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ADM812TART-REEL

更新时间： 2024-11-04 22:53:35

品牌	Logo	应用领域
亚德诺 - ADI		电源电路电源管理电路微处理器光电二极管监控
页数	文件大小	规格书
6页	87K
描述
Microprocessors Supervisory Circuit in 4-Lead SOT-143

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ADM812TART-REEL 数据手册

Microprocessors

Supervisory Circuit in 4-Lead SOT-143

ADM811/ADM812

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Superior Upgrade for MAX811/MAX812

Specified Over Temperature

Low Power Consumption (5 ␮A Typ)

ADM811/ADM812

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

Reset Assertion Down to 1 V V_CC

140 ms Min Power-On Reset

RESET

GENERATOR

RESET/RESET

REF

Logic Low RESET Output (ADM811)

Logic High RESET Output (ADM812)

Built-In Manual Reset

DEBOUNCE

GND

APPLICATIONS

Microprocessor Systems

Controllers

Intelligent Instruments

Automotive Systems

Safety Systems

Portable Instruments

GENERAL DESCRIPTION

The ADM811/ADM812 are reliable voltage monitoring devices

suitable for use in most voltage monitoring applications.

␮P

SYSTEM

The ADM811/ADM812 are designed to monitor five 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 +3 V, +3.3 V and +5 V

supply voltage levels.

ADM811

RESET

100k⍀

GND

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 manually reset a system can reduce the damage or dan-

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

locked up system.

Figure 1. Typical Operating Circuit

REV. 0

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

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

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6

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与ADM812TART-REEL相关器件

型号	品牌	获取价格	描述	数据表
ADM812TART-REEL7	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM812TART-REEL-7	ADI	获取价格	Microprocessors Supervisory Circuit in 4-Lead SOT-143
ADM812TARTZ-REEL	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM812TARTZ-REEL7	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM812ZART	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM812ZART-REEL	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM812ZART-REEL7	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM812ZART-REEL-7	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4, TO-253D, SOT-143, 4 PIN, Power Management Ci
ADM812ZARTZ-REEL	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM812ZARTZ-REEL7	ADI	获取价格	Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP

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