A1321

更新时间： 2024-11-09 22:26:35

品牌	Logo	应用领域
急速微 - ALLEGRO		传感器
页数	文件大小	规格书
9页	410K
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Ratiometric Linear Hall Effect Sensor for High-Temperature Operation

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A1321 数据手册

A1321/A1322/A1323

Ratiometric Linear Hall Effect Sensor for High-Temperature Operation

The A132X family of linear Hall-effect sensors are optimized, sensitive, and tem-

perature-stable. These ratiometric Hall-effect sensors provide a voltage output that

is proportional to the applied magnetic ﬁeld. The A132X family has a quiescent

output voltage that is 50% of the supply voltage and output sensitivity options

Package UA, 3-pin SIP

of 2.5mV/G, 3.125mV/G, and 5mV/G. The features of this family of devices are

ideal for use in the harsh environments found in automotive and industrial linear

and rotary position sensing systems.

1. VCC

Each device has a BiCMOS monolithic circuit which integrates a Hall element,

improved temperature-compensating circuitry to reduce the intrinsic sensitivity

drift of the Hall element, a small-signal high-gain ampliﬁer, and a rail-to-rail low-

impedance output stage.

2. GND

3. VOUT

A proprietary dynamic offset cancellation technique, with an internal high-fre-

quency clock, reduces the residual offset voltage normally caused by device

overmolding, temperature dependencies, and thermal stress. The high frequency

clock allows for a greater sampling rate, which results in higher accuracy and

faster signal processing capability. This technique produces devices that have an

extremely stable quiescent output voltage, are immune to mechanical stress, and

have precise recoverability after temperature cycling. Having the Hall element

and an ampliﬁer on a single chip minimizes many problems normally associated

with low-level analog signals.

Package LH, 3-pin Surface Mount

1. VCC

2. VOUT

3. GND

Output precision is obtained by internal gain and offset trim adjustments made at

end-of-line during the manufacturing process.

The A132X family is provided in a 3-pin single in-line package (UA) and a 3-pin

surface mount package (LH).

Features and Beneﬁts

ꢀTemperature-stable quiescent output

ꢀImproved sensitivity

voltage

ꢀ4.5 to 5.5 V operation

ꢀImmunity to mechanical stress

ꢀSolid-state reliability

ABSOLUTE MAXIMUM RATINGS

ꢀPrecise recoverability after temperature cycling

ꢀOutput voltage proportional to magnetic ﬂux

density

Supply Voltage, V_CC.......................................... 8 V^*

Reverse-Battery Voltage, V_RCC.......................–0.1 V

Reverse-Output Voltage, V_ROUT.....................–0.1 V

Output Sink Current, I_OUT............................. 10 mA

Operating Temperature

ꢀRobust EMC protection

ꢀRatiometric rail-to-rail output

Use the following complete part numbers when ordering:

Ambient, T_A, Range E..................–40ºC to 85ºC

Ambient, T_A, Range L................–40ºC to 150ºC

Maximum Junction, T_J(max)........................165ºC

Storage Temperature, T_S..................–65ºC to 170ºC

Part Number

A1321EUA

A1321ELH

A1321LUA

A1321LLH

A1322EUA

A1322ELH

A1322LUA

A1322LLH

A1323EUA

A1323ELH

A1323LUA

A1323LLH

Package

SIP

Surface Mount

SIP

Surface Mount

SIP

Surface Mount

SIP

Surface Mount

SIP

Surface Mount

SIP

Ambient

Sensitivity, Typ.

–40ºC to 85ºC

5.000 mV/G

–40ºC to 150ºC

–40ºC to 85ºC

–40ºC to 150ºC

–40ºC to 85ºC

–40ºC to 150ºC

^*Additional current draw may be observed at voltages

above the minimum supply Zener clamp voltage, V_Z(min)

3.125 mV/G

2.500 mV/G

due to the Zener diode turning on.

Surface Mount

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

A1321-DS Rev. 3

12 3 4 5 6 7...9

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与A1321相关器件

型号	品牌	获取价格	描述	数据表
A1321_06	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor for High-Temperature Operation
A1321_11	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor ICs for High-Temperature Operation
A1321E	ALLEGRO	获取价格	Hall Effect Sensor, 0.2-4.7V, Rectangular, Through Hole Mount, UA-3
A1321ELH	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor for High-Temperature Operation
A1321ELHLT	ALLEGRO	获取价格	Hall Effect Sensor, 10mT Max, 0.20-4.70V, BICMOS, Plastic/epoxy, Rectangular, 3 Pin, Surfa
A1321ELHLT-T	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor for High-Temperature Operation
A1321ELHLT-T2	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor ICs for High-Temperature Operation
A1321EUA	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor for High-Temperature Operation
A1321EUA-T	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor for High-Temperature Operation
A1321EUA-T3	ALLEGRO	获取价格	Ratiometric Linear Hall Effect Sensor ICs for High-Temperature Operation

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