Datasheet > ADM6822YART-RL7

ADM6822YART-RL7

更新时间： 2024-11-30 03:12:27

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
7页	132K
描述
Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23

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ADM6822YART-RL7 数据手册

Low Voltage Supervisory Circuits with

Watchdog & Manual Reset in 5-Lead SOT-23

Preliminary Technical Data

ADM6821–ADM6825

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Precision Low Voltage Monitoring down to 1.8V

9 Reset Threshold Options:

1.58V to 4.63V

140ms (Min) Reset Timeout

Watchdog Timer with 1.6s Timeout

Manual Reset Input

ADM6821

V_CC

RESET

GENERATOR

RESET

Reset Output Stages

V_REF

Push-Pull Active-Low

Open-Drain Active-Low

DEBOUNCE

Push-Pull Active-High

WATCHDOG

DETECTOR

Low Power Consumption (3µA)

Guaranteed Reset Output valid to V_CC=1V

Power Supply Glitch Immunity

Specified from -40°C to +125°C

5-Lead SOT-23 Package

GND

WDI

APPLICATIONS

Microprocessor Systems

Computers

Controllers

Intelligent Instruments

Portable Equipment

GENERAL DESCRIPTION

The ADM6821-ADM6825 are supervisory circuits which

monitor power supply voltage levels and code execution

integrity in microprocessor-based systems. As well as providing

power-on-reset signals, an on-chip watchdog timer can reset the

microprocessor if it fails to strobe within a preset timeout

period. A reset signal can also be asserted by means of an

external push-button, through a manual reset input. The three

parts feature different combinations of watchdog input, manual

reset input and output stage configuration, as shown in table 1.

Each part is available in a choice of 9 reset threshold options

ranging from 1.58V to 4.63V. The reset and watchdog timeout

periods are fixed at 140ms (min) and 1.6s (typ), respectively.

The ADM6821-ADM6825 are available in 5-lead SOT-23

packages and typically consume only 3µA, making them

suitable for use in low power portable applications.

Table 1. Selection Table

Output Stage

Part No.

Watchdog Timer

Manual Reset

RESET

ADM6821

ADM6822

ADM6823

ADM6824

ADM6825

Yes

Push-Pull

Open-Drain

Push-Pull

Yes

Rev. PrA

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.

Specifications subject to change without notice. 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.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7

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与ADM6822YART-RL7相关器件

型号	品牌	获取价格	描述	数据表
ADM6822YYRJZ-RL7	ADI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN
ADM6822ZART-RL	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6822ZART-RL7	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6822ZYRJZ-RL7	ADI	获取价格	暂无描述
ADM6823	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6823LART-RL	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6823LART-RL7	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6823LYRJZ-RL7	ADI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN
ADM6823MART-RL	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6823MART-RL7	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23

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