Maxim Integrated's MAX2173ETL/V+ RF to Bits Tuner

The MAX2173ETL/V+ from Maxim Integrated is a highly integrated RF to Bits® tuner that is designed for use in digital audio broadcast (DAB) systems, including DAB, DAB+, and T-DMB, as well as terrestrial digital multimedia broadcasting (T-DMB). It is an advanced solution for in-car entertainment systems, portable radios, and other radio-enabled devices, offering exceptional performance in a compact form factor.

This versatile tuner IC is capable of receiving signals in the frequency range of 168MHz to 240MHz (Band III) and 1452MHz to 1492MHz (L-Band), making it suitable for a broad range of applications. The MAX2173ETL/V+ employs a direct-conversion architecture that translates RF signals directly to baseband using a built-in analog-to-digital converter (ADC), which simplifies the design and reduces the bill of materials for system integrators.

The chip's integrated digital filtering and digital automatic gain control (AGC) contribute to its ability to deliver high-quality audio output even in challenging signal conditions. This level of integration not only helps in maintaining signal integrity but also in minimizing external component count, thereby saving space and cost in the overall design.

Additionally, the MAX2173ETL/V+ supports both single and diversity antenna inputs, enhancing reception performance and robustness in multipath environments. This feature is particularly useful in mobile applications where signal conditions can vary rapidly.

Engineered with power efficiency in mind, the MAX2173ETL/V+ also includes a low-power mode, making it an ideal choice for battery-operated devices. This power-saving capability ensures longer battery life without compromising on performance.

For designers and engineers looking for a high-performance, easy-to-integrate RF solution, the MAX2173ETL/V+ offers a compelling feature set. Its robustness, coupled with Maxim Integrated's reputation for quality, makes it a top choice for next-generation digital radio applications.

Key Features:

• Direct RF to Bits conversion
• Supports Band III and L-Band frequencies
• Integrated ADC and digital processing
• Dual antenna input for diversity reception
• Low-power consumption mode for battery efficiency
• Compact package suitable for space-constrained applications