Product Summary
The ADM691AR supervisory circuit offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. The function of the ADM691AR includes mP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.
Parametrics
ADM691AR absolute maximum ratings: (1)VCC: –0.3 V to +6 V; (2)VBATT: –0.3 V to +6 V; (3)All Other Inputs: –0.3 V to VOUT + 0.5 V; (4)Input Current, VCC: 200 mA, VBATT: 50 mA, GND: 20 mA; (5)Digital Output Current: 20 mA; (6)Power Dissipation, N-8 DIP: 400 mW; (7)θJA Thermal Impedance: 120℃/W; (8)Power Dissipation, Q-8 DIP: 500 mW; (9)θJA Thermal Impedance: 125℃/W; (10)Power Dissipation, N-16 DIP: 600 mW; (11)θJA Thermal Impedance: 135℃/W; (12)Power Dissipation, Q-16 DIP: 600 mW; (13)θJA Thermal Impedance: 100℃/W; (14)Power Dissipation, R-16 SOIC: 600 mW; (15)θJA Thermal Impedance: 110℃/W.
Features
ADM691AR features: (1)Superior Upgrade for MAX690–MAX695; (2)Specified Over Temperature; (3)Low Power Consumption (5 mW); (4)Precision Voltage Monitor; (5)Reset Assertion Down to 1 V VCC; (6)Low Switch On-Resistance 1.5 Ω Normal, 20 Ω in Backup; (7)High Current Drive (100 mA); (8)Watchdog Timer—100 ms, 1.6 s, or Adjustable; (9)600 nA Standby Current; (10)Automatic Battery Backup Power Switching; (11)Extremely Fast Gating of Chip Enable Signals (5 ns); (12)Voltage Monitor for Power Fail.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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ADM691AR |
IC SUPER MPU 4.65 250MA 16SOIC |
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ADM691AR-REEL |
IC SUPER MPU 4.65 250MA 16SOIC |
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ADM691AR-REEL7 |
Analog Devices Inc |
IC SUPERVISOR MPU 4.65V 16SOIC |
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ADM691ARZ |
IC SUPER MPU 4.65 250MA 16SOIC |
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ADM691ARZ-REEL |
IC SUPERVISOR MPU 4.65V 16SOIC |
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ADM691ARZ-REEL7 |
IC SUPERVISOR MPU 4.65V 16SOIC |
Data Sheet |
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