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LTC1540IDD#TR

更新时间： 2024-01-30 05:47:44
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 146K
描述
LTC1540 - Nanopower Comparator with Reference; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

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LTC1540IDD#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针数：8
Reach Compliance Code：not_compliant风险等级：5.71
放大器类型：COMPARATOR最大输入失调电压：15000 µV
JESD-30 代码：R-PDSO-N8JESD-609代码：e0
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SON
封装等效代码：SOLCC8,.11,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE电源：+-1/+-5.5/2/11 V
认证状态：Not Qualified标称响应时间：70000 ns
子类别：Comparators最大压摆率：0.00071 mA
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：NO LEAD端子节距：0.5 mm
端子位置：DUALBase Number Matches：1

LTC1540IDD#TR 数据手册

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LTC1540  
Nanopower Comparator  
with Reference  
U
FEATURES  
DESCRIPTIO  
The LTC®1540 is an ultralow power, single comparator  
with built-in reference. The comparator’s features  
include less than 0.6µA supply current over the commer-  
cial temperature range, a 1.182V ±2% reference, pro-  
grammable hysteresis and TTL/CMOS outputs that sink  
and source current. The reference output can drive a  
bypass capacitor of up to 0.01µF without oscillation.  
■
Ultralow Quiescent Current: 0.3  
Reference Output Drives 0.01  
Adjustable Hysteresis  
Available in 3mm x 3mm x 0.8mm DFN Package  
Wide Supply Range: 2V to 11V  
Input Voltage Range Includes the Negative Supply  
Reference Output Sources Up to 1mA  
TTL/CMOS Compatible Outputs  
60µs Propagation Delay with 10mV Overdrive  
No Crowbar Current  
40mA Continuous Source Current  
Pin Compatible with LTC1440, MAX921, MAX931  
µ
A Typ  
■
µF Capacitor  
■
■
■
■
■
■
■
■
■
■
The comparator operates from a single 2V to 11V supply  
or a dual ±1V to ±5.5V supply. Comparator hysteresis is  
easily programmed by using two resistors and the HYST  
pin. Each comparator’s input operates from the negative  
supply to within 1.3V of the positive supply. The compara-  
tor output stage can continuously source up to 40mA. By  
eliminating the cross-conducting current that normally  
occur when the comparator changes logic states, power  
supply glitches are eliminated.  
U
APPLICATIO S  
■
Battery-Powered System Monitoring  
■
Threshold Detectors  
■
Window Comparators  
Oscillator Circuits  
The LTC1540 is available in the 8-pin MSOP and SO  
packages. For space limited applications, the LTC1540 is  
available in a 3mm x 3mm low profile (0.8mm) dual fine-  
pitch leadless package (DFN).  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Nanopower 2.9V VCC Threshold Detector  
LTC1540 Supply Current vs Temperature  
3.3V  
0.50  
+
7
R1  
4.32M  
1%  
V
V
= 5V  
–
+
= GND = 0V  
0.45  
0.40  
0.35  
0.30  
0.25  
0.20  
0.15  
V
LTC1540  
+
–
3
4
5
6
IN  
+
–
8
R2  
3M  
1%  
OUT  
IN  
HYST  
REF  
–
40  
0
TEMPERATURE (°C)  
80 100  
–40 –20  
20  
60  
GND  
V
2
1
1540 • TA02  
1540  
• TA01  
sn1540 1540fas  
1
1234567...12

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