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LTC1445CS#TR

更新时间： 2024-11-20 13:09:43
品牌 Logo 应用领域
凌特 - Linear 比较器
页数 文件大小 规格书
16页 245K
描述
LTC1445 - Ultralow Power Quad Comparators with Reference; Package: SO; Pins: 16; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1445CS#TR 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP, SOP16,.25
针数：16Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.3放大器类型：COMPARATOR
最大输入失调电压：10000 µVJESD-30 代码：R-PDSO-G16
JESD-609代码：e0长度：9.906 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：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
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：1.752 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：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：3.899 mm
Base Number Matches：1

LTC1445CS#TR 数据手册

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LTC1440/LTC1441/LTC1442  
Ultralow Power Single/Dual  
Comparator with Reference  
U
DESCRIPTIO  
FEATURES  
The LTC®1440/LTC1441/LTC1442 are ultralow power  
single and dual comparators with built-in references. The  
comparators feature less than 3.7µA supply current over  
temperature (LTC1440), a 1.182V ±1% reference, pro-  
grammablehysteresis(LTC1440/LTC1442)andTTL/CMOS  
outputsthatsinkandsourcecurrent. Thereferenceoutput  
can drive a bypass capacitor of up to 0.01µF without  
oscillation.  
■
Ultralow Quiescent Current: 2.1  
µ
A Typ (LTC1440)  
■
Reference Output Drives 0.01  
µF Capacitor  
■
■
Adjustable Hysteresis (LTC1440/LTC1442)  
Wide Supply Range:  
Single: 2V to 11V  
Dual: ±1V to ±5.5V  
■
■
■
■
■
■
■
Input Voltage Range Includes the Negative Supply  
TTL/CMOS Compatible Outputs  
12µs Propagation Delay with 10mV Overdrive  
No Crowbar Current  
40mA Continuous Source Current  
Pin Compatible Upgrades for MAX921/922/923  
3mm x 3mm x 0.75mm DFN Package (LTC1440)  
The comparators operate from a single 2V to 11V supply  
or a dual ±1V to ±5.5V supply (LTC1440). Comparator  
hysteresis is easily programmed by using two resistors  
andtheHYSTpin(LTC1440/LTC1442).Eachcomparator’s  
input operates from the negative supply to within 1.3V of  
the positive supply. The comparator output stage can  
continuously source up to 40mA. By eliminating the  
cross-conductingcurrentthatnormallyhappenswhenthe  
comparatorchangeslogicstates,thepowersupplyglitches  
are eliminated.  
U
APPLICATIO S  
■
Battery-Powered System Monitoring  
■
Threshold Detectors  
■
Window Comparators  
Oscillator Circuits  
■
The LTC1440 is available in 8-pin PDIP, SO, MSOP and  
DFN packages. The LTC1441/LTC1442 are available in  
8-pin PDIP and SO packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
Micropower 2.9V V Threshold Detector  
CC  
LTC1440 Supply Current vs Temperature  
3.3V  
5.0  
+
V
V
= 5V  
–
7
= GND = 0V  
4.5  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
R1  
1.65M  
1%  
+
V
+
–
3
4
5
6
IN  
IN  
+
–
8
R2  
1.13M  
1%  
OUT  
HYST  
REF  
LTC1440  
40  
0
TEMPERATURE (°C)  
80 100  
–40 –20  
20  
60  
–
GND  
1
V
1440/1/2 TA02  
2
1440 TA01  
144012fc  
1
1234567...16

中文翻译

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