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ADM6821TART-RL7 Datasheet(PDF) 3 Page - Analog Devices |
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ADM6821TART-RL7 Datasheet(HTML) 3 Page - Analog Devices |
3 / 7 page Preliminary Technical Data ADM6821–ADM6825 Rev.PrA | Page 3 of 7 Parameter Min Typ Max Units Test Conditions/Comments 0.8 ×VCC V VCC>=3.15V, ISOURCE=500uA, reset not asserted 0.8 ×VCC V VCC>=1.8V, ISOURCE=200uA, reset not asserted RESET Output Voltage High 0.8 ×VCC VCC>=4.25V, ISOURCE=800uA, reset asserted 0.8 ×VCC VCC>=2.55V, ISOURCE=500uA, reset asserted 0.8 ×VCC VCC>=1.50V, ISOURCE=100uA, reset asserted 0.8 ×VCC VCC>=1.0V, ISOURCE=1uA, reset asserted, TA=-40°C to +85°C RESET Output Voltage Low 0.4 V VCC>=4.75V, ISINK=3.2mA, reset not asserted 0.3 V VCC>=3.15V, ISINK=1.2mA, reset not asserted 0.3 V VCC>=1.8V, ISINK=500uA, reset not asserted WATCHDOG INPUT (ADM6821-ADM6824) Watchdog Timeout Period 1.12 1.6 2.40 s WDI Pulse Width 50 ns VIL=0.4V, VIH=0.8 ×VCC, WDI Input Threshold VIL 0.3xVCC V VIH 0.7xVCC V WDI Input Current 120 160 µA VWDI= VCC, time average -20 -15 µA VWDI=0, time average MANUAL RESET INPUT (ADM6821-ADM6823/ADM6825) MR Input Threshold 0.3xVCC V 0.7xVCC V MR Input Pulse Width 1 µs MR Glitch Rejection 100 ns MR Pull-up Resistance 25 50 75 k MR to Reset Delay 200 ns ABSOLUTE MAXIMUM RATINGS Table 3. TA = 25°C unless otherwise noted. Parameter Rating VCC -0.3V to +6V Output Current (RESET, RESET) 20mA Operating Temperature Range -40°C to +125°C Storage Temperature Range -65°C to +150°C θJA Thermal Impedance 270°C/W Lead Temperature Soldering (10 sec) 300°C Vapour Phase (60 sec) 215°C Infrared (15 sec) 220°C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. |
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