Datenblatt-Suchmaschine für elektronische Bauteile |
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TMP423AQDCNTQ1 Datenblatt(PDF) 6 Page - Texas Instruments |
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TMP423AQDCNTQ1 Datenblatt(HTML) 6 Page - Texas Instruments |
6 / 38 page 6 TMP421-Q1, TMP422-Q1, TMP423-Q1 SBOS821 – NOVEMBER 2016 www.ti.com Product Folder Links: TMP421-Q1 TMP422-Q1 TMP423-Q1 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) Tested with less than 5- Ω effective series resistance and 100-pF differential input capacitance. 7.5 Electrical Characteristics at TA = –40°C to +125°C and V+ = 2.7 V to 5.5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TEMPERATURE ERROR TELOCAL Local temperature sensor TA = –40°C to +125°C –2.5 ±1.25 2.5 °C TA = 15°C to 85°C, V+ = 3.3 V –1.5 ±0.25 1.5 TEREMOTE Remote temperature sensor(1) TA = 15°C to 85°C, TD = –40°C to +150°C, V+ = 3.3 V –1 ±0.25 1 °C TA = –40°C to +100°C, TD = –40°C to +150°C, V+ = 3.3 V –3 ±1 3 TA = –40°C to +125°C, TD = –40°C to +150°C –5 ±3 5 PSS Local and remote power-supply sensitivity V+ = 2.7 V to 5.5 V –0.5 ±0.2 0.5 °C/V TEMPERATURE MEASUREMENT Conversion time (per channel) 100 115 130 ms Resolution Local temperature sensor (programmable) 12 Bits Remote temperature sensor 12 Remote sensor source currents High, series resistance = 3 k Ω maximum 120 μA Medium high 60 Medium low 12 Low 6 η Remote transistor ideality factor TMP42x-Q1 optimized ideality factor 1.008 SMBus INTERFACE VIH Logic input high voltage (SCL, SDA) 2.1 V VIL Logic input low voltage (SCL, SDA) 0.8 V Hysteresis 500 mV SMBus output low sink current 6 mA VOL SDA output low voltage IOUT = 6 mA 0.15 0.4 V Logic input current 0 ≤ VIN ≤ 6 V –1 1 μA DIGITAL INPUTS Input capacitance 3 pF VIH Input logic high voltage 0.7(V+) (V+)+0.5 V VIL Input logic low voltage –0.5 0.3(V+) V IIN Leakage input current 0 V ≤ VIN ≤ V+ 1 μA POWER SUPPLY V+ Specified voltage range 2.7 5.5 V IQ Quiescent current 0.0625 conversions per second 32 38 μA Eight conversions per second 400 525 μA Serial bus inactive, shutdown mode 3 10 μA Serial bus active, fS = 400 kHz, shutdown mode 90 μA Serial bus active, fS = 3.4 MHz, shutdown mode 350 μA UVLO Undervoltage lockout 2.3 2.4 2.6 V POR Power-on-reset threshold 1.6 2.3 V |
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