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LTC1540C PDF预览

LTC1540C

更新时间: 2024-02-24 15:40:22
品牌 Logo 应用领域
凌特 - Linear 比较器
页数 文件大小 规格书
12页 250K
描述
Nanopower Comparator with Reference

LTC1540C 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:VSON, SOLCC8,.11,20
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:6.93放大器类型:COMPARATOR
最大输入失调电压:15000 µVJESD-30 代码:S-PDSO-N8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1负供电电压上限:
标称负供电电压 (Vsup):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:VSON封装等效代码:SOLCC8,.11,20
封装形状:SQUARE封装形式:SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度(摄氏度):250电源:+-1/+-5.5/2/11 V
认证状态:Not Qualified标称响应时间:70000 ns
座面最大高度:0.85 mm子类别:Comparator
最大压摆率:0.00071 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:Matte Tin (Sn)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:NOT SPECIFIED宽度:3 mm
Base Number Matches:1

LTC1540C 数据手册

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LTC1540  
Nanopower Comparator  
with Reference  
U
FEATURES  
DESCRIPTION  
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  
µ
A Typ  
Reference Output Drives 0.01  
Adjustable Hysteresis  
µF Capacitor  
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  
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
APPLICATIONS  
Battery-Powered System Monitoring  
Threshold Detectors  
Window Comparators  
Oscillator Circuits  
The LTC1540 is available in the 8-pin MSOP and SO  
packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Nanopower 2.9V VCC Threshold Detector  
LTC1540 Supply Current vs Temperature  
3.3V  
0.50  
+
7
V
V
= 5V  
R1  
+
= GND = 0V  
4.32M  
0.45  
0.40  
0.35  
0.30  
0.25  
0.20  
0.15  
V
LTC1540  
1%  
+
3
4
5
6
IN  
+
8
R2  
3M  
1%  
OUT  
IN  
HYST  
REF  
–40 –20  
20  
40  
0
TEMPERATURE (°C)  
60  
80  
100  
GND  
V
2
1
1540 • TA02  
1540  
• TA01  
1

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