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參數(shù)資料
| 型號： | ADM812 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Microprocessor Supervisory Circuits(微處理器監(jiān)控電路) |
| 中文描述： | 微處理器監(jiān)控電路（微處理器監(jiān)控電路） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 212K |
| 代理商： | ADM812 |
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
Microprocessor
Supervisory Circuit in 4-Pin SOT143
ADM811/ADM812
FEATURES
Superior Upgrade for MAX811/MAX812
Specified Over Temperature
Low Power Consumption ( 6μA typical )
Precision Voltage Monitor
+3V, +3.3V, +5V Options
Reset Assertion Down to 1 V V
CC
140ms 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 which are suitable for use in most voltage
monitoring applications.
The ADM811/ADM812 is designed to monitor 5 different
voltages, each allowing for a 5% or 10% degradation of
standard PSU voltages. These voltages have been carefully
selected for the effective monitoring of +3V, +3.3V and
+5V supply voltage levels.
Included in this circuit is a debounced Manual Reset input.
Reset will be activated with an ordinary mechanical switch
(or an input from another digital device) or a degredation of
the supply voltage. The Manual Reset function is very
useful especially if the circuit in which the ADM811/
ADM812 is operating in, 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 danger that could be
otherwise be caused by an out of control or locked-up
system.
Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
Advance Technical Information
Rev 1.0 3/97
FUNCTIONAL BLOCK DIAGRAM
RESET
GENERATOR
GND
PB RESET
Vcc
RESET
/ RESET
ADM811/ADM812
VREF
DEBOUNCE
TYPICAL OPERATING CIRCUIT
μP
SYSTEM
G ND
RESET
G ND
V
C C
AD M8 11
MANUAL RESET
V
C C
RESET
100K
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM812LART | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP |
| ADM812LART-REEL | 功能描述:IC SUPERVSR W/RESET 4.63V SOT143 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 類型:簡單復(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:最小為 100 ms 電壓 - 閥值:3.06V 工作溫度:-40°C ~ 105°C 安裝類型: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:ADM1817-5AKSREEL7 |
| ADM812LART-REEL7 | 功能描述:IC SUPERVSR W/RESET 4.63V SOT143 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型: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:ADM691ARZ-REEL7TR |
| ADM812LART-REEL-7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessors Supervisory Circuit in 4-Lead SOT-143 |
| ADM812LARTZ-REEL | 功能描述:IC SUPERVISOR RESET 4.63V SOT143 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 類型:簡單復(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:最小為 100 ms 電壓 - 閥值:3.06V 工作溫度:-40°C ~ 105°C 安裝類型: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:ADM1817-5AKSREEL7 |
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