Datasheet > EVAL-AD5821AEBZ

EVAL-AD5821AEBZ

更新时间： 2024-11-30 06:58:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	433K
描述
120 mA, Current Sinking, 10-Bit, I2C DAC

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EVAL-AD5821AEBZ 数据手册

120 mA, Current Sinking,

10-Bit, I²C DAC

AD5821A

Industrial

FEATURES

Heater controls

Fan controls

Current sink: 120 mA

Available in 3 × 3 array WLCSP package

2-wire, (I²C-compatible) 1.8 V serial interface

10-bit resolution

Integrated current sense resistor

Power supply range: 2.7 V to 5.5 V

Guaranteed monotonic over all codes

Power down to 0.5 μA typical

Internal reference

Cooler (Peltier) controls

Solenoid controls

Valve controls

Linear actuator controls

Light controls

Current loop controls

GENERAL DESCRIPTION

Ultralow noise preamplifier

Power-down function

Power-on reset

The AD5821A is a single, 10-bit digital-to-analog converter

(DAC) with output current sinking capability of 120 mA. 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.

APPLICATIONS

Consumer

Lens autofocus

Image stabilization

Optical zoom

Shutters

Iris/exposure

Neutral density (ND) filters

Lens covers

The AD5821A incorporates a power-on reset circuit that

ensures 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 AD5821A is designed for autofocus, image stabilization,

and optical zoom applications in camera phones, digital still

cameras, and camcorders.

Camera phones

Digital still cameras

Camera modules

Digital video cameras/camcorders

Camera-enabled devices

Security cameras

Web/PC cameras

The AD5821A is also suitable for many industrial applications,

such as controlling temperature, light, and movement without

derating over temperatures ranging from −30°C to +85°C.

The I²C 7-bit address for the AD5821A is 0xC.

FUNCTIONAL BLOCK DIAGRAM

XSHUTDOWN

DGND

REFERENCE

POWER-ON

RESET

SDA

SCL

10-BIT

I C SERIAL

INTERFACE

SINK

CURRENT

OUTPUT DAC

SENSE

3.3Ω

AD5821A

DGND

AGND

Figure 1.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与EVAL-AD5821AEBZ相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD5821EBZ1	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
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EVAL-AD5932EB	ADI	获取价格	Programmable Frequency Scan Waveform Generator
EVALAD5933EB	ADI	获取价格	Evaluation Board for the 1 MSPS 12-Bit Impedance Converter Network Analyzer
EVAL-AD5933EB	ADI	获取价格	1 MSPS, 12-Bit Impedance Converter, Network Analyzer
EVAL-AD5933EBZ	ADI	获取价格	Evaluation Board for the 1 MSPS 12-Bit Impedance Converter Network Analyzer
EVAL-AD5934EB	ADI	获取价格	250 kSPS, 12-Bit Impedance Converter, Network Analyzer
EVAL-AD5940BIOZ	ADI	获取价格	High Precision, Impedance, and Electrochemical Front End
EVAL-AD5940ELCZ	ADI	获取价格	High Precision, Impedance, and Electrochemical Front End
EVAL-AD608EBZ	ADI	获取价格	Low Power Mixer/Limiter/RSSI 3 V Receiver IF Subsystem

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