ADM8614 Datasheet

Ultralow Power Voltage Supervisor with Short and Long Watchdog Timer

Part No.:
ADM8614
Manufacturer:
Analog Devices, Inc.
Page:
17 Pages
Size:
292 KB
Views:
0
Update Time:
2025-12-02 11:10:31

ADM8614 DataSheet Applicable Part

Part No. In Stock Price Packaging SPQ Marking MSL Pins Temp Range Package Description
ADM8614Y263ACBZ-R7 9000pcs $0.819 Reel 3000 DR 1 6 -40°C ~ 85°C 6-Ball WLCSP
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADM8614 DataSheet PDF

ADM8614 Features

  • Ultralow power consumption with ICC = 92 nA (typical)
  • Continuous monitoring with no blank time
  • Pretrimmed voltage monitoring threshold options
    • 5 options from 2.32 V to 4.63 V for the ADM8614
  • ±1.3% threshold accuracy over full temperature range
  • 200 ms (typical) reset timeout
  • Watchdog timer (ADM8614)
    • Watchdog function disable input (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

ADM8614 Applications

  • Portable/battery-operated equipment
  • Microprocessor systems
  • Energy metering
  • Energy harvesting

ADM8614 Description

The ADM8614 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 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 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 battery-powered portable devices and energy meters.

The features of each member of the device family are shown in Table 9 in the data sheet. Each device subdivides into submodels with differences in factory preset voltage monitoring threshold options. In the range of 2.32 V to 4.63 V, five options are available for both the ADM8614. Not all device options are available as standard models.

The watchdog function on the ADM8614 monitors the heartbeat of the microprocessor through the WDI pin. The ADM8614 have a watchdog disable input, which allows the user to disable the watchdog function, if required. The ADM8614 also has a watchdog timeout extension input, allowing the watchdog timeout to be extended from 1.6 sec to 100 sec.

The ADM8614 are available in a 6-ball, 1.46 mm × 0.96 mm WLCSP. The ADM8614 are specified over the temperature range of −40°C to +85°C.  

ADM8614 Datasheet FAQs