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LTC1444IS PDF预览

LTC1444IS

更新时间: 2024-11-23 22:57:35
品牌 Logo 应用领域
凌特 - Linear 比较器
页数 文件大小 规格书
12页 179K
描述
Ultralow Power Quad Comparators with Reference

LTC1444IS 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:0.150 INCH, PLASTIC, SOP-16
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.15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:85 °C
最低工作温度:-40 °C输出类型:OPEN-DRAIN
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:0.009 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:INDUSTRIAL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 mmBase Number Matches:1

LTC1444IS 数据手册

 浏览型号LTC1444IS的Datasheet PDF文件第2页浏览型号LTC1444IS的Datasheet PDF文件第3页浏览型号LTC1444IS的Datasheet PDF文件第4页浏览型号LTC1444IS的Datasheet PDF文件第5页浏览型号LTC1444IS的Datasheet PDF文件第6页浏览型号LTC1444IS的Datasheet PDF文件第7页 
LTC1443/LTC1444/LTC1445  
Ultralow Power Quad  
Comparators with Reference  
U
FEATURES  
DESCRIPTIO  
Ultralow Quiescent Current: 8.5  
µA 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.  
Wide Supply Range  
Single: 2V to 11V  
Dual: ±1V to ±5.5V  
Input Voltage Range Includes the Negative Supply  
Reference Output Drives 0.01µF Capacitor  
Adjustable Hysteresis (LTC1444/LTC1445)  
TTL/CMOS Compatible Outputs  
Propagation Delay: 12µs (Typ) (10mV Overdrive)  
No Crowbar Current  
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.  
40mA Continuous Source Current  
Pin Compatible Upgrades for MAX924 (LTC1443)  
U
APPLICATIO S  
Battery-Powered System Monitoring  
Threshold Detectors  
Window Comparators  
Oscillator Circuits  
The LTC1443/LTC1444/LTC1445 are available in the  
16-pin SO and PDIP packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
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  
430  
9
C1  
1.0µF  
LTC1443/44/45 • TA01  
1

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