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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SWCS049H Fiches technique(PDF) 19 Page - Texas Instruments |
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SWCS049H Fiches technique(HTML) 19 Page - Texas Instruments |
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19 / 119 page  19 TPS659110, TPS659112, TPS659113 TPS659114, TPS659118, TPS6591133 www.ti.com SWCS049Q – JUNE 2010 – REVISED MARCH 2016 Submit Documentation Feedback Product Folder Links: TPS659110 TPS659112 TPS659113 TPS659114 TPS659118 TPS6591133 Specifications Copyright © 2010–2016, Texas Instruments Incorporated 5.11 Thermal Monitoring and Shutdown over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Hot-die temperature rising threshold THERM_HDSEL[1:0] = 00 117 °C THERM_HDSEL[1:0] = 01 121 THERM_HDSEL[1:0] = 10 113 125 136 THERM_HDSEL[1:0] = 11 130 Hot-die temperature hysteresis 10 °C Thermal shutdown temperature rising threshold 136 148 160 °C Thermal shutdown temperature hysteresis 10 °C Ground current Device in ACTIVE state, Temp = 27°C, VCC7 = 3.8 V 6 µA 5.12 32-kHz RTC Clock over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CLK32KOUT rise and fall time CL = 35 pF 10 ns BYPASS CLOCK (OSC32KIN: INPUT, OSC32KOUT FLOATING) Input bypass clock frequency OSCKIN input 32 kHz Input bypass clock duty cycle OSCKIN input 40% 60% Input bypass clock rise and fall time 10%–90%, OSC32KIN input 10 20 ns CLK32KOUT duty cycle Logic output signal 40% 60% Bypass clock setup time 32KCLKOUT output 1 ms Ground current Bypass mode 1.5 µA CRYSTAL OSCILLATOR (CONNECTED FROM OSC32KIN TO OSC32KOUT) Crystal frequency at specified load capacitor value 32.768 kHz Crystal tolerance at 27°C –20 0 20 ppm Frequency temperature coefficient Oscillator contribution (not including crystal variation) –0.5 0.5 ppm/°C Secondary temperature coefficient –0.04 –0.035 –0.03 ppm/°C2 Voltage coefficient –2 2 ppm/V Max crystal series resistor At fundamental frequency 90 k Ω Crystal load capacitor According to crystal data sheet 6 12.5 pF Load crystal oscillator Coscin, Coscout Parallel mode including parasitic PCB capacitor 12 25 pF Quality factor 8000 80000 Oscillator start-up time On power on 2 s Ground current 1.5 µA RC OSCILLATOR (OSC32KIN: GROUNDED, OSC32KOUT FLOATING) Output frequency CK32KOUT output 32 kHz Output frequency accuracy at 25°C –15% 0% 15% Cycle jitter (RMS) Oscillator contribution 10% Output duty cycle 40% 50% 60% Settling time 150 µs Ground current Active at fundamental frequency 4 µA |
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