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LM1815M

更新时间： 2024-02-27 00:12:37
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
17页 1325K
描述
Adaptive Variable Reluctance Sensor Amplifier 14-SOIC -40 to 125

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LM1815M 技术参数

是否Rohs认证： 不符合生命周期：Not Recommended
零件包装代码：SOIC包装说明：SOP, SOP14,.25
针数：14Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
Factory Lead Time：1 week风险等级：5.02
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G14
JESD-609代码：e0长度：8.65 mm
湿度敏感等级：1信道数量：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：SOP
封装等效代码：SOP14,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：235
认证状态：Not Qualified座面最大高度：1.75 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：YES
温度等级：AUTOMOTIVE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：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

LM1815M 数据手册

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LM1815  
www.ti.com  
SNOSBU8F –SEPTEMBER 2000–REVISED MARCH 2013  
LM1815 Adaptive Variable Reluctance Sensor Amplifier  
Check for Samples: LM1815  
1
FEATURES  
DESCRIPTION  
The LM1815 is an adaptive sense amplifier and  
default gating circuit for motor control applications.  
The sense amplifier 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.  
2
•
•
•
•
•
•
Adaptive Hysteresis  
Single Supply Operation  
Ground Referenced Input  
True Zero Crossing Timing Reference  
Operates from 2V to 12V Supply Voltage  
Handles Inputs from 100 mVP-P to over 120VP-P  
with External Resistor  
In normal operation, this timing reference signal is  
processed (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.  
•
CMOS Compatible Logic  
APPLICATIONS  
•
•
•
•
•
Position Sensing with Notched Wheels  
Zero Crossing Switch  
Motor Speed Control  
Tachometer  
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 varies with input signal amplitude.  
This enables the circuit to sense in situations where  
the high speed noise is greater than the low speed  
Engine Testing  
signal amplitude. Minimum input signal is 150mVP-P  
.
Connection Diagram  
Figure 1. Top View  
14-Lead SOIC or PDIP  
See D or NFF0014A Package  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2013, Texas Instruments Incorporated  
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LM1815M 替代型号

型号 品牌 替代类型 描述 数据表
LM1815MX/NOPB TI

完全替代

 LM1815 Adaptive Variable Reluctance Sensor Amplifier
LM1815M/NOPB TI

完全替代

 LM1815 Adaptive Variable Reluctance Sensor Amplifier
LM1815MX TI

完全替代

 SPECIALTY ANALOG CIRCUIT, PDSO14, SOIC-14

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