Datasheet > ADCMP671

ADCMP671

更新时间： 2024-11-22 07:18:47

品牌	Logo	应用领域
亚德诺 - ADI		监视器
页数	文件大小	规格书
16页	295K
描述
Low Power, Adjustable UV and OV Monitor

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中文翻译

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数据手册

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ADCMP671 数据手册

Low Power, Adjustable UV and OV Monitor

with 400 mV, 0ꢀ.275 ꢁeꢂerenꢃe

Data Sheet

ADCMP621

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Window monitoring with minimum processor I/O

Individually monitoring N rails with only N + 1 processor I/O

400 mV, 0.275% threshold at V_DD= 3.3 V, 25°C

Supply range: 1.7 V to 5.5 V

ADCMP671

PWRGD

INH

Low quiescent current: 17 μA maximum at 125°C

Input range includes ground

400mV

Internal hysteresis: 9.2 mV typical

Low input bias current: 2.5 nA maximum

Open-drain outputs

INL

Power good indication output

Designated over voltage indication output

Low profile (1 mm), 6-lead TSOT package

GND

Figure 1.

APPLICATIONS

Supply voltage monitoring

Li-Ion monitoring

Portable applications

Handheld instruments

GENERAL DESCRIPTION

404

402

400

398

396

394

392

390

388

386

The ADCMP671 voltage monitor consists of two low power, high

accuracy comparators and reference circuits. It operates on a

supply voltage from 1.7 V to 5.5 V and draws 17 μA maximum,

making it suitable for low power system monitoring and portable

applications. The part is designed to monitor and report supply

undervoltage and overvoltage fault. The low input bias current

and voltage reference allows resistor adjustable UV and OV

threshold down to 400 mV. The ADCMP671 has two open-

drain outputs: the PWRGD output indicates that the supply is

INH1

INL1

INH2

INL2

RISING INPUT

FALLING INPUT

within the UV and OV window, and the

output indicates

TWO TYPICAL PARTS

COMPARATOR A AND COMPARATOR B

that the supply is overvoltage. This output combination allows

users to window monitor N supplies with an N + 1 processor

input/output (I/O). Each output is guaranteed to sink greater

than 5 mA over temperature.

= 5V

–40

–20

100

120

TEMPERATURE (°C)

Figure 2. Comparator Thresholds vs. Temperature

The ADCMP671 is available in 6-lead TSOT package. The

device operates over the −40°C to +125°C temperature range.

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 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

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...16

中文翻译

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ADCMP671-1YUJZ-RL7	ADI	获取价格	Low Power, Adjustable UV and OV Monitor
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