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ADM824

Features: Precision 2.5 V to 5 V power supply monitor7 reset threshold options: 2.19 V to 4.63 V140 ms (min) reset timeoutWatchdog timer with 1.6s timeout (ADM823, ADM824)Manual reset input (ADM823, ADM825)Push-pull output stages:RESET (ADM823)RESET, RESET (ADM824/ADM825)Low power consumption (3 A...

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SeekIC No. : 004276036 Detail

ADM824: Features: Precision 2.5 V to 5 V power supply monitor7 reset threshold options: 2.19 V to 4.63 V140 ms (min) reset timeoutWatchdog timer with 1.6s timeout (ADM823, ADM824)Manual reset input (ADM823,...

ADM824 Data Sheet

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Part Number:
ADM824
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Precision 2.5 V to 5 V power supply monitor
7 reset threshold options: 2.19 V to 4.63 V
140 ms (min) reset timeout
Watchdog timer with 1.6s timeout (ADM823, ADM824)
Manual reset input (ADM823, ADM825)
Push-pull output stages:
RESET (ADM823)
RESET, RESET (ADM824/ADM825)
Low power consumption (3 A)
Guaranteed reset output valid to VCC = 1 V
Power supply glitch immunity
Specified over automotive temperature range
5-lead SC70 and SOT-23 packages


Application

Microprocessor systems
Computers
Controllers
Intelligent instruments
Portable equipment


Description

The ADM823/ADM824/ADM825 are supervisory circuits which monitor power supply voltage levels and code execution integrity in microprocessor-based systems. As well as providing power on reset signals, an on-chip watchdog timer can reset the microprocessor if ADM823/ADM824/ADM825 fails to strobe within a preset timeout period. A reset signal can also be asserted by means of an external push-button, through a manual reset input. The three parts feature different combinations of watchdog input, manual reset input and output stage configuration, as shown in Table 1.

Each part of ADM823/ADM824/ADM825 is available in a choice of seven reset threshold options ranging from 2.19 V to 4.63 V. The reset and watchdog timeout periods are fixed at 140 ms (min) and 1.6s (typ), respectively.

The ADM823/ADM824/ADM825 are available in 5-lead SC70 and SOT-23 packages and typically consume only 3 A, making them suitable for use in low power portable applications.




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