Datasheet > EUM6820

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

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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.

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

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

Camera phones

Digital still cameras

Web/PC cameras

Digital video cameras/camcorders

Lens autofocus

The I²C address for the EUM6820 is 0 18.

Lens covers

Optical zoom

Image stabilization

Shutters

Neutral density filters

Application Circuit

Figure 1. Application Circuit

DS6820 Ver0.1 June 2009

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