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ADM8614

Analog Devices
Part Number ADM8614
Manufacturer Analog Devices
Description Ultralow Power Supervisory
Published Mar 6, 2017
Detailed Description Data Sheet Ultralow Power Supervisory ICs with Watchdog Timer and Manual Reset ADM8611/ADM8612/ADM8613/ADM8614/ADM8615 ...
Datasheet PDF File ADM8614 PDF File

ADM8614
ADM8614

Overview
Data Sheet Ultralow Power Supervisory ICs with Watchdog Timer and Manual Reset ADM8611/ADM8612/ADM8613/ADM8614/ADM8615 FEATURES Ultralow power consumption with ICC = 92 nA (typical) Continuous monitoring with no blank time Pretrimmed voltage monitoring threshold options 10 options from 2 V to 4.
63 V for the ADM8611 20 options from 0.
5 V to 1.
9 V for the ADM8612/ADM8615 5 options from 2.
32 V to 4.
63 V for the ADM8613/ADM8614 ±1.
3% threshold accuracy over full temperature range Manual reset input (ADM8611/ADM8612/ADM8613/ADM8615) 200 ms (typical) reset timeout Low voltage input monitoring down to 0.
5 V (ADM8612/ ADM8615) Watchdog timer (ADM8613/ADM8614/ADM8615) Watchdog function disable input (ADM8613/ADM8614 only) Watchdog timeout extension input (ADM8614 only) Active low, open-drain RESET output Power supply glitch immunity Available in a 1.
46 mm × 0.
96 mm WLCSP Operational temperature range: −40°C to +85°C APPLICATIONS Portable/battery-operated equipment Microprocessor systems Energy metering Energy harvesting GENERAL DESCRIPTION The ADM8611/ADM8612/ADM8613/ADM8614/ADM8615 are voltage supervisory circuits that monitor power supply voltage levels and code execution integrity in microprocessor-based systems.
Apart from providing power-on reset signals, an onchip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period.
A reset signal can also be asserted by an external push-button through a manual reset input.
The ultralow power consumption of these devices makes them suitable for power efficiency sensitive systems, such as batterypowered portable devices and energy meters.
The features of each member of the device family are shown in Table 9.
Each device subdivides into submodels with differences in factory preset voltage monitoring threshold options.
In the range of 2 V to 4.
63 V, 10 options are available for the ADM8611.
In the range of 2.
32 V to 4.
63 V, five options are available for 12782-001 FUNCTIONAL BLOCK DIAGRAMS ...


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