Datasheet > AMS812T

AMS812T

更新时间： 2024-02-15 23:05:51

品牌	Logo	应用领域
奥地利微 - AMS		监控
页数	文件大小	规格书
8页	310K
描述
Precision Monitoring of 3V, 3.3V, and 5V Power-Supply Voltages

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

AMS812T 数据手册

AMS811/812

General Description

Features

The AMS811 / 812 are low-power microprocessor

(µP) supervisory circuits used to monitor power sup-

plies in µP and digital systems. They provide excellent

circuit reliability and low cost by eliminating external

components and adjustments when used with 5V-

powered or 3V-powered circuits. The AMS811 / 812

also provide a debounced manual reset input.

♦ Precision Monitoring of 3V, 3.3V, and 5V

Power-Supply Voltages

♦ 6µA Supply Current

♦ 140ms Min Power-On Reset Pulse Width;

RESET Output (AMS811), RESET Output (AMS812)

♦ Guaranteed Over Temperature

These devices perform a single function: They assert a

reset signal whenever the V

supply voltage falls

♦ Guaranteed RESET Valid to V

= 1V (AMS811)

below a preset threshold, keeping it asserted for at

♦ Power-Supply Transient Immunity

♦ No External Components

♦ 4-Pin SOT143 Package

least 140ms after V

has risen above the reset thresh-

old. The only difference between the two devices is that

the AMS811 has an active-low RESET output (which is

guaranteed to be in the correct state for V

down to

1V), while the AMS812 has an active-high RESET out-

_______________Ordering Information

put. The reset comparator is designed to ignore fast

PART*

AMS811_EUS-T

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

4 SOT143

transients on V . Reset thresholds are available for

operation with a variety of supply voltages.

AMS812_EUS-T

4 SOT143

Low supply current makes the AMS811 / 812 ideal

for use in portable equipment. The devices come in a

4-pin SOT143 package.

*This part offers a choice of five different reset threshold volt-

ages. Select the letter corresponding to the desired nominal

reset threshold voltage, and insert it into the blank to complete

the part number.

Devices are available in both leaded and lead-free packaging.

Specify lead-free by replacing “-T” with “+T” when ordering.

________________________Applications

Computers

Controllers

RESET THRESHOLD

Intelligent Instruments

Critical µP and µC Power Monitoring

Portable/Battery-Powered Equipment

SUFFIX

VOLTAGE (V)

4.63

4.38

3.08

2.93

2.63

___________________Pin Configuration

___________Typical Operating Circuit

TOP VIEW

GND

AMS811

AMS812

AMS811

AMS812

μP

RESET

INPUT

RESET

(RESET)

(RESET) RESET

GND

SOT143

PUSHBUTTON

SWITCH

( ) ARE FOR AMS812

NOTE: SEE LAST PAGE FOR MARKING INFORMATION.

Advanced Monolithic Systems http://www.ams-semitech.com

12 3 4 5 6 7 8

中文翻译

下载PDF

与AMS812T相关器件

型号	品牌	获取价格	描述	数据表
AMS8176	ETC	获取价格	AMSYS
AMS8205A	AMS	获取价格	Super high density cell design for extremely low RDS(ON)
AMS8321BT1G	AMS	获取价格	Zener Voltage Regulator
AMS8322BT1G	AMS	获取价格	Zener Voltage Regulators
AMS83233BT1G	AMS	获取价格	Zener Voltage Regulators
AMS8323BT1G	AMS	获取价格	Zener Voltage Regulators
AMS8324BT1G	AMS	获取价格	Zener Voltage Regulator
AMS8325BT1G	AMS	获取价格	Zener Voltage Regulators
AMS8326BT1G	AMS	获取价格	Zener Voltage Regulators
AMS8326CT1G	AMS	获取价格	Zener Voltage Regulators

与AMS812T相关文章

MBRS340T3G手册解读：参数说明、产品特性及应用
2024-06-28

6
PMOS管背靠背连接：串联还是并联？
2024-06-28

7
高压电解电容的分类与选型策略
2024-06-28

8
数码管：基本概念、分类、技术发展及市场趋势
2024-06-27

14

产品中心

服务支持

精选活动

关于我们

帮助中心

AMS812T

AMS812T 数据手册

与AMS812T相关器件

与AMS812T相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

AMS812T

AMS812T 数据手册

与AMS812T相关器件

与AMS812T相关文章

您还可以找

您在本页遇到什么问题？