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TMP411CD Datasheet(PDF) 3 Page - Texas Instruments |
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TMP411CD Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 32 page  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. |
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