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参数资料
| 型号： | ADM1818-R23ART-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC MONITOR RESET 2.31V SOT-23 |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 100 ms |
| 电压 - 阀值： | 2.31V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 标准包装 |
| 其它名称： | ADM1818-R23ART-RL7DKR |
Microprocessor Reset Circuits
ADM1810 to ADM1813/ADM1815 to ADM1818
FEATURES
FUNCTIONAL BLOCK DIAGRAMS
Reliable low cost voltage monitor with reset output
Suitable for monitoring 2.5 V, 3 V, 3.3 V, and 5 V power
supply voltages
V CC
ADM1810/ADM1815
Reset threshold levels: 4.62 V, 4.35 V, 3.06 V, 2.88 V, 2.55 V,
2.31 V, and 2.18 V typical
Active high and low push-pull output choices: ADM1810,
V CC
TOLERANCE
BIAS
150ms
RST
ADM1812, ADM1815, and ADM1817
Open-drain output choices: ADM1811, ADM1813, ADM1816,
GND
TC
REFERENCE
DELAY
and ADM1818
Can be used with a manual push-button to generate a reset:
ADM1813, ADM1818
Initialization of microprocessor systems with added safety
V CC
ADM1811/ADM1816
5.5k Ω
Available in 3-lead SOT-23 and SC70 packages
APPLICATIONS
Microprocessor systems
V CC
TOLERANCE
BIAS
150ms
DELAY
RST
Computers
Controllers
Intelligent instruments
Automotive systems
GENERAL DESCRIPTION
The ADM181x range of voltage monitoring circuits is used in
any application where an electronic system needs to be reset
when a voltage increases above or below a predetermined value.
GND
V CC
TC
REFERENCE
ADM1812/ADM1817
V CC
TOLERANCE
BIAS
150ms
RST
Because of the reset delay time incorporated into the ADM181x
series, these devices provide a safe startup for electronic systems.
GND
TC
REFERENCE
DELAY
Before a system initializes, the power supply must stabilize.
Using the ADM181x series ensures that there are typically 150 ms
for the power supply to stabilize before the system resets and
ADM1813/ADM1818
safe system initialization begins.
The ADM181x series of microprocessor reset circuits are
V CC
RESET
MONITOR
5.5k Ω
RST
available in low cost, space-saving SOT-23 and SC70 packages.
V CC
TOLERANCE
BIAS
150ms
DELAY
GND
TC
REFERENCE
Figure 1.
Rev. E
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 www.analog.com
Fax: 781.461.3113 ?1999–2008 Analog Devices, Inc. All rights reserved.
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