ADM8642

PRODUCTION

Ultralow Power Voltage Detector with Disable Input and Low Threshold Voltages

Data Sheet (Rev. D) Product Selection Table

Part Models: 1
1ku List Price: Starting From $0.30

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Part Details

Ultralow power consumption with I_CC = 92 nA (typical)
Precision, low voltage monitoring
Pretrimmed voltage monitoring threshold options
- 20 options from 0.5 V to 1.9 V
±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

Part Models: 1
1ku List Price: Starting From $0.30

Documentation

Data Sheet 1

ADM8641/ADM8642: Ultralow Power Voltage Detector Data Sheet (Rev.D) 04/16/2015

User Guide 1

UG-1777: Evaluating the ADM8641/ADM8642 Ultralow Power Voltage Detector (Rev.0) 04/21/2020

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
ADM8642T100ACBZ-R7	6-Ball WLCSP (0.96mm x 1.46mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Evaluation Kits

Evaluation Board for the ADM8641 and ADM8642, Ultralow Power Voltage Detector

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Features and Benefits

On-board ADM8641 voltage detector with 2.63 V internal threshold and a ±1.3% accuracy on the ADM8641-EVALZ
On-board ADM8642 voltage detector with 1 V internal threshold and a ±1.6% accuracy on the ADM8642-EVALZ
Separate voltage supply pin (VCC) and input pin (INPUT) for low voltage monitoring using the ADM8642-EVALZ
Built in tact switch for input condition override
Built in LED for output monitoring

Product Details

The ADM8641-EVALZ/ADM8642-EVALZ evaluate the ADM8641/ADM8642 ultralow power voltage detectors that have pretrimmed voltage monitoring thresholds of 2.63 V and 1 V, respectively. These thresholds are accurate up to ±1.3% and ±1.6% for the ADM8641-EVALZ and ADM8642-EVALZ, respectively.

The ADM8641-EVALZ VCC pin can be used to monitor the level of an external voltage. The user can place an external jumper on the ADM8642-EVALZ VCC_SEL pin to achieve this monitoring on the ADM8642-EVALZ VCC pin. The user can also use a separate supply for the ADM8642-EVALZ INPUT pin to achieve low voltage monitoring.

The ADM8641-EVALZ/ADM8642-EVALZ have an OUT pin that can be held low regardless of the status of the monitored external voltage by pressing the built in tact switch, which shorts the ADM8641/ADM8642 DIS pin to ground. A built in light emitting diode (LED) is placed at the ADM8641-EVALZ/ADM8642-EVALZ OUT pin to monitor the pin status depending on the level of the monitored external voltage.

For full details on the ADM8641/ADM8642, see the ADM8641/ADM8642 data sheet, which must be consulted in conjunction with this user guide when using the ADM8641-EVALZ/ADM8642-EVALZ.

Resources

UG-1777: Evaluating the ADM8641/ADM8642 Ultralow Power Voltage Detector (Rev.0)
4/21/2020

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