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EUM6820

更新时间: 2024-10-28 06:58:07
品牌 Logo 应用领域
德信 - EUTECH 驱动器
页数 文件大小 规格书
1页 120K
描述
100mA Current Sink VCM Driver with I2C Interface

EUM6820 数据手册

  
EUM6820  
100mA Current Sink VCM Driver  
with I2C Interface  
DESCRIPTION  
FEATURES  
The EUM6820 is a single 10-bit DAC with 100mA  
output current sink capability. It features an internal  
reference, I2C interface, 10 bits DAC and current sense  
resistor. The DAC is controlled via a 2-wire (I2C  
compatible) serial interface that operates at clock rates  
up to 400kHz. The EUM6820 can operates from 2.3V  
to 5.5V.  
The EUM6820 incorporates a power-on reset circuit,  
which ensures that DAC output powers up to 0V and  
remains there until a valid write takes place. It has a  
power-down feature that reduces the current  
consumption of the device to 1µA maximum.  
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100mA current sink  
2-wire (I2C-compatible) 1.8V serial interface  
10-bit resolution DAC  
2.3V to 5.5V power supply  
Guaranteed monotonic over all codes  
Power-down to 0.5µA typical  
Internal reference  
Current sense resistor integrated  
Power-down function  
Power-on reset  
Available in 1.0mm 1.5mm WCSP-6 package  
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RoHS compliant and 100% lead (Pb)-free  
The EUM6820 principally designed for linear control  
of voice coil motors, targeting at autofocus, image  
stabilization, and optical zoom applications in camera  
phones , digital still cameras, and camcorders. While it  
may also used in many industrial applications, such as  
controlling temperature, light, and movement.  
APPLICATIONS  
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Camera phones  
Digital still cameras  
Web/PC cameras  
Digital video cameras/camcorders  
Lens autofocus  
The I2C address for the EUM6820 is 0 18.  
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Lens covers  
Optical zoom  
Image stabilization  
Shutters  
Neutral density filters  
Application Circuit  
Figure 1. Application Circuit  
DS6820 Ver0.1 June 2009  
1

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