ADM805LARNZ

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MICROPROCESSOR SUPERVISOR WITH BACKUP BATTERY SWITCHOVER, WATCHDOG FEATURE, POWER FAIL WARNING, 4.4V/4.65V THRESHOLD VOLTAGE, ACTIVE HIGH RESET AND 250MA OUTPUT CURRENT

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ADM805LARNZ

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Analog Devices Inc./Maxim Integrated

MICROPROCESSOR SUPERVISOR WITH BACKUP BATTERY SWITCHOVER, WATCHDOG FEATURE, POWER FAIL WARNING, 4.4V/4.65V THRESHOLD VOLTAGE, ACTIVE HIGH RESET AND 250MA OUTPUT CURRENT

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Description Specifications Series Pricing CAD Documents

Description

General part information

ADM805 Series

TheADM690A/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 mP 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. TheRESEToutput remains operational with VCCas 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%.

Technical Specifications

Parameters and characteristics for this part

Specification	ADM805LARNZ

Mounting Type	Surface Mount
Number of Voltages Monitored	1
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Output	Push-Pull, Totem Pole
Package Length	0.154 in
Package Name	8-SOIC
Package Width	3.9 mm
Reset	Active High
Reset Timeout (Minimum)	140 ms
Type	Battery Backup Circuit
Voltage - Threshold	4.65 V

ADM805 Series

Microprocessor Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V/4.65V Threshold Voltage, Active High Reset and 250mA Output Current

Part	Number of Voltages Monitored	Voltage - Threshold	Mounting Type	Package Length	Package Name	Package Width	Reset	Output	Type	Reset Timeout (Minimum)	Operating Temperature (Max)	Operating Temperature (Min)
Analog Devices Inc./Maxim Integrated ADM805LANZ	1	4.65 V	Through Hole	0.3 in	8-DIP 8-PDIP	7.62 mm	Active High	Push-Pull Totem Pole	Battery Backup Circuit	140 ms	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated ADM805LARNZ-REEL	1	4.65 V	Surface Mount	0.154 in	8-SOIC	3.9 mm	Active High	Push-Pull Totem Pole	Battery Backup Circuit	140 ms	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated ADM805LARNZ	1	4.65 V	Surface Mount	0.154 in	8-SOIC	3.9 mm	Active High	Push-Pull Totem Pole	Battery Backup Circuit	140 ms	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated ADM805LARN	1	4.65 V	Surface Mount	0.154 in	8-SOIC	3.9 mm	Active High	Push-Pull Totem Pole	Battery Backup Circuit	140 ms	85 °C	-40 °C

Pricing

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CAD

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Documents

Technical documentation and resources

Datasheet

Package Drawing - 8-Lead SOIC