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参数资料
| 型号： | ASEK712ELC-20A-T-DK |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 11/15页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ASEK712ELC-20A |
| 设计资源： | ACS7xx Demo Brd BOM/Schematics |
| 标准包装： | 1 |
| 传感器类型： | 电流传感器 |
| 传感范围： | -20 A ~ 20 A |
| 灵敏度： | 100mV/A |
| 电源电压： | 4.5 V ~ 5.5 V |
| 嵌入式： | 否 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ASEK712ELC-20A |
| 其它名称： | 620-1429 |
ACS712
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor
Chopper Stabilization Technique
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 undesired DC offset signal
from the magnetically induced signal in the frequency domain.
Then, using a low-pass filter, the modulated DC offset is sup-
pressed 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.
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
11
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| ASEK716KLA-12CB-T-DK | 功能描述:ACS716 - Current Sensor Sensor Evaluation Board 制造商:allegro microsystems, llc 系列:- 零件状态:有效 传感器类型:电流传感器 感应范围:12.5A 接口:- 灵敏度:37.1mV/A 电压 - 电源:3 V ~ 3.6 V 嵌入式:- 所含物品:板 使用的 IC/零件:ACS716 标准包装:1 |
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