A1141LUATI

更新时间： 2024-02-18 06:23:38

品牌	Logo	应用领域
急速微 - ALLEGRO		开关
页数	文件大小	规格书
13页	344K
描述
Analog Circuit, 1 Func, BICMOS, PSIP3, ULTRA MINI, SIP-3

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技术参数
数据手册

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A1141LUATI 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SIP	包装说明：	SIP,
针数：	3	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.83
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-PSIP-T3
JESD-609代码：	e3	长度：	4.105 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	封装代码：	SIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	5.26 mm	最大供电电压 (Vsup)：	24 V
最小供电电压 (Vsup)：	3.5 V	标称供电电压 (Vsup)：	12 V
表面贴装：	NO	技术：	BICMOS
温度等级：	AUTOMOTIVE	端子面层：	Matte Tin (Sn)
端子形式：	THROUGH-HOLE	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：	1.52 mm	Base Number Matches：	1

A1141LUATI 数据手册

Sensitive Two-Wire Chopper-Stabilized

Unipolar Hall Effect Switches

A1140, A1141,

A1142, and A1143

Application Information

Typical Application Circuit

The A114x family of devices must be protected by an external

bypass capacitor, C_BYP, connected between the supply, VCC,

and the ground, GND, of the device. C_BYPreduces both external

noise and the noise generated by the chopper-stabilization func-

tion. As shown in figure 3, a 0.01 μF capacitor is typical.

V+

VCC

A114x

BYP

Installation of C_BYPmust ensure that the traces that connect it to

the A114x pins are no greater than 5 mm in length.

0.01 μF

GND

All high-frequency interferences conducted along the supply

lines are passed directly to the load through C_BYP, and it serves

only to protect the A114x internal circuitry. As a result, the load

ECU (electronic control unit) must have sufficient protection,

other than C_BYP, installed in parallel with the A114x.

Package UA Only

Maximum separation 5 mm

R_SENSE

A series resistor on the supply side, RS (not shown), in combina-

tion with C_BYP, creates a filter for EMI pulses.

When determining the minimum V_CCrequirement of the A114x

device, the voltage drops across R_Sand the ECU sense resistor,

R_SENSE, must be taken into consideration. The typical value for

R_SENSEis approximately 100 Ω.

ECU

Figure 3. Typical application circuit

For additional general application information, visit the Allegro

Web site at www. allegromicro.com.

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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