LNA features separate AM and FM signal paths

Sunnyvale, Calif.—Maxim Integrated Products is offering a low-noise amplifier (LNA) with integrated automatic gain control (AGC) for automotive antenna applications.

Fabricated using Maxim's advanced CMOS process, the LNA accepts separate AM and FM signal paths and delivers 30dB of gain range to each.

The MAX2180 is designed to operate from 148kHz to 162.5MHz. A self-controlled AGC loop includes on-chip power detectors to ensure that the signal level within each channel is continually optimized to negate the effects of antenna mobility. This design eliminates the need for external PIN diodes and associated driver circuits.

A voltage regulator and pass transistor provide a stable supply over a wide 8V to 24V voltage range. The MAX2180 also provides on-chip thermal protection that automatically limits junction temperatures during extreme thermal conditions.

Available in a small (4mm x 4mm) TQFN package, the device is fully specified over the -40 degrees Celsius to +85 degrees Celsius extended temperature range.

Pricing: Starts at $2.57 (1000-up, FOB USA).

Availability: Samples are available upon request.

Datasheet

Maxim Integrated Products