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參數(shù)資料
| 型號(hào)： | ACS704ELC-015 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Fully Integrated, Hall Effect-Based Linear Current Sensor with Voltage Isolation and a Low-Resistance Current Conductor |
| 中文描述： | 全集成，霍爾效應(yīng)為基礎(chǔ)的電壓絕緣及低電阻電流導(dǎo)體線性電流傳感器 |
| 文件頁(yè)數(shù)： | 15/19頁(yè) |
| 文件大?。?/td> | 571K |
| 代理商： | ACS704ELC-015 |
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15
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
ACS704ELC015-DS, Rev. 2
ACS704ELC-015
Amp
Regulator
Clock/Logic
Hall Element
S
H
Low-Pass
Filter
Chopper Stabilization Technique
Chopper Stabilization is an innovative circuit technique that is used to minimize the offset voltage of a Hall
element and an associated on-chip amplifier. Allegro patented a Chopper Stabilization 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 undesired dc offset
signal from the magnetically induced signal in the frequency domain. Then, using a low-pass filter, the modu-
lated dc offset is suppressed while the magnetically induced signal passes through the filter. As a result of this
chopper stabilization approach, the output voltage from the Hall IC is desensitized to the effects of temperature
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.
Concept of Chopper Stabilization Technique
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ACS704ELC-015_06 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Fully Integrated, Hall Effect-Based Linear Current Sensor with Voltage Isolation and a Low-Resistance Current Conductor |
| ACS706ELC-05C | 功能描述:SENSOR CURRENT 5A 5V BI 8-SOIC RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 電流 系列:- 標(biāo)準(zhǔn)包裝:10 系列:* |
| ACS706ELC-20A | 制造商:Allegro MicroSystems 功能描述:Hall Effect Sensor 10mA Unipolar 5V 8-Pin SOIC N 制造商:Allegro MicroSystems 功能描述:20A CURRENT SENSOR SMD SOIC8 706 |
| ACS709 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:High Bandwidth, Fast Fault Response Current Sensor IC In Thermally Enhanced Package |
| ACS709_V | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:High Bandwidth, Fast Fault Response Current Sensor IC In Thermally Enhanced Package |
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