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A3251LLT PDF预览

A3251LLT

更新时间: 2024-11-12 18:57:27
品牌 Logo 应用领域
三垦 - SANKEN /
页数 文件大小 规格书
12页 155K
描述
Analog Circuit, 1 Func, PSSO3, MINIATURE, TO-243AA, SOT-89, 3 PIN

A3251LLT 技术参数

生命周期:Obsolete零件包装代码:SOT-89
包装说明:,针数:3
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.84模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PSSO-F3长度:4.5 mm
功能数量:1端子数量:3
最高工作温度:150 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:1.6 mm最大供电电压 (Vsup):26.5 V
最小供电电压 (Vsup):4.25 V标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:AUTOMOTIVE
端子形式:FLAT端子节距:1.5 mm
端子位置:SINGLE宽度:2.445 mm
Base Number Matches:1

A3251LLT 数据手册

 浏览型号A3251LLT的Datasheet PDF文件第2页浏览型号A3251LLT的Datasheet PDF文件第3页浏览型号A3251LLT的Datasheet PDF文件第4页浏览型号A3251LLT的Datasheet PDF文件第5页浏览型号A3251LLT的Datasheet PDF文件第6页浏览型号A3251LLT的Datasheet PDF文件第7页 
3250  
PROGRAMMABLE, CHOPPER-  
STABILIZED, HALL-EFFECT SWITCH  
The A3250x and A3251x programmable switches provide tooth/  
valley recognition in large gear-tooth sensing, high-temperature appli-  
cations. Each sensor consists of a single element, chopper-stabilized  
Hall-effect IC that can be programmed to the desired magnetic switch  
point, optimizing sensor airgap and timing accuracy performance after  
final packaging. The small package can be easily assembled and used  
in conjunction with a wide variety of gear/target shapes and sizes. The  
A3250x output turns on in the presence of a sufficiently large south-  
pole magnetic field while the A3251x turns off with a sufficiently large  
south-pole magnetic field.  
PTCT  
V
CC  
The sensing technology used for these sensors is Hall-effect based.  
The sensor incorporates a single-element Hall IC that switches in  
response to magnetic signals created by a ferrous target. The program-  
mability of the circuit eliminates magnet and system offsets such as  
those caused by tilt yet provides zero-speed detection capabilities  
without the associated running jitter inherent in classical digital solu-  
tions.  
1
2
3
A proprietary dynamic offset cancelation technique, with an  
internal high-frequency clock, minimizes the residual offset voltage,  
which is normally caused by device overmolding, temperature  
dependancies, and thermal stress. This technique produces devices that  
have an extremely stable quiescent output voltage, are immune to  
mechanical stress, and have precise recoverability after temperature  
cycling. Many problems normally associated with low-level analog  
signals are minimized by having the Hall element and amplifier in a  
single chip. Output precision is obtained by internal gain adjustments  
during the manufacturing process and operate-point programming in the  
user’s application.  
Dwg. PH-003-2  
PRELIMINARY INFORMATION  
(subject to change without notice)  
March 20, 2000  
ABSOLUTE MAXIMUM RATINGS  
Supply Voltage, VCC ........................ 26.5 V*  
Reverse Supply Voltage, VRCC ............ -18 V  
Output OFF Voltage, VOUT ..................... VCC  
Output Current, IOUT ..... Internally Limited  
Over-Voltage Supply Current, ICC ... 100 mA  
Magnetic Flux Density, B ............ Unlimited  
Operating Temperature Range, TA  
Suffix ‘E–.................... -40°C to +85°C  
Suffix ‘L–.................. -40°C to +150°C  
Storage Temperature Range,  
These sensor systems are ideal for use in gathering speed, position,  
and timing information using gear-tooth-based configurations. They are  
particularly suited to those applications that require accurate duty cycle  
control or accurate edge detection. The lower vibration sensitivity also  
Continued next page  
TS ................................ -65°C to +170°C  
*Fault conditions that produce supply voltage  
transients will be clamped by an internal Zener  
diode. These conditions can be tolerated but  
should be avoided.  
Always order by complete part number: the prefix 'A' + the basic four-digit  
part number + a suffix to indicate operating temperature range +  
a suffix to indicate package style, e.g., A3250LLT .  

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