ADM809MART

更新时间： 2024-09-13 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	175K
描述
Microprocessor Supervisory Circuit in 3-Pin SOT-23

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ADM809MART 数据手册

Microprocessor

Supervisory Circuit in 3-Pin SOT-23

ADM809/ADM810

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Superior Upgrade for MAX809/MAX810

Specified Over Temperature

Low Power Consumption (17 ␮A)

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

ADM809/ADM810

RESET

GENERATOR

240ms

RESET

(RESET)

REF

Logic Low RESET Output (ADM809)

Logic High RESET Output (ADM810)

GND

APPLICATIONS

Microprocessor Systems

Computers

Controllers

Intelligent Instruments

Automotive Systems

GENERAL DESCRIPTION

The ADM809/ADM810 supervisory circuits monitor the

power supply voltage in microprocessor systems. They pro-

vide a reset output during power-up, power-down and

brownout conditions. On power-up, an internal timer holds

reset asserted for 240 ms. This holds the microprocessor in a

reset state until conditions have stabilized. The RESET

output remains operational with V_CCas low as 1 V. The

ADM809 provides an active low reset signal (RESET) while

the ADM810 provides an active high signal (RESET) output.

RESET

INPUT

µP

SYSTEM

RESET

ADM809

Six reset threshold voltage options are available suitable for

monitoring a variety of supply voltages. Refer to Table I.

GND

The reset comparator features built-in glitch immunity,

making it immune to fast transients on V_CC

Figure 1. Typical Operating Circuit

The ADM809/ADM810 consumes only 17 µA, making it

suitable for low power portable equipment. It is packaged in

a 3-pin SOT-23 package.

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: 617/329-4700

Fax: 617/326-8703

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

12 3 4 5 6

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与ADM809MART相关器件

型号	品牌	获取价格	描述	数据表
ADM809MART-REEL	ADI	获取价格	Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23
ADM809MART-REEL	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, TO-236AB, SOT-23, 3 PIN
ADM809MART-REEL7	ADI	获取价格	Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23
ADM809MART-REEL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, TO-236AB, SOT-23, 3 PIN
ADM809MART-REEL-7	ADI	获取价格	Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23
ADM809MARTZ-REEL	ADI	获取价格	暂无描述
ADM809MARTZ-REEL	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, ROHS COMPLIANT, TO-236AB, SOT-23, 3 PIN
ADM809MARTZ-REEL2	ADI	获取价格	Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23
ADM809MARTZ-REEL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, ROHS COMPLIANT, TO-236AB, SOT-23, 3 PIN
ADM809MARTZ-REEL7	ADI	获取价格	Microprocessor Supervisory Circuit in 3-Lead SOT-23 & SC70, Active-Low Push-Pull O

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