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| 型号： | ADM802LARNZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 4.65V WD 8SOIC |
| 标准包装： | 2,500 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
Microprocessor
a
Supervisory Circuits
ADM690A/ADM692A/ADM802L/M/ADM805L/M
FEATURES
Precision Supply Voltage Monitor
4.65 V ADM690A/ADM802L/ADM805L
4.40 V ADM692A/ADM802M/ADM805M
V BATT
FUNCTIONAL BLOCK DIAGRAM
Reset Assertion Down to 1 V V CC
Reset Timeout—200 ms
Watchdog Timer—1.6 s
V CC
BATTERY
SWITCHOVER
V OUT
100 A Quiescent Supply Current
Automatic Battery Backup Power Switching
4.65V*
RESET
GENERATOR
RESET
(RESET)
Voltage Monitor for Power Fail
2% Power Fail Accuracy on ADM802L/M
Space-Saving MicroSOIC Package (ADM690A)
APPLICATIONS
WATCHDOG
INPUT (WDI)
WATCHDOG
TRANSITION DETECTOR
(1.6s)
ADM690A
ADM692A
ADM802L
ADM802M
Microprocessor Systems
Computers
Controllers
POWER FAIL
INPUT (PFI)
1.25V
ADM805L
ADM805M
POWER FAIL
OUTPUT (PFO)
Intelligent Instruments
*4.4V FOR ADM692A/ADM802M/ADM805M
( ) = ADM805L/M ONLY
GENERAL DESCRIPTION
The ADM690A/ADM692A/ADM802L/M/ADM805L/M
family of supervisory circuits offers complete single chip
solutions for power supply monitoring and battery control
functions in microprocessor systems. These functions include
μ P reset, backup battery switchover, watchdog timer, and power
failure warning.
The ADM690A/ADM692A/ADM802L/M/ADM805L/M are
available in 8-pin packages and provide:
1. Power-on reset output during power-up, power-down and
brownout conditions. The RESET output remains opera-
tional with V CC as low as 1 V.
2. Battery backup switching for CMOS RAM, CMOS
microprocessor or other low power devices.
3. A reset pulse if the optional watchdog timer has not been
toggled within 1.6 seconds.
4. A 1.25 V threshold detector for power fail warning, low battery
detection, or to monitor a power supply other than +5 V.
On the ADM690A/ADM802L/ADM805L the reset voltage
threshold is 4.65 V. On the ADM692A/ADM802M/
ADM805M, the reset voltage threshold is 4.40 V.
The ADM802L/ADM802M guarantee power fail accuracies to
± 2%.
REV. 0
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.
The ADM805L/M provides an active high reset output, RESET
instead of RESET.
The family of products is fabricated using an advanced epitaxial
CMOS process combining low power consumption and high
reliability. RESET assertion is guaranteed with V CC as low as 1 V.
They provide a pin-compatible upgrade for the MAX690A/
MAX692A/MAX802L/MAX802M/MAX805L
All parts are available in 8-pin DIP and SOIC packages. The
ADM690A is also available in a new space-saving microSOIC
package.
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., 1996
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相关代理商/技术参数 |
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| ADM802M | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor Supervisory Circuits |
| ADM802MAN | 制造商:Analog Devices 功能描述:Processor Supervisor 4.4V 4.4V 8-Pin PDIP 制造商:Analog Devices 功能描述:PROCESSOR SUPERVISOR 4.4V 100UA 8PDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:5V CMOS UP I.C. - Bulk |
| ADM802MANZ | 功能描述:IC SUPERVISOR MPU 4.40V WD 8DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 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:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
| ADM802MARN | 功能描述:IC SUPERVISOR MPU 4.40V WD 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 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:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
| ADM802MARN-REEL | 功能描述:IC SUPERVISOR MPU 4.40V WD 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 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:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
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