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ADCMP361YRJZ-REEL7 PDF预览

ADCMP361YRJZ-REEL7

更新时间: 2024-11-22 03:10:51
品牌 Logo 应用领域
亚德诺 - ADI 比较器放大器放大器电路光电二极管PC
页数 文件大小 规格书
12页 293K
描述
Single 0.275% Comparator and Reference with Dual Polarity Outputs

ADCMP361YRJZ-REEL7 数据手册

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Single 0.275% Comparator and Reference  
with Dual Polarity Outputs  
ADCMP361  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
400 mV 0.275% threshold  
Supply range: 1.7 V to 5.5 V  
V
DD  
ADCMP361  
Low quiescent current: 6.5 μA typical  
Input range includes ground  
Internal hysteresis: 9.3 mV typical  
Low input bias current: 5 nA maximum  
Dual open-drain outputs  
IN  
OUT  
OUT  
400mV  
Small SOT-23 package  
APPLICATIONS  
GND  
Figure 1.  
Li-Ion monitoring  
Threshold detectors  
Relay driving  
Optoisolator driving  
Industrial control systems  
Handheld instruments  
GENERAL DESCRIPTION  
The ADCMP361 is a single low power, high accuracy compara-  
tor with a 400 mV reference in a 5-lead SOT-23 package. The  
internal 400 mV reference provides the ability to monitor low  
voltage supplies. The device operates on a supply voltage from  
1.7 V to 5.5 V and only draws 6.5 μA typical, making it suitable  
for low power system monitoring and portable applications.  
Hysteresis is included in the comparators.  
R1  
R3  
1M  
4.7MΩ  
V
ADCMP361  
DD  
IN  
+
+
3V  
Li-Ion  
CELL  
OUT  
R2  
1MΩ  
OUT  
400mV  
GND  
C1  
100nF  
There are dual open-drain outputs to enable the comparator  
and reference circuit to be used in an inverting or noninverting  
configuration. The outputs can be pulled to any voltage up to a  
maximum of 5.5 V. The output stage is guaranteed to sink greater  
than 5 mA over temperature  
Figure 2. Typical Li-Ion Monitoring Application  
DISCHARGING  
The device is suitable for portable, commercial, industrial, and  
automotive applications.  
V
BATT  
CHARGING  
2.280V  
2.271V  
V
OUT  
Figure 3. Li-Ion Monitoring Waveforms  
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  
©2007 Analog Devices, Inc. All rights reserved.  
 

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