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ADM6824:  Low Voltage Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SOT-23

Информация о продукте

The ADM6823/ADM6824/ADM6825 are supervisory circuits that 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 it 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 parts feature different combinations of watchdog input and manual reset input and output stage configurations, as shown in Table 1 in the datasheet.

Each part is available in nine reset threshold options, ranging from 1.58 V to 4.63 V. The reset and watchdog timeout periods are fixed at 140 ms (minimum) and 1.6 sec (typical), respectively.

The ADM6823/ADM6824/ADM6825 are available in 5-lead SOT-23 packages and typically consume only 7 μA, making them suitable for use in low power, portable applications.

Applications
  • Microprocessor systems
  • Computers
  • Controllers
  • Intelligent instruments
  • Portable equipment

ОСОБЕННОСТИ И ПРЕИМУЩЕСТВА

  • Precision Low Voltage Monitoring
  • 9 reset threshold options: 1.58 V to 4.63 V
  • 140 ms (min) Reset Timeout
  • Reset Output Stages
    Push-pull Active-low
    Open-drain Active-low
    Push-pull Active-high
  • Low Power Consumption (7 μA)
  • Guaranteed Reset Output Valid to VCC = 1 V
  • Power Supply Glitch Immunity
  • Specified from −40°C to +125°C
  • 5-lead SOT-23 Package

Functional Block Diagram for ADM6824

Документация

Наименование Тип контента Тип файлов
ADM6823/ADM6824/ADM6825: Low Voltage Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SOT-23 Data Sheet (Rev B, 02/2013) (pdf, 220 kB) Технические описания PDF
Supervisory Devices Complementary Parts Guide for Altera FPGAs  (pdf, 664 kB) Product Selection Guide PDF
Supervisory Devices Complementary Parts Guide for Xilinx FPGAs  (pdf, 661 kB) Product Selection Guide PDF
Supervisory Devices Complementary Parts Guide for Altera FPGAs  (pdf, 664 kB) Техническая периодика PDF
Supervisory Devices Complementary Parts Guide for Xilinx FPGAs  (pdf, 661 kB) Техническая периодика PDF
Voltage Monitoring and Sequencing (2009/2010)  (pdf) Обзор PDF
Voltage Monitoring Products 2008  (pdf, 3930 kB) Обзор PDF
Power System Management (Spring 2007)  (pdf, 1170 kB) Обзор PDF
RAQs index Rarely Asked Questions HTML
Словарь терминов Глоссарий HTML

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