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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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TMP451 Datenblatt(PDF) 5 Page - Texas Instruments |
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TMP451 Datenblatt(HTML) 5 Page - Texas Instruments |
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5 / 34 page  SCL SDA t (LOW) t R t F t (HDSTA) t (HDSTA) t (HDDAT) t (BUF) t (SUDAT) t (HIGH) t (SUSTA) t (SUSTO) P S S P TMP451-Q1 www.ti.com SLOS877 – OCTOBER 2014 Electrical Characteristics (continued) At TA = –40°C to 125°C and V+ = 3.3 V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNIT POWER SUPPLY V(V+) Specified voltage range 1.7 3.6 V 0.0625 conversions per second 27 40 μA 16 conversions per second 165 250 μA 32 conversions per second 300 450 μA IQ Quiescent current Serial bus inactive, shutdown mode 3 8 μA Serial bus active, ƒS = 400 kHz, shutdown mode 90 μA Serial bus active, ƒS = 2.5 MHz, shutdown mode 350 μA POR Power-on reset threshold 1.2 1.55 V 6.6 Timing Characteristics for Figure 1 FAST MODE HIGH-SPEED MODE PARAMETER MIN MAX MIN MAX UNIT ƒ(SCL) SCL operating frequency 0.001 0.4 0.001 2.5 MHz t(BUF) Bus free time between STOP and START Condition 1300 260 ns Hold time after repeated START condition. After this period, the first clock is t(HDSTA) 600 160 ns generated. t(SUSTA) Repeated START condition setup time 600 160 ns t(SUSTO) STOP condition setup time 600 160 ns t(HDDAT) Data hold time 0 900 0 150 ns t(SUDAT) Data setup time 100 30 ns t(LOW) SCL clock LOW period 1300 260 ns t(HIGH) SCL clock HIGH period 600 60 ns tF, tR – SDA Data fall and rise time 300 80 ns tF, tR – SCL Clock fall and rise time 300 40 ns tR Rise time for SCL ≤ 100 kHz 1000 ns Figure 1. Two-Wire Timing Diagram Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TMP451-Q1 |
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