The MAX2660/MAX2661/MAX2663/MAX2671/MAX2673 miniature, low-cost, low-noise upconverter mixers are designed for low-voltage operation and are ideal for use in portable consumer equipment. Signals at the IF input port are mixed with signals at the local oscillator (LO) port using a double-balanced mixer. These upconverter mixers operate with IF input frequencies between 40MHz and 500MHz, and upconvert to output frequencies as high as 2.5GHz. These devices offer a wide range of supply currents and output intercept levels to optimize system performance. Supply current is essentially constant over the specified supply voltage range. Additionally, when the devices are in a typical configuration with VSHDN = 0, a shutdown mode reduces the supply current to less than 1µA. The MAX2660/MAX2661/MAX2663/MAX2671 are offered in the space-saving 6-pin SOT23 package. For applications requiring balanced IF ports, choose the MAX2673 in the 8-pin µMAX package.
The Maxim MAX2660, MAX2661, MAX2663, MAX2671 and MAX2673 are miniature, low‑cost, low‑noise upconverter mixers designed for low‑voltage operation in portable consumer equipment. They accept IF inputs from 40 MHz to 500 MHz and up‑convert to output frequencies as high as 2.5 GHz. The devices provide a wide range of supply currents and output intercept levels to optimize system performance, and feature a shutdown mode that reduces supply current to less than 1 µA.
These mixers are offered in space‑saving 6‑pin SOT‑23 packages (MAX2660/2661/2663/2671) and an 8‑pin µMAX package for the MAX2673, which is suited for applications requiring balanced IF ports. Detailed electrical characteristics, absolute maximum ratings, and typical operating curves are provided throughout the document.
| IF input frequency range | 40 MHz – 500 MHz |
|---|---|
| Output frequency range | up to 2.5 GHz |
| Shutdown supply current | < 1 µA |
| Output Intercept Point (OIP3) at 4.8 mA (MAX2660) | 5.9 dBm |
When VSHDN = 0, the shutdown mode reduces the supply current to less than 1 µA.
The MAX2673 in the 8‑pin µMAX package is recommended for balanced IF port applications.