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参数资料
| 型号： | EVAL-AD5821EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD5821 |
| 产品培训模块： | DAC Architectures |
| 标准包装： | 1 |
| DAC 的数量： | 1 |
| 位数： | 10 |
| 采样率（每秒）： | 400k |
| 数据接口： | I²C |
| 设置时间： | 250µs |
| DAC 型： | 电流 |
| 工作温度： | -30°C ~ 80°C |
| 已供物品： | 板，缆线，CD |
| 已用 IC / 零件： | AD5821 |
| 相关产品： | AD5821BCBZ-REEL7DKR-ND - IC DAC 10BIT CURRENTSINK 9WLCSP AD5821BCBZ-REEL7CT-ND - IC DAC 10BIT CURRENTSINK 9WLCSP AD5821BCBZ-REEL7TR-ND - IC DAC 10BIT CURRENTSINK 9WLCSP AD5821BCBZ-REEL-ND - IC DAC 10BIT CURRENTSINK 9WLCSP |
120 mA, Current Sinking,
10-Bit, I2C DAC
AD5821
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
FEATURES
120 mA current sink
Available in 3 × 3 array WLCSP package
2-wire (I2C-compatible) 1.8 V serial interface
10-bit resolution
Integrated current sense resistor
2.7 V to 5.5 V power supply
Guaranteed monotonic over all codes
Power-down to 0.5 μA typical
Internal reference
Ultralow noise preamplifier
Power-down function
Power-on reset
CONSUMER APPLICATIONS
Lens autofocus
Image stabilization
Optical zoom
Shutters
Iris/exposure
Neutral density (ND) filters
Lens covers
Camera phones
Digital still cameras
Camera modules
Digital video cameras/camcorders
Camera-enabled devices
Security cameras
Web/PC cameras
INDUSTRIAL APPLICATIONS
Heater controls
Fan controls
Cooler (Peltier) controls
Solenoid controls
Valve controls
Linear actuator controls
Light controls
Current loop controls
GENERAL DESCRIPTION
The AD5821 is a single 10-bit digital-to-analog converter with
120 mA output current sink capability. It features an internal
reference and operates from a single 2.7 V to 5.5 V supply.
The DAC is controlled via a 2-wire (I2C-compatible) serial
interface that operates at clock rates up to 400 kHz.
The AD5821 incorporates a power-on reset circuit that ensures
that the DAC output powers up to 0 V and remains there until
a valid write takes place. It has a power-down feature that reduces
the current consumption of the device to 1 μA maximum.
The AD5821 is designed for autofocus, image stabilization, and
optical zoom applications in camera phones, digital still cameras,
and camcorders.
The AD5821 also has many industrial applications, such as
controlling temperature, light, and movement, over the range of
40°C to +85°C without derating.
The I2C address for the AD5821 is 0x18.
FUNCTIONAL BLOCK DIAGRAM
RSENSE
3.3
R
AD5821
D1
10-BIT
CURRENT
OUTPUT DAC
05
95
0-
0
01
SDA
AGND
XSHUTDOWN
VDD
DGND
SCL
ISINK
DGND
VDD
I2C SERIAL
INTERFACE
REFERENCE
POWER-ON
RESET
Figure 1.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-AD5821EBZ1 | 制造商:AD 制造商全称:Analog Devices 功能描述:120 mA, Current Sinking, 10-Bit, I2C DAC |
| EVAL-AD5930EB | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD I.C. - Bulk |
| EVAL-AD5930EBZ | 功能描述:BOARD EVAL FOR AD5930 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:电信，线路接口单元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板，电源，线缆，CD 其它名称:82EBV2081 |
| EVAL-AD5932EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD - Bulk |
| EVAL-AD5932EBZ | 功能描述:BOARD EVAL FOR AD5932 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:电信，线路接口单元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板，电源，线缆，CD 其它名称:82EBV2081 |
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