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| 型号： | ACS758KCB-150B-PFF-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 18/22页 |
| 文件大小： | 0K |
| 描述： | SENSOR CURRENT 150A 5V BI 5-CB |
| 标准包装： | 1,632 |
| 电流 - 感应： | ±150A |
| 精确度： | ±1% |
| 灵敏度： | 13.3mV/A |
| 电流 - 电源： | 10mA |
| 传感器类型： | 霍尔效应 |
| 电源电压： | 3 V ~ 5.5 V |
| 输出： | 2.5V |
| 频率： | 120kHz |
| 响应时间： | 4µs |
| 电极标记： | 双向 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 5-CB 成形引线 |
| 包装： | 管件 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1322 |
ACS758xCB
Chopper Stabilization Technique
Thermally Enhanced, Fully Integrated, Hall Effect-Based
Linear Current Sensor IC with 100 μ Ω Current Conductor
Chopper Stabilization is an innovative circuit technique that is
used to minimize the offset voltage of a Hall element and an asso-
ciated on-chip amplifier. Allegro patented a Chopper Stabiliza-
tion technique that nearly eliminates Hall IC output drift induced
by temperature or package stress effects.
This offset reduction technique is based on a signal modulation-
demodulation process. Modulation is used to separate the unde-
sired DC offset signal from the magnetically induced signal in the
frequency domain. Then, using a low-pass filter, the modulated
DC offset is suppressed while the magnetically induced signal
passes through the filter. The anti-aliasing filter prevents aliasing
from happening in applications with high frequency signal com-
ponents which are beyond the user ’s frequency range of interest.
As a result of this chopper stabilization approach, the output
voltage from the Hall IC is desensitized to the effects of tempera-
ture and mechanical stress. This technique produces devices that
have an extremely stable Electrical Offset Voltage, are immune to
thermal stress, and have precise recoverability after temperature
cycling.
This technique is made possible through the use of a BiCMOS
process that allows the use of low-offset and low-noise amplifiers
in combination with high-density logic integration and sample
and hold circuits.
Regulator
Clock/Logic
Hall Element
Amp
Concept of Chopper Stabilization Technique
Low-Pass
Filter
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
18
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ACS758KCB-150B-PSS-T | 功能描述:SENSOR CURRENT 150A 5V BI 5-CB RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
| ACS758KCB-150U-PFF-T | 功能描述:IC SENSOR CURRENT 150A UNI 3-CB RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
| ACS758LCB-050B-PFF-T | 功能描述:SENSOR CURRENT 50A 5V BI 5-CB RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
| ACS758LCB-050B-PFF-T | 制造商:Allegro MicroSystems 功能描述:Hall Effect IC |
| ACS758LCB-050U-PFF-T | 功能描述:IC SENSOR CURRENT 50A UNI 3-CB RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
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