5秒后页面跳转
LTC1445 PDF预览

LTC1445

更新时间: 2024-11-25 14:57:43
品牌 Logo 应用领域
亚德诺 - ADI 比较器
页数 文件大小 规格书
14页 232K
描述
具基准的超低功率、四通道比较器

LTC1445 数据手册

 浏览型号LTC1445的Datasheet PDF文件第2页浏览型号LTC1445的Datasheet PDF文件第3页浏览型号LTC1445的Datasheet PDF文件第4页浏览型号LTC1445的Datasheet PDF文件第5页浏览型号LTC1445的Datasheet PDF文件第6页浏览型号LTC1445的Datasheet PDF文件第7页 
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

与LTC1445相关器件

型号 品牌 获取价格 描述 数据表
LTC1445_15 Linear

获取价格

Ultralow Power Quad Comparators with Reference
LTC1445CDHD Linear

获取价格

Ultralow Power Quad omparators with Reference
LTC1445CDHD#TR Linear

获取价格

LTC1445 - Ultralow Power Quad Comparators with Reference; Package: DFN; Pins: 16; Temperat
LTC1445CDHD#TRPBF Linear

获取价格

暂无描述
LTC1445CN Linear

获取价格

Ultralow Power Quad Comparators with Reference
LTC1445CN#PBF Linear

获取价格

LTC1445 - Ultralow Power Quad Comparators with Reference; Package: PDIP; Pins: 16; Tempera
LTC1445CN#TR Linear

获取价格

IC QUAD COMPARATOR, 10000 uV OFFSET-MAX, 5000 ns RESPONSE TIME, PDIP16, 0.300 INCH, PLASTI
LTC1445CN#TRPBF Linear

获取价格

IC QUAD COMPARATOR, 10000 uV OFFSET-MAX, 5000 ns RESPONSE TIME, PDIP16, 0.300 INCH, LEAD F
LTC1445CS Linear

获取价格

Ultralow Power Quad Comparators with Reference
LTC1445CS#PBF Linear

获取价格

LTC1445 - Ultralow Power Quad Comparators with Reference; Package: SO; Pins: 16; Temperatu