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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP461 датащи(PDF) 6 Page - Texas Instruments |
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TMP461 датащи(HTML) 6 Page - Texas Instruments |
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6 / 38 page  6.5 Electrical Characteristics At TA = –55°C to 125°C and V+ = 1.7V to 3.6V, unless otherwise noted PARAMETER CONDITIONS MIN TYP MAX UNIT TEMPERATURE MEASUREMENT TLOCAL Local temperature sensor accuracy TA = –10°C to 100°C -1 ±0.125 1 °C TA = –55°C to 125°C -1.25 ±0.5 1.25 TREMOTE Remote temperature sensor accuracy TA = 0°C to 100°C, TD = –55°C to 150°C -1 ±0.125 1 °C TA = -55°C to 125°C, TD = –55°C to 150°C -1.5 ±0.5 1.5 TERROR_PS Temperature sensor error versus supply (local or remote) V+ = 1.7V to 3.6V -0.3 ±0.1 0.3 °C/V TRES Temperature resolution (local and remote) 0.0625 °C ADC resolution 12 Bits tCONV ADC conversion time One-shot mode, per channel (local or remote) 15 17 ms RSERIES Remote sensor source current High Series resistance 1kΩ (max) 85 120 155 µA Medium 30 45 60 Low 5 7.5 10 η Remote transistor ideality factor TMP461-EP optimized ideality factor 1.008 SERIAL INTERFACE (SCL, SDA) VIH High-level input voltage 1.4 V VIL Low-level input voltage 0.45 V VHYST Hysteresis 200 mV SDA output-low sink current 6 mA VOL Low-level output voltage IO = –6mA 0.15 0.4 V IIN Serial bus input leakage current 0V ≤ VIN ≤ 3.6V –1 1 μA CIN Serial bus input capacitance SCL 3.5 pF SDA 5 pF Serial bus clock frequency 2.17 MHz Serial bus timeout 20 25 30 ms DIGITAL INPUTS (A0, A1) VIH High-level input voltage 0.9×(V+) (V+) + 0.3 V VIL Low-level input voltage –0.3 0.1×(V+) V IIN Input leakage current 0V ≤ VIN ≤ 3.6V –1 1 μA CIN Input capacitance 4.5 pF DIGITAL OUTPUTS (THERM1, ALERT/THERM2) Output-low sink current 6 mA VOL Low-level output voltage IO = –6mA 0.15 0.4 V IOH High-level output leakage current VO = V+ 1 μA POWER SUPPLY V+ Specified supply voltage range 1.7 3.6 V IQ Quiescent current Active conversion, local sensor 240 375 µA Active conversion, remote sensors 400 600 Standby mode (between conversions) 15 35 Shutdown mode, serial bus inactive 3 8 Shutdown mode, serial bus active, fS = 400kHz 90 Shutdown mode, serial bus active, fS = 2.17MHz 350 POR Power-on reset threshold Rising edge 1.41 1.55 V TMP461-EP SNIS241 – SEPTEMBER 2025 www.ti.com 6 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: TMP461-EP |
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