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| 型号： | ADM824SYKSZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR W/RESET SC70-5 |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.93V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP（5 引线），SC-88A，SOT-353 |
| 供应商设备封装： | SC-70-5 |
| 包装： | 标准包装 |
| 其它名称： | ADM824SYKSZ-REEL7DKR |
Supervisory Circuits with Watchdog and
Manual Reset in 5-Lead SC70 and SOT-23
Data Sheet
FEATURES
ADM823/ADM824/ADM825
FUNCTIONAL BLOCK DIAGRAM
Precision 2.5 V to 5 V power supply monitor
7 reset threshold options: 2.19 V to 4.63 V
140 ms (minimum) reset timeout
Watchdog timer with 1.6 sec timeout (ADM823, ADM824)
Manual reset input (ADM823, ADM825)
V CC
ADM823
V REF
RESET
GENERATOR
V CC
RESET
Push-pull output stages
RESET (ADM823)
RESET, RESET (ADM824/ADM825)
MR
DEBOUNCE
WATCHDOG
DETECTOR
Low power consumption: 5 μA
Guaranteed reset output valid to V CC = 1 V
Power supply glitch immunity
Specified over automotive temperature range
5-lead SC70 and SOT-23 packages
APPLICATIONS
Microprocessor systems
Computers
Controllers
Intelligent instruments
Portable equipment
GENERAL DESCRIPTION
GND
WDI
Figure 1.
The ADM823/ADM824/ADM825 are supervisory circuits that
monitor power supply voltage levels and code execution integrity
in microprocessor-based systems. In addition to providing
power-on reset signals, an on-chip watchdog timer can reset the
microprocessor if it fails to strobe within a preset timeout
period. A reset signal can also be asserted by an external push-
button, through a manual reset input. The three parts feature
different combinations of watchdog input, manual reset input,
These parts are available in a choice of seven reset threshold
options ranging from 2.19 V to 4.63 V. The reset and watchdog
timeout periods are fixed at 140 ms (minimum) and 1.6 sec
(typical), respectively.
The ADM823/ADM824/ADM825 are available in 5-lead SC70
and SOT-23 packages and typically consume only 5 μA, making
them suitable for use in low power, portable applications.
Table 1. Selection Table
Output Stage
Part No.
ADM823
ADM824
ADM825
Watchdog Timer
Yes
Yes
–
Manual Reset
Yes
–
Yes
RESET
Push-Pull
Push-Pull
Push-Pull
RESET
–
Push-Pull
Push-Pull
Rev. D
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. Specifications subject to change without notice. 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 owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?2004–2013 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM824SYRJ-REEL7 | 制造商:Analog Devices 功能描述: |
| ADM824SYRJZ-REEL7 | 功能描述:IC SUPERVISOR W/RESET SOT23-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:400 系列:- 类型:备用电池电路 监视电压数目:1 输出:开路漏极，推挽式 复位:高有效/低有效 复位超时:最小为 35 ms 电压 - 阀值:4.65V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:带卷 (TR) 其它名称:ADM691ARZ-REEL7TR |
| ADM824SYRT-R7 | 制造商:AD 制造商全称:Analog Devices 功能描述:Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SC70 and SOT-23 |
| ADM824TYKS-R7 | 制造商:AD 制造商全称:Analog Devices 功能描述:Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SC70 and SOT-23 |
| ADM824TYRT-R7 | 制造商:AD 制造商全称:Analog Devices 功能描述:Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SC70 and SOT-23 |
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