Datasheet > A3251JUA-TS

A3251JUA-TS

更新时间： 2024-11-12 20:53:43

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
14页	166K
描述
Analog Circuit, 1 Func, PSSO3, SMT-3

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技术参数
数据手册

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A3251JUA-TS 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	MODULE	包装说明：	,
针数：	3	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.92
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-PSSO-G3
JESD-609代码：	e0	长度：	4.105 mm
功能数量：	1	端子数量：	3
最高工作温度：	115 °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	峰值回流温度（摄氏度）：	240
认证状态：	Not Qualified	座面最大高度：	1.57 mm
最大供电电压 (Vsup)：	24 V	最小供电电压 (Vsup)：	4.2 V
标称供电电压 (Vsup)：	12 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	TIN LEAD
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	SINGLE	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3.035 mm	Base Number Matches：	1

A3251JUA-TS 数据手册

3250 AND

3251

PROGRAMMABLE, CHOPPER-

STABILIZED, HALL-EFFECT SWITCHES

PRELIMINARY INFORMATION

(subject to change without notice)

April 23, 2002

The A3250 and A3251 are programmable switches that provide

tooth/valley recognition in large gear-tooth sensing, high-temperature

applications. Each sensor consists of a single element, chopper-

stabilized Hall-effect IC that can be programmed to the desired mag-

netic operate switch point (drastically reducing the effects of variations

found in a production environment), while the hysteresis remains fixed.

The small package can be easily assembled and used in conjunction

with a wide variety of gear/target shapes and sizes. The A3250 output

turns on in the presence of the programmed south-pole magnetic field

while the A3251 turns off with the programmed south-pole magnetic

field.

PTCT

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

makes these devices extremely useful for transmission speed sensing.

The first character of the part number suffix determines the device

operating temperature range. Suffix ‘J–’ is for the automotive and

industrial temperature range of -40°C to +115°C. Suffix ‘L–’ is for the

automotive and military temperature range of -40°C to +150°C. The

Dwg. PH-003-2

ABSOLUTE MAXIMUM RATINGS

package is a three-lead ultra-mini-SIP for through-hole mounting

(suffix ‘–UA’). It is also available with lead forming for surface-

mount applications (suffix ‘–UA-TL’).

Supply Voltage, V_CC........................ 26.5 V*

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

Overvoltage Supply Current, I_CC..... 100 mA

Output Off Voltage, V_OUT................... 26.5 V

Continuous Output Current, I_OUT..... 20 mA†

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

Package Power Dissipation, P_D... See Graph

Operating Temperature Range, T_A

Suffix ‘J–’ .................. -40°C to +115°C

Suffix ‘L–’.................. -40°C to +150°C

Junction Temperature, T_J.................. +165°C

Storage Temperature Range,

FEATURES AND BENEFITS

■ Chopper Stabilized for Extremely Low Switch-Point Drift and

Immunity to Mechanical Stress

■ Externally Programmed Switch Point

■ On-Chip Supply-Transient Protection

■ Output Short-Circuit Protection

■ Reverse Battery Protection

■ Wide Operating Voltage Range

■ Defined Power-On State

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.

† Internal current limiting is intended to protect

the device from output short circuits.

Always order by complete part number: the prefix 'A' + the basic four-digit

part number + a suffix to indicate operating temperature range (‘J’ or ‘L’) +

a suffix to indicate package style (‘UA’), e.g., A3250LUA .

12 3 4 5 6 7...14

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与A3251JUA-TS相关器件

型号	品牌	获取价格	描述	数据表
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
A3251LLTTR-T	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251LUA	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251LUA	SANKEN	获取价格	Analog Circuit, 1 Func, PSIP3, ULTRA MINI, SIP-3
A3251LUA-T	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251LUATL	ALLEGRO	获取价格	Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect Switches
A3251LUA-TL	ALLEGRO	获取价格	SPECIALTY ANALOG CIRCUIT, PSSO3, SMT-3
A3251LUA-TL	SANKEN	获取价格	Analog Circuit, 1 Func, PSSO3, ULTRA MINI, SMT-3

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