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参数资料
| 型号： | A1242LLHLT-I2-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/12页 |
| 文件大小： | 297K |
| 描述： | IC LATCH HALL EFFECT SOT-23W |
| 产品培训模块： | Current Sensor |
| 标准包装： | 3,000 |
| 传感范围： | 80G 跳闸，-80G 释放 |
| 类型： | 单极开关 |
| 电源电压： | 3.5 V ~ 24 V |
| 电流 - 电源： | 6.9mA |
| 输出类型： | 数字式，开漏极 |
| 特点： | 稳压电压 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | SOT-23W |
| 供应商设备封装： | SOT-23W |
| 包装： | 带卷 (TR) |
Description
The A1242 Hall effect latch is a two-wire latch especially
suited for operation over extended temperature ranges, from
40 to +150癈. Superior high-temperature performance is
made possible through the Allegro
?/DIV>
patented dynamic offset
cancellation technique, which reduces the residual offset
voltage normally caused by device overmolding, temperature
dependencies, and thermal stress.
The current-switching output technique allows for the reduction
in cost in the wiring harness because only two connections to
the device are required. The current-switching output structure
also inherently provides more immunity against EMC/ESD
transients. These devices have low magnetic thresholds, thereby
enabling more flexibility in the magnetic circuit design.
The Hall effect latch will be in the high output current state
in the presence of a magnetic South Pole field of sufficient
magnitude and will remain in this state until a sufficient North
Pole field is present.
The A1242 includes the following on a single silicon chip:
a voltage regulator, Hall-voltage generator, small-signal
amplifier, chopper stabilization, Schmitt trigger, and a current
source output. Advanced BiCMOS wafer fabrication processing
takes advantage of low-voltage requirements, component
1242-DS, Rev. 6
Features and Benefits
?Chopper stabilization
?Superior temperature stability
?Extremely low switchpoint drift
?Insensitive to physical stress
?Reverse battery protection
?Solid-state reliability
?Small size
?Robust EMC capability
?High ESD ratings (HBM)
Two-Wire Chopper-Stabilized Hall Effect Latch
Continued on the next page&
Functional Block Diagram
Not to scale
A1242
Packages: 3 pin SOT23W (suffix LH), and
3 pin SIP (suffix UA)
Not to scale
Amp
Regulator
Low-Pass
Filter
GND
VCC
GND
Package UA Only
Clock/Logic
To All Subcircuits
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A1242LUA-I1-T | 功能描述:IC LATCH 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 |
| A1242LUA-I2-T | 功能描述:IC LATCH 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 |
| A1243 | 制造商:Hakko 功能描述:Tip,0.8D,929 -2/939,903 Used With Soldering Stations |
| A1243LLHLX-I1-T | 功能描述:IC HALL EFFECT LTCH DGTL SOT23W 制造商:allegro microsystems, llc 系列:* 零件状态:在售 标准包装:10,000 |
| A1243LLHLX-I2-T | 功能描述:IC HALL EFFECT LTCH DGTL SOT23W 制造商:allegro microsystems, llc 系列:- 包装:- 零件状态:有效 功能:- 技术:- 极化:- 感应范围:- 测试条件:- 电压 - 电源:- 电流 - 电源（最大值）:- 电流 - 输出（最大值）:- 输出类型:- 特性:- 工作温度:- 封装/外壳:- 供应商器件封装:- 标准包装:10,000 |
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