AD5246 - 128 Position I2C Compatible Programmable Resistor in SC70 Package

AD5246是AD公司的一款数字电位计产品，AD5246是128 Position I2C Compatible Programmable Resistor in SC70 Package，本站介绍了AD5246的封装应用图解、特点和优点、功能等，并给出了与AD5246相关的AD元器件型号供参考。

AD5246 - 128 Position I2C Compatible Programmable Resistor in SC70 Package - 数字电位计 - 数模转换器 (DAC) - Analog Devices

产品描述

The AD5246 provides a compact 2 mm × 2.1 mm packaged solution for 128-position adjustment applications. This device performs the same electronic adjustment function as a variable resistor. Available in four different end-to-end resistance values (5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ), these low temperature coefficient devices are ideal for high accuracy and stability variable resistance adjustments.

The wiper settings are controllable through the I2C compatible digital interface, which can also be used to read back the present wiper register control word. The resistance between the wiper and either end point of the fixed resistor varies linearly with respect to the digital code transferred into the RDAC1 latch.

Operating from a 2.7 V to 5.5 V power supply and consuming 3 μA allows for usage in portable battery-operated applications.

APPLICATIONS

Mechanical potentiometer replacement in new designs

Transducer adjustment of pressure, temperature, position,chemical, and optical sensors

RF amplifier biasing

Automotive electronics adjustment

Gain control and offset adjustment

1The terms digital potentiometer, VR, and RDAC are used interchangeably in this document.

优势和特点

128 Position

End-to-End Resistance 5kΩ, 10kΩ , 50kΩ , 100kΩ

Ultra-Compact SC70-6 (2 mm x 2.1 mm) Package

I2C Compatible Interface

Full Read/Write of Wiper Register

Power-on Preset to Midscale

Single Supply +2.7 V to +5.5 V

Low Temperature Coefficient 45 ppm/°C

Low Power, IDD=3 μA typical

Wide Operating Temperature 40°C to +125°C

Evaluation Board Available

Available in lead-free (Pb-free) package

相关的评估套件共有1个

EVAL-AD5246 - AD5246 评估板：

这款针对AD5246的评估板含有SDP连接和软件，可通过SDP板控制AD5246。

该评估板需使用SDP控制器版以连接PC。SDP控制器板通过USB 2.0连接至PC。评估板将连接至SDP控制器板。评估板无法直接连接至PC。在PC上运行的评估软件通过SDP控制器板与评估板通信。

SDP控制器板在以下订购指南中单独列出(EVAL-SDP-CS1Z)。如果以前未购买过SDP控制器板，请购买该产品以确保获得完整的评估设置。

EVAL-AD5246 - 无：

无

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