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LTC1445CDHD

更新时间： 2024-11-20 12:05:03
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
14页 202K
描述
Ultralow Power Quad omparators with Reference

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中文翻译

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LTC1445CDHD 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON, SOLCC16,.16,20
针数：16Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.32放大器类型：COMPARATOR
最大输入失调电压：10000 µVJESD-30 代码：R-PDSO-N16
JESD-609代码：e0长度：5 mm
湿度敏感等级：1负供电电压上限：-0.3 V
标称负供电电压 (Vsup)：功能数量：4
端子数量：16最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装等效代码：SOLCC16,.16,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：235电源：3/5 V
认证状态：Not Qualified标称响应时间：14000 ns
座面最大高度：0.8 mm子类别：Comparator
最大压摆率：0.0085 mA供电电压上限：12 V
标称供电电压 (Vsup)：3 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：4 mm
Base Number Matches：1

LTC1445CDHD 数据手册

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LTC1443/LTC1444/LTC1445  
Ultralow Power Quad  
Comparators with Reference  
FeaTures  
DescripTion  
TheLTC®1443/LTC1444/LTC1445areultralowpowerquad  
comparators with a built-in reference. The comparators  
feature less than 8.5µA supply current over temperature,  
an internal reference (1.182V 1ꢀ for LTC1443 or 1.221V  
1ꢀ for LTC1444/LTC1445), programmable hysteresis  
(LTC1444/LTC1445) and TTL/CMOS output (LTC1443/  
LTC1445) that sinks and sources current (open-drain  
output for LTC1444). The reference output can drive a  
bypass capacitor of up to 0.01µF without oscillation.  
n
Ultralow Quiescent Current: 8.5µA Max  
n
Reference Output Drives 0.01µF Capacitor  
n
Adjustable Hysteresis (LTC1444/LTC1445)  
Wide Supply Range  
n
Single: 2V to 11V  
Dual: 1V to 5.5V  
n
Input Voltage Range Includes the Negative Supply  
n
TTL/CMOS Compatible Outputs  
Propagation Delay: 12µs (Typ) (10mV Overdrive)  
No Crowbar Current  
40mA Continuous Source Current  
Pin Compatible Upgrades for MAX924 (LTC1443)  
Low Profile (5mm × 4mm × 0.8mm) DFN Package  
n
n
The comparators operate from a single 2V to 11V supply  
or a dual 1V to 5.5V supply (LTC1443). Comparator  
hysteresisiseasilyprogrammableusingtworesistorsand  
the HYST pin (LTC1444/LTC1445). Each comparator’s  
input operates from the negative supply to within 1.3V of  
the positive supply. The LTC1443/LTC1445 comparator  
output stage can continuously source up to 40mA. By  
eliminating the cross-conducting current that normally  
happenswhenthecomparatorchangeslogicstates,power  
supply glitches are eliminated.  
n
n
n
applicaTions  
n
Battery-Powered System Monitoring  
n
Threshold Detectors  
n
Window Comparators  
Oscillator Circuits  
n
The LTC1443/LTC1444/LTC1445 are available in the  
16-pin SO, PDIP and DFN packages.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Typical applicaTion  
Reference Settling Test Circuit  
Reference Settling  
3
+
V
IN  
8V  
V
+
V
3.4M  
1%  
5V  
TO 8V  
5V  
+
5
IN A  
+
–
2
OUT  
V
REF  
–
IN A  
4
14  
HYST  
REF  
1.21M  
1%  
R1  
10k  
LTC1445  
8
OUT  
144345 TA02  
+
2ms/DIV  
1.2V  
R2  
2.4M  
R3  
430Ω  
–
–
V
C1  
1.0µF  
9
144345 TA01  
144345fe  
1
1234567...14

中文翻译

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