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參數(shù)資料
| 型號： | ADM803RAKS-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23 |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SC-70, 3 PIN |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 132K |
| 代理商： | ADM803RAKS-REEL |
REV. C
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. 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 companies.
Tel: 781/329-4700 Fax: 781/326-8703
www.analog.comADM803/ADM809/ADM810
Microprocessor Supervisory Circuits
in 3-Lead SC70 and SOT-23
FEATURES
Specified over Temperature
Low Power Consumption (17 A)
Precision Voltage Monitor: 2.5 V, 3 V, 3.3 V, 5 V Options
Reset Assertion Down to 1 V V
CC
140 ms Min Power-On Reset
Open-Drain
RESET
Output (ADM803)
Push-Pull
RESET
Output (ADM809)
Push-Pull RESET Output (ADM810)
SC70 and SOT-23 Packages
APPLICATIONS
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Automotive Systems
FUNCTIONAL BLOCK DIAGRAM
V
REF
V
CC
RESET
GENERATOR
240ms
RESET
(RESET)
GND
ADM809 / ADM810
V
REF
V
CC
RESET
GENERATOR
240ms
ADM803
RESET
GND
RESET
RESET
INPUT
GND
GND
V
CC
V
CC
MICROPROCESSOR
SYSTEM
ADM803 / ADM809
V
CC
*
R
PULL-UP
*
ADM803 ONLY
Figure 1. Typical Operating Circuit
GENERAL DESCRIPTION
The ADM803/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 opera-
tional with V
CC
as low as 1 V. The ADM803 and ADM809
provide an active low reset signal (
RESET
), while the ADM810
provides an active high signal (RESET) output. The ADM809
and ADM810 have push-pull outputs whereas the ADM803 has
an open-drain output, which requires an external pull-up resistor.
Seven reset threshold voltage options are available, suitable for
monitoring a variety of supply voltages. Refer to Table I.
The reset comparator features built-in glitch immunity, making
it immune to fast transients on V
CC
.
The ADM803/ADM809/ADM810 consume only 17
μ
A, making
it suitable for low power portable equipment. The ADM803 is
available in a 3-lead SC70; the ADM809/ADM810 is available
in 3-lead SOT-23 and SC70 packages.
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| ADM803RAKS-REEL-7 | Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM803RAKS-REEL7 | 功能描述:IC SUPERVISOR MPU 2.63V SC70-3 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 |
| ADM803RAKS-REEL-7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23 |
| ADM803RAKSZ-REEL | 功能描述:IC SUPERVISOR MPU 2.63V SC70-3 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 |
| ADM803RAKSZ-REEL2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23 |
| ADM803RAKSZ-REEL7 | 功能描述:IC SUPERVISOR MPU 2.63V SC70-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 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:雙向 復(fù)位:低有效 復(fù)位超時:最小為 140 ms 電壓 - 閥值:4.63V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-253-4，TO-253AA 供應(yīng)商設(shè)備封裝:SOT-143-4 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1414 (CN2011-ZH PDF) 其它名稱:MAX6314US46D3+TCT |
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