ADM811-3TARTZ-RL7 Analog Devices Inc, ADM811-3TARTZ-RL7 Datasheet

IC,VOLT DETECTOR,FIXED,+3.08V,CMOS,TO-253LOW,4PIN,PLASTIC

ADM811-3TARTZ-RL7

Manufacturer Part Number

ADM811-3TARTZ-RL7

Description

IC,VOLT DETECTOR,FIXED,+3.08V,CMOS,TO-253LOW,4PIN,PLASTIC

Manufacturer

Analog Devices Inc

Type

Simple Reset/Power-On Resetr

Datasheets

1.ADM811-3TART-REEL.pdf (12 pages)

2.ADM811-3TARTZ-RL7.pdf (8 pages)

Specifications of ADM811-3TARTZ-RL7

Package / Case

SOT-143, SOT-143B, TO-253AA

Mounting Type

Surface Mount

Operating Temperature

-40°C ~ 85°C

Output

Push-Pull, Totem Pole

Reset

Active Low

Number Of Voltages Monitored

Reset Timeout

140 ms Minimum

Voltage - Threshold

3.08V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

H&T Electronics

Part Number:

ADM811-3TARTZ-RL7

Quantity:

2 854

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GENERAL DESCRIPTION

The ADM811/ADM812 is a reliable voltage monitoring device

suitable for use in most voltage monitoring applications. The

ADM811/ADM812 is designed to monitor six different voltages,

each allowing for a 5% or 10% degradation of standard PSU

voltages before a reset occurs. These voltages have been selected

for the effective monitoring of 2.5 V, 3 V, 3.3 V, and 5 V supply

voltage levels.

Included in this circuit is a debounced manual reset input.

Reset can be activated using an electrical switch (or an input

from another digital device) or by a degradation of the supply

voltage. The manual reset function is very useful, especially if

the circuit in which the ADM811/ADM812 is operating enters

into a state that can only be detected by the user. Allowing the

user to reset a system manually can reduce the damage or

danger that could otherwise be caused by an out-of-control or

locked system.

REV. C

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties that

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

FEATURES

Superior Upgrade for MAX811/MAX812

Specified over Temperature

Low Power Consumption (5 A Typ)

Precision Voltage Monitor: 2.5 V, 3 V, 3.3 V, 5 V Options

Reset Assertion Down to 1 V V

140 ms Min Power-On Reset

Built-In Manual Reset

APPLICATIONS

Microprocessor Systems

Controllers

Intelligent Instruments

Automotive Systems

Safety Systems

Portable Instruments

Logic Low RESET Output (ADM811)

Logic High RESET Output (ADM812)

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

Microprocessor Supervisory

Figure 1. Typical ADM811 Operating Circuit

REF

Circuit in 4-Lead SOT-143

FUNCTIONAL BLOCK DIAGRAM

ADM811/ADM812

DEBOUNCE

ADM811

GND

ADM811/ADM812

GENERATOR

RESET

100k

MICROPROCESSOR

RESET

www.analog.com

RESET/RESET

GND

SYSTEM

GND

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