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LTC1445CDHD#TR

更新时间： 2024-11-20 19:33:31
品牌 Logo 应用领域
凌特 - Linear 放大器光电二极管
页数 文件大小 规格书
12页 257K
描述
LTC1445 - Ultralow Power Quad Comparators with Reference; Package: DFN; Pins: 16; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1445CDHD#TR 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#TR 数据手册

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LTC1443/LTC1444/LTC1445  
Ultralow Power Quad  
Comparators with Reference  
U
FEATURES  
DESCRIPTIO  
■
Ultralow Quiescent Current: 8.5  
µ
A Max  
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 ±1% for LTC1443 or 1.221V  
±1% 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.  
■
Reference Output Drives 0.01  
µF Capacitor  
■
■
Adjustable Hysteresis (LTC1444/LTC1445)  
Wide Supply Range  
Single: 2V to 11V  
Dual: ±1V to ±5.5V  
■
■
■
■
■
■
■
Input Voltage Range Includes the Negative Supply  
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  
U
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.  
APPLICATIO S  
■
■
■
■
Battery-Powered System Monitoring  
Threshold Detectors  
Window Comparators  
Oscillator Circuits  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
The LTC1443/LTC1444/LTC1445 are available in the  
16-pin SO, PDIP and DFN packages.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
Reference Settling Test Circuit  
Reference Settling  
3
+
V
IN  
8V  
V+  
V
3.4M  
1%  
5V  
TO 8V  
5V  
+
5
IN A  
+
–
2
VREF  
OUT  
–
IN A  
4
14  
HYST  
REF  
1.21M  
1%  
R1  
10k  
OUT  
LTC1445  
8
2ms/DIV  
–
R2  
2.4M  
R3  
V
LTC1443/1444/1445 • TA02  
430Ω  
9
C1  
1.0µF  
LTC1443/44/45 • TA01  
144345fc  
1
1234567...12

中文翻译

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