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Description
The A132X family of linear Hall-effect sensor ICs are optimized,
sensitive, and temperature-stable. These ratiometric Hall-effect
sensor ICs 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 of 2.5 mV/G, 3.125 mV/G, and 5m V/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.
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.
A proprietary dynamic offset cancellation technique, with
an internal high-frequency 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
A1321-DS, Rev. 23
Features and Benefits
? Temperature-stable quiescent output voltage
? Precise recoverability after temperature cycling
? Output voltage proportional to magnetic flux density
? Ratiometric rail-to-rail output
? Improved sensitivity
? 4.5 to 5.5 V operation
? Immunity to mechanical stress
? Solid-state reliability
? Robust EMC protection
Ratiometric Linear Hall Effect Sensor ICs
for High-Temperature Operation
Functional Block Diagram
Not to scale
A1321, A1322, and A1323
Continued on the next page&
Packages: 3 pin SOT23W (suffix LH), and
3 pin SIP (suffix UA)
Amp
GND
VOUT
VCC
Out
Offset
Trim
Control
Gain
0.1 糉
V+
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相关代理商/技术参数
A1323LLHLT-T 制造商:Allegro MicroSystems 功能描述:Hall Effect Switch IC
A1323LLHLT-T2 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Ratiometric Linear Hall Effect Sensor ICs for High-Temperature Operation
A1323LUA 功能描述:IC SENSOR HALL EFFECT 3-SIP RoHS:否 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR
A1323LUA-LCT 制造商:Allegro MicroSystems LLC 功能描述:
A1323LUA-T 功能描述:IC SENSOR HALL EFFECT 3-SIP RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR
A1323LUA-T 制造商:Allegro MicroSystems 功能描述:Hall Effect Switch IC
A1323LUA-T3 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Ratiometric Linear Hall Effect Sensor ICs for High-Temperature Operation
A1324 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low Noise, Linear Hall Effect Sensor ICs with Analog Output