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ADM8641

Analog Devices
Part Number ADM8641
Manufacturer Analog Devices
Description Ultralow Power Voltage Detector
Published Feb 11, 2015
Detailed Description Data Sheet FEATURES Ultralow power consumption with ICC = 92 nA (typical) Precision, low voltage monitoring Pretrimmed v...
Datasheet PDF File ADM8641 PDF File

ADM8641
ADM8641

Overview
Data Sheet FEATURES Ultralow power consumption with ICC = 92 nA (typical) Precision, low voltage monitoring Pretrimmed voltage monitoring threshold options 10 options from 2 V to 4.
63 V for the ADM8641 20 options from 0.
5 V to 1.
9 V for the ADM8642 ±1.
3% threshold accuracy over full temperature range Output disable input 23 μs to 26 μs typical propagation delay Open-drain type 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 Ultralow Power Voltage Detector ADM8641/ADM8642 FUNCTIONAL BLOCK DIAGRAMS VCC ADM8641 DIS VTH OUT 12781-001 GND Figure 1.
ADM8641 Functional Block Diagram VCC ADM8642 DIS VIN VTH OUT 12781-002 GENERAL DESCRIPTION The ADM8641 and ADM8642 are simple voltage detectors suitable for use in general-purpose applications.
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 factory preset detection thresholds from 0.
5 V to 4.
63 V with ±1.
2% accuracy over the full temperature range enable the devices to monitor the node of interest accurately with direct contact.
The DIS input lets the user hold the output low regardless of the state of the input.
Not all device options are GND Figure 2.
ADM8642 Functional Block Diagram released for sale as standard models.
See the Ordering Guide section for full information.
The ADM8641 monitors the voltage using the VCC pin.
The separate supply pin on the ADM8642 allows it to have a lower detection threshold down to 0.
5 V.
The ADM8641 and ADM8642 are available in a 6-ball, 1.
46 mm × 0.
96 mm WLCSP.
These devices are specified over the −40°C to +85°C temperature range.
Rev.
D Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by A...


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