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LM1815N/NOPB PDF预览

LM1815N/NOPB

更新时间: 2024-01-17 17:16:34
品牌 Logo 应用领域
美国国家半导体 - NSC 传感器放大器
页数 文件大小 规格书
6页 136K
描述
IC SPECIALTY ANALOG CIRCUIT, PDIP14, PLASTIC, DIP-14, Analog IC:Other

LM1815N/NOPB 技术参数

是否Rohs认证:符合生命周期:Transferred
包装说明:DIP, DIP14,.3Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.03Is Samacsys:N
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDIP-T14
JESD-609代码:e3长度:19.18 mm
湿度敏感等级:1功能数量:1
端子数量:14最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP14,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:5.08 mm子类别:Other Analog ICs
最大供电电流 (Isup):6 mA最大供电电压 (Vsup):12 V
最小供电电压 (Vsup):2.5 V标称供电电压 (Vsup):10 V
表面贴装:NO温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:7.62 mm
Base Number Matches:1

LM1815N/NOPB 数据手册

 浏览型号LM1815N/NOPB的Datasheet PDF文件第2页浏览型号LM1815N/NOPB的Datasheet PDF文件第3页浏览型号LM1815N/NOPB的Datasheet PDF文件第4页浏览型号LM1815N/NOPB的Datasheet PDF文件第5页浏览型号LM1815N/NOPB的Datasheet PDF文件第6页 
February 1995  
LM1815 Adaptive Variable Reluctance Sensor Amplifier  
General Description  
Features  
Y
Adaptive hysteresis  
The LM1815 is an adaptive sense amplifier and default gat-  
ing circuit for motor control applications. The sense amplifi-  
er provides a one-shot pulse output whose leading edge  
coincides with the negative-going zero crossing of a ground  
referenced input signal such as from a variable reluctance  
magnetic pick-up coil.  
Y
Single supply operation  
Y
Ground referenced input  
Y
True zero crossing timing reference  
Y
Operates from 2V to 12V supply voltage  
Y
Handles inputs from 100 mV to over 120V with external  
resistor  
In normal operation, this timing reference signal is process-  
ed (delayed) externally and returned to the LM1815. A logic  
input is then able to select either the timing reference or the  
processed signal for transmission to the output driver stage.  
Y
CMOS compatible logic  
Applications  
Y
The adaptive sense amplifier operates with a positive-going  
threshold which is derived by peak detecting the incoming  
signal and dividing this down. Thus the input hysteresis var-  
ies with input signal amplitude. This enables the circuit to  
sense in situations where the high speed noise is greater  
than the low speed signal amplitude. Minimum input signal  
is 100 mVp-p.  
Position sensing with notched wheels  
Y
Zero crossing switch  
Y
Motor speed control  
Y
Tachometer  
Y
Engine testing  
Connection Diagram  
Truth Table  
Signal  
Input  
Input  
Timing  
Input  
Gated  
Select  
Output  
Pulses  
X
L
X
Pulses  
Pulses  
H
Pulses  
TL/H/7893–1  
Top View  
Order Number LM1815M or LM1815N  
See NS Package Number M14A or N14A  
C
1995 National Semiconductor Corporation  
TL/H/7893  
RRD-B30M115/Printed in U. S. A.  

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