leakage Current

IOH

VOUT = VS

0.1

µA

ALERT/THERM2 Output Low Sink Current

ALERT/THERM2 Forced to 0.4V

THERM Output Low Sink Current

THERM Forced to 0.4V

POWER SUPPLY

Specified Voltage Range

2.7

5.5

Quiescent Current

0.0625 Conversions per Second, VS = 3.3V

µA

Eight Conversions per Second, VS = 3.3V

400

475

µA

Serial Bus Inactive, Shutdown Mode

µA

Serial Bus Active, fS = 400kHz, Shutdown Mode

µA

Serial Bus Active, fS = 3.4MHz, Shutdown Mode

350

µA

Undervoltage Lock Out

2.3

2.4

2.6

Power-On Reset Threshold

POR

1.6

2.3

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.

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