ADM692A
Info: : PRODUCTION
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ADM692A

Microprocessor Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, Active Low Reset and 250mA Output Current

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 3
1ku List Price Starting From $1.98
Features
  • Precision Supply Voltage Monitor
  • 4.65 V ADM690A/ADM802L/ADM805L
  • 4.40 V ADM692A/ADM802M/ADM805M
  • Reset Assertion Down to 1 V VCC
  • Reset Timeout—200 ms
  • Watchdog Timer—1.6 s
  • 100 mA Quiescent Supply Current
  • Automatic Battery Backup Power Switching
  • Voltage Monitor for Power Fail
  • ±2% Power Fail Accuracy on ADM802L/M
  • Space-Saving MicroSOIC Package (ADM690A)
Additional Details
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The ADM690A / ADM692A / ADM802L/M / ADM805L/M family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, and power failure warning.

The ADM690A / ADM692A / ADM802L/M/ ADM805L/M are available in 8-pin packages and provide:

  • Power-on reset output during power-up, power-down and brownout conditions. The RESET output remains operational with VCC as low as 1 V.
  • Battery backup switching for CMOS RAM, CMOS microprocessor or other low power devices.
  • A reset pulse if the optional watchdog timer has not been toggled within 1.6 seconds.
  • A 1.25 V threshold detector for power fail warning, low battery detection, or to monitor a power supply other than +5 V.

On the ADM690A / ADM802L / ADM805L the reset voltage threshold is 4.65 V. On the ADM692A / ADM802M / ADM805M, the reset voltage threshold is 4.40 V.

The ADM802L / ADM802M guarantee power fail accuracies to ±2%.

APPLICATIONS

  • Microprocessor Systems
  • Computers
  • Controllers
  • Intelligent Instruments
Part Models 3
1ku List Price Starting From $1.98

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Product Lifecycle

PCN

Aug 19, 2009

- 07_0024

Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad

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Product Lifecycle

PCN

Aug 19, 2009

- 07_0024

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Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad

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