Datasheet > A3251EUA

A3251EUA

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, PSIP3, ULTRA MINI, SIP-3

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A3251EUA 技术参数

生命周期：	Obsolete	零件包装代码：	SIP
包装说明：	SIP,	针数：	3
Reach Compliance Code：	unknown	HTS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-PSIP-T3	长度：	4.105 mm
功能数量：	1	端子数量：	3
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：	SIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE
认证状态：	Not Qualified	座面最大高度：	5.26 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：	NO
温度等级：	INDUSTRIAL	端子形式：	THROUGH-HOLE
端子节距：	1.27 mm	端子位置：	SINGLE
宽度：	1.52 mm	Base Number Matches：	1

A3251EUA 数据手册

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

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.

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, V_CC........................ 26.5 V*

Reverse Supply Voltage, V_RCC............ -18 V

Output OFF Voltage, V_OUT..................... V_CC

Output Current, I_OUT..... Internally Limited

Over-Voltage Supply Current, I_CC... 100 mA

Magnetic Flux Density, B ............ Unlimited

Operating Temperature Range, T_A

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

T_S................................ -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 .

12 3 4 5 6 7...12

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与A3251EUA相关器件

型号	品牌	获取价格	描述	数据表
A3251EUA-LC	ALLEGRO	获取价格	暂无描述
A3251EUA-T	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251EUA-TL	SANKEN	获取价格	Analog Circuit, 1 Func, PSSO3, ULTRA MINI, SMT-3
A3251JUA	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251JUATL	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251JUA-TL	ALLEGRO	获取价格	SPECIALTY ANALOG CIRCUIT, PSSO3, SMT-3
A3251JUA-TS	ALLEGRO	获取价格	Analog Circuit, 1 Func, PSSO3, SMT-3
A3251LLT	SANKEN	获取价格	Analog Circuit, 1 Func, PSSO3, MINIATURE, TO-243AA, SOT-89, 3 PIN
A3251LLT-T	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251LLTTR	ALLEGRO	获取价格	Analog Circuit, 1 Func, PSSO3, TO-243AA, SOT-89, 3 PIN

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