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参数资料
| 型号： | A1122ELHLT-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 1/18页 |
| 文件大小： | 407K |
| 描述： | IC SWITCH HALL EFFECT UNI SOT-23 |
| 标准包装： | 1 |
| 传感范围： | 200G 跳闸，110G 释放 |
| 类型： | 单极开关 |
| 电源电压： | 3 V ~ 24 V |
| 电流 - 电源： | 4mA |
| 电流 - 输出（最大）： | 25mA |
| 输出类型： | 数字式，开漏极 |
| 特点： | 高温 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SOT-23W |
| 供应商设备封装： | * |
| 包装： | * |
| 其它名称： | 620-1405-6 |
Description
The A1120, A1121, A1122, A1123, and A1125 Hall-effect,
unipolar switches are extremely temperature-stable and
stress-resistant sensor ICs, especially suited for operation
over extended temperature ranges to 150癈. Superior high-
temperature performance is made possible through dynamic
offset cancellation, which reduces the residual offset voltage
normally caused by device overmolding, temperature
dependencies, and thermal stress.
Each device includes on a single silicon chip a voltage regulator,
Hall-voltage generator, small-signal amplifier, chopper
stabilization, Schmitt trigger, and a short-circuit protected
open-drain output to sink up to 25 mA.
An on-board regulator permits operation with supply voltages
of 3 to 24 V. The advantage of operating down to 3 V is that
the device can be used in 3 V applications or with additional
external resistance in series with the supply pin for greater
protection against high voltage transient events.
For the A1120, A1121, A1122, and A1123 a south pole of
sufficient strength turns the output on. Removal of the magnetic
field turns the output off. The A1125 is complementary, in that
for these devices, a south pole turns the A1125 output off, and
removal of the magnetic field turns the output on.
Two package styles provide a magnetically optimized package
for most applications. Package type LH is a modified SOT23W,
surface mount package, while UA is a three-lead ultra-mini SIP
for through-hole mounting. Each package type is lead (Pb) free
(suffix, T), with a 100% matte tin plated leadframe.
A1120-DS, Rev. 15
Features and Benefits
? Unipolar switchpoints
? Resistant to physical stress
? Superior temperature stability
? Output short-circuit protection
? Operation from unregulated supply
? Reverse battery protection
? Solid-state reliability
? Small package sizes
Chopper Stabilized Precision Hall Effect Switches
Packages:
Functional Block Diagram
Not to scale
A1120, A1121, A1122, A1123, and A1125
3-pin SOT23W
(suffix LH)
(A1121, A1122,
A1123, and A1125)
(A1120)
3-pin SIP (suffix UA)
Regulator
GND
VCC
VOUT
Control
Current Limit
To All Subcircuits
Amp
Low-Pass
Filter
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A1122ELHLT-T2 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Chopper Stabilized Precision Hall Effect Switches |
| A1122ELHLX-T | 功能描述:SENSOR HALL EFFECT UNIPLR SOT23 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 |
| A1122EUA-T | 功能描述:SENSOR HALL EFFECT UNIPLR 3SIP 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 |
| A1122L | 功能描述:TOOL 制造商:astro tool corp 系列:- 零件状态:有效 工具类型:- 配套使用产品/相关产品:- 特性:- 标准包装:1 |
| A1122LLHLT-T | 功能描述:IC SWITCH HALL EFFECT UNI SOT-23 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 |
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