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LM9044VX PDF预览

LM9044VX

更新时间： 2024-11-23 21:16:51
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
14页 350K
描述
SPECIALTY ANALOG CIRCUIT, PQCC20, PLASTIC, LCC-20

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LM9044VX 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：QLCC
包装说明：QCCJ,针数：20
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.03
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：S-PQCC-J20
JESD-609代码：e0长度：8.89 mm
湿度敏感等级：2A功能数量：1
端子数量：20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：QCCJ封装形状：SQUARE
封装形式：CHIP CARRIER峰值回流温度（摄氏度）：250
认证状态：Not Qualified座面最大高度：4.57 mm
标称供电电压 (Vsup)：12 V表面贴装：YES
技术：BIPOLAR温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn/Pb)端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：8.89 mm
Base Number Matches：1

LM9044VX 数据手册

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LM9044  
www.ti.com  
SNOSBP4D –FEBRUARY 1995–REVISED MARCH 2013  
LM9044 Lambda Sensor Interface Amplifier  
Check for Samples: LM9044  
1
FEATURES  
DESCRIPTION  
The LM9044 is a precision differential amplifier  
specifically designed for operation in the automotive  
environment. Gain accuracy is specified over the  
entire automotive temperature range (−40°C to  
+125°C) and is factory trimmed after package  
assembly. The input circuitry has been specifically  
designed to reject common-mode signals as much as  
3V below ground without the need for a negative  
voltage supply. This facilitates the use of sensors  
which are grounded at the engine block while the  
LM9044 itself is grounded at chassis potential. An  
external capacitor on the RF pin sets the maximum  
operating frequency of the amplifier, thereby filtering  
high frequency transients. Both inputs are protected  
against accidental shorting to the battery and against  
load dump transients. The input impedance is  
typically 1.2 MΩ.  
2
•
Normal Circuit Operation Specified with Inputs  
up to 3V Below Ground on a Single Supply.  
•
Gain Factory Trimmed and Specified over  
Temperature (±3% of Full-scale from −40°C to  
+125°C)  
•
•
•
•
Low Power Consumption (Typically 1 mA)  
Fully Protected Inputs  
Input Open Circuit Detection  
Operation Specified over the Entire  
Automotive Temperature Range (−40°C to  
+125°C)  
The output op amp is capable of driving capacitive  
loads and is fully protected. Also, internal circuitry has  
been provided to detect open circuit conditions on  
either or both inputs and force the output to a “home”  
position (a ratio of the external reference voltage).  
Typical Application  
+9.0V to  
+16.0V  
+4.75V to  
+5.50V  
10 kW  
0.01 mF  
V
CC  
V
REF  
20  
17  
800 mV -  
450 mV -  
100 mV -  
RICH  
LEAN  
+V  
IN  
100W  
0.01 mF  
AV = 1  
7
5
AV = 4.5  
175 kW  
RDIFF  
V
OUT  
200W  
VS  
12  
0.01 mF  
100W  
0.01 mF  
-V  
IN  
LM9044V  
15  
2
GND  
R
F
0.01 mF  
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 © 1995–2013, Texas Instruments Incorporated  
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