DS1669S-10+

Description

The DS1669S-10+ is a nonvolatile digital potentiometer from Analog Devices, offering 256 positions with nonvolatile storage for resistance values. It can be controlled via a simple 2-wire serial interface and operates on a single supply voltage from 2.7V to 5.5V, providing resistance values from 10kΩ to 50kΩ. The device features EEPROM memory for storing resistance values. This digital potentiometer is commonly used in various applications such as audio equipment for volume control, LCD monitors for brightness adjustment, industrial control systems for setting parameters, and instrumentation and test equipment for calibration and signal conditioning.

Features

According to the product information, the features of the DS1669S-10+ are:

• Digital potentiometer IC with 256 positions
• Nonvolatile storage for resistance values
• Controlled via a simple 2-wire serial interface
• Operates on a single supply voltage from 2.7V to 5.5V
• Provides resistance values from 10kΩ to 50kΩ
• Features EEPROM memory for storing resistance values

Package

The package type of the DS1669S-10+ is an 8-SOIC (0.209", 5.30mm Width).

Pinout

The DS1669S-10+ has an 8-pin SOIC package. The pin functions are:

• VCC: Positive supply voltage (2.7V to 5.5V)
• GND: Ground
• SDA: Serial data input/output
• SCL: Serial clock input
• WRP: Write protect input
• R/W: Read/Write control input
• CSB: Chip select bar input
• OUT: Digital potentiometer output

Note that the pinout is similar to other I2C devices, with SDA and SCL pins for serial communication.

Manufacturer

The manufacturer of the DS1669S-10+ is Analog Devices, but according to the product description, the actual manufacturer is Maxim Integrated.

Applications

The DS1669S-10+ digital potentiometer IC is commonly used in electronic devices requiring digital potentiometer functionality, such as audio equipment for volume control, LCD monitors for brightness adjustment, industrial control systems for setting parameters, instrumentation and test equipment for calibration and signal conditioning.

Equivalent

Alternatives to the DS1669S-10+ include:

• TI's Dallas Semiconductor DS1903/DS1904, a non-volatile digital potentiometer with similar features.
• Analog Devices' AD5301/AD5302, which offers 256 positions and nonvolatile storage.