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ADM690A Arkusz danych(PDF) 2 Page - Analog Devices |
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ADM690A Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 8 page ADM690A/ADM692A/ADM802L/M/ADM805L/M–SPECIFICATIONS –2– REV. 0 (VCC = 4.75 V to 5.5 V (ADM690A/ADM802L/ADM805L), VCC = 4.5 V to 5.5 V, (ADM692A/ADM802M/ADM805M), VBATT = +2.8 V, TA = TMIN to TMAX unless otherwise noted) Parameter Min Typ Max Units Test Conditions/Comments VCC/VBATT OPERATION 1 VCC Operating Voltage Range 1.0 5.5 V Supply Current (Excludes IOUT) 70 100 µA Supply Current in Battery Backup Mode 0.05 1.0 µAV CC = 0 V, VBATT = 2.8 V Battery Standby Current 5.5 V > VCC > VBATT + 0.2 V (+ = Discharge, – = Charge) –0.1 +0.02 µA VOUT Output Voltage VCC – 0.02 VCC – 0.01 V IOUT = 5 mA VCC – 0.5 VCC – 0.05 V IOUT = 50 mA VCC – 0.02 V IOUT = 250 mA VOUT in Battery Backup Mode VBATT – 0.05 VBATT – 0.002 V IOUT = 250 µA, VCC < VBATT – 0.2 V Battery Switchover Threshold 20 mV Power Up –20 mV Power Down Battery Switchover Hysteresis 40 mV RESET THRESHOLD Reset Voltage Threshold ADM690A, ADM802L, ADM805L 4.5 4.65 4.75 V ADM692A, ADM802M, ADM805M 4.25 4.4 4.5 V ADM802L 4.55 4.7 V TA = 25 °C, V CC Falling ADM802M 4.30 4.45 V TA = 25 °C, V CC Falling Reset Threshold Hysteresis 40 mV Reset Timeout Delay 140 200 280 ms RESET Output Voltage VCC – 1.5 V ISOURCE = 800 µA 0.4 V ISINK = 3.2 mA 0.3 V ISINK = 100 µA, V CC = 1 V RESET Output Voltage 0.8 V ISOURCE = 4 µA, V CC = 1.1 V VCC – 1.5 V ADM805L/M, ISOURCE = 800 µA 0.4 V ADM805L/M, ISINK = 3.2 mA WATCHDOG TIMER Watchdog Timeout Period 1.0 1.6 2.25 s WDI Input Pulse Width 50 ns VIL = 0.4, VIH = 0.8 (VCC) WDI Input Threshold Logic Low 0.8 V Logic High 3.5 V WDI Input Current 10 µA WDI = VCC –10 µA WDI = 0 V POWER FAIL DETECTOR PFI Input Threshold 1.20 1.25 1.30 V ADM690A, ADM692A, ADM805L/M 1.225 1.25 1.275 V ADM802L/M PFI Input Current –25 0.01 +25 nA PFO Output Voltage VCC – 1.5 V ISOURCE = 800 µA 0.4 V ISINK = 3.2 mA NOTES 1Either V CC or VBATT can be 0 V if the other > +2.0 V. Specifications subject to change without notice. |
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