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| 型号： | ADM8699ARWZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 4.65V 16SOIC |
| 标准包装： | 47 |
| 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： | 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： | 管件 |
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FEATURES
Superior Upgrade for ADM698/ADM699, MAX698/MAX699
Microprocessor
Supervisory Circuits
ADM8698/ADM8699
FUNCTIONAL BLOCK DIAGRAM
Guaranteed RESET Assertion with V CC = 1 V
Low 70 A Supply Current
Precision 4.65 V Voltage Monitor
Power OK/Reset Time Delay
Watchdog Timer
Minimum Component Count
Performance Specified over Temperature
APPLICATIONS
Microprocessor Systems
V CC
WATCHDOG
INPUT
WDI *
ADM8698/
ADM8699
RESET
GENERATOR
4.65V
WATCHDOG
TRANSITION DETECTOR
(1 sec)
RESET *
RESET
WATCHDOG
OUTPUT WDO *
Computers
Controllers
Intelligent Instruments
Automotive Systems
* WDI (ADM8699 ONLY)
RESET (SOIC ONLY)
WDO (ADM8699 SOIC ONLY)
Critical
P Power Monitoring
TYPICAL APPLICATION CIRCUIT
+5V
GENERAL DESCRIPTION
The ADM8698/ADM8699 supervisory circuits provide power
supply monitoring and watchdog timing for microprocessor
systems.
The ADM8698 monitors the 5 V V CC power supply and gener-
ates a RESET pulse during power up, power down and during
low voltage “Brown Out” conditions. The RESET output is
guaranteed to be functional (logic low) with V CC as low as 1 V.
The ADM8699 features an identical monitoring circuit as in the
ADM8698, plus an additional watchdog timer input to monitor
microprocessor activity. The RESET output is forced low if the
watchdog input is not toggled within the 1 second watchdog
timeout period.
Both parts are available in 8-pin plastic DIP/SOIC and 16-lead
SOIC packages. The 16-lead SOIC contains additional out-
puts RESET (without inversion) and Watchdog Output WDO
(ADM8699 only).
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
V CC
RESET
ADM8698/
ADM8699
WDI *
GND
* ADM8699 ONLY
μ P POWER
μ P RESET
μ P SYSTEM
I/O LINE
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700 World Wide Web Site: http://www.analog.com
Fax: 617/326-8703 ? Analog Devices, Inc., 1997
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相关代理商/技术参数 |
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|---|---|
| ADM869L | 制造商:AD 制造商全称:Analog Devices 功能描述:2 A, High-Side P-Channel Switch with Current Limit and Thermal Shutdown |
| ADM869LARQ | 制造商:Analog Devices 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.7V TO 5.5V 2.4A 16QSOP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:HOT-SWOP-CONTROLLER I.C. - Bulk |
| ADM869LARQ-REEL7 | 制造商:Analog Devices 功能描述:Current Limit SW 1-IN 1-OUT 2.7V to 5.5V 2.4A 16-Pin QSOP T/R 制造商:Analog Devices 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.7V TO 5.5V 2.4A 16QSOP - Tape and Reel |
| ADM869LARQZ | 制造商:Analog Devices 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.7V TO 5.5V 2.4A 16QSOP - Rail/Tube |
| ADM869LARQZ-REEL7 | 制造商:Analog Devices 功能描述:Current Limit SW 1-IN 1-OUT 2.7V to 5.5V 2.4A 16-Pin QSOP T/R 制造商:Analog Devices 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.7V TO 5.5V 2.4A 16QSOP - Tape and Reel |
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