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ADM708RAR-REEL

更新时间： 2024-02-17 01:26:34

品牌	Logo	应用领域
亚德诺 - ADI		微处理器监控
页数	文件大小	规格书
16页	333K
描述
3 V, Voltage Monitoring Microprocessor Supervisory Circuits

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ADM708RAR-REEL 技术参数

生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SOP,	针数：	8
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.67
其他特性：	MANUAL RESET OPTION	可调阈值：	NO
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	JESD-30 代码：	R-PDSO-G8
长度：	4.9 mm	信道数量：	1
功能数量：	1	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
认证状态：	Not Qualified	座面最大高度：	1.75 mm
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	3.15 V
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
宽度：	3.9 mm	Base Number Matches：	1

ADM708RAR-REEL 数据手册

3 V, Voltage Monitoring

Microprocessor Supervisory Circuits

ADM706P/ADM706R/ADM706S/ADM706T, ADM708R/ADM708S/ADM708T

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

Precision supply voltage monitor

2.63 V (ADM706P, ADM706R, ADM708R)

2.93 V (ADM706S, ADM708S)

3.08 V (ADM706T, ADM708T)

100 μA quiescent current

200 ms reset pulse width

WATCHDOG

INPUT (WDI)

TRANSITION

DETECTOR

WATCHDOG

OUTPUT (WDO)

TIMER

RESET AND

WATCHDOG

TIMEBASE

70μA

RESET,

(P = RESET)

RESET

GENERATOR

Debounced manual reset input (

Independent watchdog timer

1.6 second timeout (ADM706x)

Reset output

)

REF

ADM706P/ADM706R/

ADM706S/ADM706T

POWER-FAIL

INPUT (PFI)

POWER-FAIL

Active high (ADM706P)

OUTPUT (PFO)

1.25V

Active low (ADM706R, ADM706S, ADM706T)

Both active high and active low (ADM708R, ADM708S,

ADM708T)

VOLTAGE REFERENCE = 2.63V (P/R), 2.93V (S), 3.08V (T)

Figure 1. ADM706P/ADM706R/ADM706S/ADM706T

Voltage monitor for power-fail or low battery warning

RESET

Guaranteed

valid with V_CC= 1 V

70μA

RESET

Superior upgrade for MAX706P/R/S/T, MAX708R/S/T

RESET

GENERATOR

APPLICATIONS

Microprocessor systems

Computers

Controllers

REF

ADM708R/ADM708S/

ADM708T

POWER-FAIL

INPUT (PFI)

POWER-FAIL

OUTPUT (PFO)

1.25V

Intelligent instruments

Critical microprocessor monitoring

Battery-operated systems

Portable instruments

* VOLTAGE REFERENCE = 2.63V (R), 2.93V (S), 3.08V (T)

Figure 2. ADM708R/ADM708S/ADM708T

GENERAL DESCRIPTION

The ADM706P/ADM706R/ADM706S/ADM706T and the

ADM708R/ADM708S/ADM708T microprocessor supervisory

circuits are suitable for monitoring either 3 V or 3.3 V power

supplies.

The ADM706R, ADM706S, and ADM706T are identical except

for the reset threshold monitor levels, which are 2.63 V, 2.93 V, and

3.08 V, respectively. The ADM706P is identical to the ADM706R in

that the reset threshold is 2.63 V. It differs only in that it has an

active high reset output.

The ADM706P/ADM706R/ADM706S/ADM706T provide

power-supply monitoring circuitry that generate a reset output

during power-up, power-down, and brownout conditions. The

reset output remains operational with V_CCas low as 1 V.

Independent watchdog monitoring circuitry is also provided.

This is activated if the watchdog input has not been toggled

within 1.6 seconds.

The ADM708R/ADM708S/ADM708T provide similar functio-

nality as the ADM706R/ADM706S/ADM706T and only differ

in that a watchdog timer function is not available. Instead, an

active high reset output (RESET) is provided in addition to the

RESET

active low ( ) output.

All parts are available in narrow 8-lead PDIP and 8-lead SOIC

packages.

In addition, there is a 1.25 V threshold detector for power-fail

warning, low battery detection, or to monitor an additional power

supply. An active low debounced

input is also included.

Rev. C

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 registeredtrademarks arethe 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

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ADM708RAR-REEL 替代型号

型号	品牌	替代类型	描述	数据表
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