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| 型號(hào)： | ADM812MART-REEL-7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | Microprocessors Supervisory Circuit in 4-Lead SOT-143 |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | TO-253D, SOT-143, 4 PIN |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 83K |
| 代理商： | ADM812MART-REEL-7 |
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.
a
ADM811/ADM812
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
Microprocessors
Supervisory Circuit in 4-Lead SOT-143
FUNCTIONAL BLOCK DIAGRAM
DEBOUNCE
RESET
/
RESET
GND
V
CC
MR
V
REF
ADM811/ADM812
RESET
GENERATOR
FEATURES
Superior Upgrade for MAX811/MAX812
Specified Over Temperature
Low Power Consumption (5
m
A Typ)
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
Logic Low
RESET
Output (ADM811)
Logic High RESET Output (ADM812)
Built-In Manual Reset
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.
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.
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.
V
CC
RESET
RESET
ADM811
V
CC
MR
GND
GND
P
SYSTEM
100k
V
Figure 1. Typical Operating Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM812MARTZ-REEL | 功能描述:IC SUPERVISOR RESET 4.38V SOT143 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:推挽式，圖騰柱 復(fù)位:高有效 復(fù)位超時(shí):最小為 100 ms 電壓 - 閥值:3.06V 工作溫度:-40°C ~ 105°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-70，SOT-323 供應(yīng)商設(shè)備封裝:SC-70-3 包裝:帶卷 (TR) 其它名稱(chēng):ADM1817-5AKSREEL7 |
| ADM812MARTZ-REEL7 | 功能描述:IC SUPERVISOR RESET 4.38V SOT143 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:推挽式，圖騰柱 復(fù)位:高有效 復(fù)位超時(shí):最小為 100 ms 電壓 - 閥值:3.06V 工作溫度:-40°C ~ 105°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-70，SOT-323 供應(yīng)商設(shè)備封裝:SC-70-3 包裝:帶卷 (TR) 其它名稱(chēng):ADM1817-5AKSREEL7 |
| ADM812RART | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP |
| ADM812RART-REEL | 功能描述:IC SUPERVSR W/RESET 2.63V SOT143 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:推挽式，圖騰柱 復(fù)位:高有效 復(fù)位超時(shí):最小為 100 ms 電壓 - 閥值:3.06V 工作溫度:-40°C ~ 105°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-70，SOT-323 供應(yīng)商設(shè)備封裝:SC-70-3 包裝:帶卷 (TR) 其它名稱(chēng):ADM1817-5AKSREEL7 |
| ADM812RART-REEL7 | 功能描述:IC SUPERVSR W/RESET 2.63V SOT143 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類(lèi)型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時(shí):最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱(chēng):ADM691ARZ-REEL7TR |
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