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DS3234S- Datasheet(PDF) 7 Page - Maxim Integrated Products |
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DS3234S- Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 21 page Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM _____________________________________________________________________ 7 Typical Operating Characteristics (VCC = +3.3V, TA = +25°C, unless otherwise noted.) STANDBY SUPPLY CURRENT vs. SUPPLY VOLTAGE VCC (V) 5.3 4.8 4.3 2.8 3.3 3.8 50 100 150 125 75 25 0 2.3 RST ACTIVE INPUTS = GND BATTERY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (VBAT) 3.8 3.3 2.8 1100 2100 1850 2600 2350 1600 1350 850 600 2.3 VCC = 0V BB32kHz = 0 BBSQW = 1 BBSQW = 0 BATTERY CURRENT vs. TEMPERATURE TEMPERATURE ( °C) 80 60 40 -20 0 20 700 650 750 800 850 600 -40 VBAT = 3.4V VBAT = 3.0V VCC = 0V BB32kHz = 0 BBSQW = 0 FREQUENCY DEVIATION vs. TEMPERATURE vs. AGING VALUE TEMPERATURE ( °C) 80 60 40 -20 020 25 15 5 -5 -15 -25 -35 65 55 45 35 -45 -40 AGING = -128 AGING = -33 AGING = 127 AGING = 0 AGING = 32 ICCA vs. DOUT LOAD CAPACITANCE (pF) 40 30 20 10 250 350 300 400 450 500 200 0 SCLK = 4MHz DELTA TIME AND FREQUENCY vs. TEMPERATURE TEMPERATURE ( °C) 80 70 50 60 -10 0 10 20 30 40 -30 -20 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 -200 -80 -60 -40 -20 0 -100 -40 DS3234 toc06 CRYSTAL +20ppm CRYSTAL -20ppm TYPICAL CRYSTAL, UNCOMPENSATED DS3234 ACCURACY BAND |
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