ADM706AN

更新时间： 2024-02-05 22:57:01

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
8页	144K
描述
Low Cost uP Supervisory Circuits

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数据手册
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ADM706AN 数据手册

Low Cost ␮P

Supervisory Circuits

ADM705–ADM708

FUNCTIONAL BLOCK DIAGRAMS

FEATURES

Guaranteed RESET Valid with V_CC= 1 V

190 ␮A Quiescent Current

Precision Supply-Voltage Monitor

4.65 V (ADM705/ADM707)

4.40 V (ADM706/ADM708)

WATCHDOG

TRANSITION

DETECTOR

WATCHDOG

INPUT (WDI)

WATCHDOG

TIMER

WATCHDOG

OUTPUT (WDO)

200 ms Reset Pulsewidth

RESET &

WATCHDOG

TIMEBASE

Debounced TTL/CMOS Manual Reset Input (MR)

Independent Watchdog Timer—1.6 sec Timeout

(ADM705/ADM706)

Active High Reset Output (ADM707/ADM708)

Voltage Monitor for Power-Fail or Low Battery

Warning

250␮A

RESET

GENERATOR

RESET

4.65V*

ADM705/

ADM706

Superior Upgrade for MAX705–MAX708

Also Available in MicroSOIC Packages

POWER-FAIL

INPUT (PFI)

POWER-FAIL

OUTPUT (PFO)

1.25V

APPLICATIONS

Microprocessor Systems

Computers

*VOLTAGE REFERENCE = 4.65V (ADM705), 4.40V (ADM706)

Controllers

Intelligent Instruments

Critical ␮P Monitoring

Automotive Systems

Critical ␮P Power Monitoring

250␮A

RESET

GENERATOR

RESET

GENERAL DESCRIPTION

4.65V*

ADM707/

ADM708

The ADM705–ADM708 are low cost µP supervisory circuits.

They are suitable for monitoring the 5 V power supply/battery

and can also monitor microprocessor activity.

POWER-FAIL

INPUT (PFI)

POWER-FAIL

OUTPUT (PFO)

1.25V

The ADM705/ADM706 provide the following functions:

1. Power-On Reset output during power-up, power-down and

brownout conditions. The RESET output remains opera-

tional with V_CCas low as 1 V.

*VOLTAGE REFERENCE = 4.65V (ADM707), 4.40V (ADM708)

Two supply-voltage monitor levels are available. The ADM705/

ADM707 generate a reset when the supply voltage falls below

4.65 V, while the ADM706/ADM708 require that the supply

fall below 4.40 V before a reset is issued.

2. Independent watchdog timeout, WDO, that goes low if the

watchdog input has not been toggled within 1.6 seconds.

3. A 1.25 V threshold detector for power-fail warning, low

battery detection or to monitor a power supply other than

5 V.

All parts are available in 8-lead DIP and SOIC packages. The

ADM707 and ADM708 are also available in space-saving

microSOIC packages.

4. An active low debounced manual reset input (MR).

The ADM707/ADM708 differ in that:

1. A watchdog timer function is not available.

2. An active high reset output in addition to the active low

output is available.

REV. B

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7 8

中文翻译

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ADM706AN 替代型号

型号	品牌	替代类型	描述	数据表
ADM706ANZ	ADI	类似代替	暂无描述
ADM705ANZ	ADI	类似代替	Low Cost Microprocessor Supervisory Circuits

与ADM706AN相关器件

型号	品牌	获取价格	描述	数据表
ADM706ANZ	ADI	获取价格	暂无描述
ADM706AR	ADI	获取价格	Low Cost uP Supervisory Circuits
ADM706AR-REEL	ADI	获取价格	Low Cost Microprocessor Supervisory Circuits
ADM706ARZ	ADI	获取价格	Low Cost Microprocessor Supervisory Circuits
ADM706ARZ-REEL7	ADI	获取价格	Low Cost Microprocessor Supervisory Circuits
ADM706P	ADI	获取价格	+3 V, Voltage Monitoring uP Supervisory Circuits
ADM706P_15	ADI	获取价格	Microprocessor Supervisory Circuits
ADM706P_VC	ADI	获取价格	3 V, Voltage Monitoring Microprocessor Supervisory Circuits
ADM706PAN	ADI	获取价格	+3 V, Voltage Monitoring uP Supervisory Circuits
ADM706PANZ	ADI	获取价格	3 V, Voltage Monitoring Microprocessor Supervisory Circuits

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