Datasheet > ADM6821YYRJZ-RL7

ADM6821YYRJZ-RL7

更新时间： 2024-11-30 03:33:59

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
页数	文件大小	规格书
12页	219K
描述
1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN

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ADM6821YYRJZ-RL7 数据手册

Low Voltage Supervisory Circuits with

Watchdog and Manual Reset in 5-Lead SOT-23

ADM6821/ADM6822/ADM6823/ADM6824/ADM6825

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Precision low voltage monitoring

9 reset threshold options: 1.58 V to 4.63 V

140 ms (min) reset timeout

Watchdog timer with 1.6 sec timeout

Manual reset input

ADM6823

RESET

GENERATOR

RESET

REF

Reset output stages

DEBOUNCE

Push-pull active-low

WATCHDOG

DETECTOR

Open-drain active-low

Push-pull active-high

Low power consumption (7 μA)

Guaranteed reset output valid to V_CC= 1 V

Power supply glitch immunity

Specified from −40°C to +125°C

5-lead SOT-23 package

GND

WDI

Figure 1.

APPLICATIONS

Microprocessor systems

Computers

Controllers

Intelligent instruments

Portable equipment

GENERAL DESCRIPTION

The ADM682x are supervisory circuits that monitor power

supply voltage levels and code execution integrity in

Each part is available in nine reset threshold options, ranging

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

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

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 parts

feature different combinations of watchdog input and manual

reset input and output stage configurations, as shown in Table 1.

The ADM682x are available in 5-lead SOT-23 packages and

typically consume only 7 μA, making them suitable for use in

low power, portable applications.

Table 1. Selection Table

Output Stage

RESET

Part No.

Watchdog Timer

Manual Reset

RESET

Push-Pull

ADM6821

ADM6822

ADM6823

ADM6824

ADM6825

Yes

Open-Drain

Push-Pull

Yes

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 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 owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...12

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与ADM6821YYRJZ-RL7相关器件

型号	品牌	获取价格	描述	数据表
ADM6821ZART-RL	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6821ZART-RL7	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6821ZYRJZ-RL7	ADI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN
ADM6822	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6822LART-RL	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6822LART-RL7	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6822LYRJZ-RL7	ADI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN
ADM6822MART-RL	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6822MART-RL7	ADI	获取价格	Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
ADM6822MYRJZ-RL7	ADI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN

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