The LTC2620IUFD from Linear Technology is a highly integrated digital-to-analog converter (DAC) solution, offering eight independent DAC channels in a single compact package. This precision device features 12-bit resolution, enabling fine control over the output voltage range. It is designed to meet the needs of advanced applications where space is at a premium and multiple DACs are required.

Key Features

• Integrated Precision Reference: The LTC2620IUFD comes with an onboard, high-accuracy reference voltage, which simplifies the design process by eliminating the need for an external reference in many applications.
• Rail-to-Rail Output: Each of the eight DACs can generate output voltages that swing from 0V to the reference voltage, providing maximum dynamic range.
• 12-Bit Resolution: With 12-bit resolution, this DAC offers fine granularity, allowing for precise control over the output.
• SoftSpan™ Technology: The SoftSpan feature allows each DAC to independently select one of four output voltage ranges, providing flexibility for various applications.
• Low Power Operation: Designed for power-sensitive applications, the LTC2620IUFD operates with a low supply current and has a power-down feature that reduces current consumption to 15μA per channel.
• Serial Interface: The device uses a 3-wire SPI-compatible serial interface, making it easy to connect to a wide range of microcontrollers and digital systems.

Applications

The LTC2620IUFD is well-suited for a variety of applications that require multiple high-precision analog outputs. These include:

• Automatic Tuning and Calibration Systems
• Programmable Voltage and Current Sources
• Industrial Process Control
• Data Acquisition Systems
• Digital Gain and Offset Adjustment

Package and Quality

Encased in a 20-lead QFN (4mm × 5mm) package, the LTC2620IUFD offers a space-saving solution without compromising on performance. It is specified over the industrial temperature range of -40°C to 85°C, ensuring reliable operation in harsh environments. Linear Technology's commitment to high-quality manufacturing ensures that the LTC2620IUFD will perform to specifications in a wide range of applications.