ADM803 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADM803
Manufacturer

ADI
ChipWorker Part#

CW760467119
Description

Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23
Documentation

Datasheet

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ADM803 Specifications

Attribute	Attribute Value

Part Number	ADM803
Manufacturer	ADI
ChipWorker Part#	CW760467119
Documentation	Datasheet
Mounting Style	Surface Mount
Case/Package	SC-70
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Product Lifecycle Status	Active

Product Description

Product Details
The ADM803 supervisory circuit monitors the power supply voltage in microprocessor systems. It provides a reset output during power-up, power-down and brownout conditions. On power-up, an internal timer holds reset asserted for 240ms. This holds the microprocessor in a reset state until conditions have stabilized. The reset output remains operational with VCC as low as 1V. The ADM803 provides an active-low reset signal RESET, and has an open-drain output stage which requires an external pull-up resistor.
Seven reset threshold options are available. The reset comparator features built-in glitch immunity, making it immune to fast transients on VCC.
The ADM803 is available in 3-lead SC70 and consumes only 17µA, making it suitable for low power portable equipment.
**Applications **
* Microprocessor Systems
* Computers
* Controllers
* Intelligent Instruments
* Automotive Systems
### Features and Benefits
Specified over temperature
Low power consumption (17 μA)
Precision voltage monitor: 2.5 V, 3 V, 3.3 V, 5 V options
Reset assertion down to 1 V VCC
140 ms minimum power-on reset
Open-drain RESET output

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