ADM691AR Analog Devices Inc, ADM691AR Datasheet
ADM691AR
Specifications of ADM691AR
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ADM691AR Summary of contents
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FEATURES Low Power Consumption: Precision Voltage Monitor 2% Tolerance on ADM800L/M Reset Time Delay—200 ms, or Adjustable 1 A Standby Current Automatic Battery Backup Power Switching Fast Onboard Gating of Chip Enable Signals Also Available in TSSOP Package (ADM691A) ...
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ADM691A/ADM693A/ADM800L/M–SPECIFICATIONS ( 5.5 V (ADM691A, ADM800L) 4 5.5 V (ADM693A, ADM800M Parameter BATTERY BACKUP SWITCHING Operating Voltage Range CC BATT V Output Voltage OUT Output Resistance ...
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Parameter CHIP ENABLE GATING CE Leakage Current Resistance IN OUT Propagation Delay IN OUT CE Short-Circuit Current OUT CE Output Voltage OUT RESET to CE Propagation Delay OUT OSCILLATOR OSC IN Input Current ...
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ADM691A/ADM693A/ADM800L/M Pin Mnemonic Function 1 V Backup Battery Input. Connect to external battery or capacitor. Connect to ground if a backup battery is BATT not used Output Voltage, V OUT tial. When V When V is lower than ...
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Typical Performance Curves– 100 –50 – TEMPERATURE – C Figure 2. I vs. Temperature: Normal Operation –50 –30 – ...
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ADM691A/ADM693A/ADM800L 0.5 1.0 1.5 2.0 2.5 3.0 V – Figure 8. Battery Current vs. Input Supply Voltage 100 LONG WATCHDOG TIMEOUT PERIOD 10 RESET ACTIVE TIMEOUT ...
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Figure 14. RESET Output Voltage vs. Supply POWER FAIL RESET OUTPUT RESET is an active low output that provides a reset signal to the Microprocessor whenever invalid level. When V CC ...
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ADM691A/ADM693A/ADM800L/M Changing the Watchdog and Reset Timeout The watchdog and reset timeout periods may be controlled us- ing OSC SEL and OSC IN. Please refer to Table II. With both these inputs floating (or connected to V reset timeout is ...
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OSC SEL ADM69_A ADM800_ 7 OSC IN C OSC Figure 18d. Internal Oscillator (100 ms Watchdog) WDI WDO t 2 RESET RESET TIME NORMAL (SHORT) WATCHDOG TIMEOUT PERIOD ...
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ADM691A/ADM693A/ADM800L/M APPLICATIONS INFORMATION INCREASING THE DRIVE CURRENT If the continuous output current requirements at V 250 lower V –V voltage differential is desired OUT external PNP pass transistor may be connected in parallel with ...
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RAM Write Protection The CE line drives the Chip Select inputs of the CMOS OUT RAM. CE follows CE as long as V OUT IN threshold falls below the reset threshold high, independent of the logic ...
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ADM691A/ADM693A/ADM800L/M 16-Lead Plastic DIP (N-16) 0.840 (21.33) 0.745 (18.93 0.280 (7.11) 0.240 (6.10 PIN 1 0.060 (1.52) 0.015 (0.38) 0.210 (5.33) MAX 0.130 (3.30) 0.160 (4.06) MIN 0.115 (2.93) 0.100 0.070 (1.77) SEATING 0.022 (0.558) PLANE ...