The MAX9982 is a fully integrated SiGe active mixer optimized for GSM850, GSM900, and CDMA850 base‑station receivers. It provides 2 dB of conversion gain, high linearity with an input IP3 greater than +26 dBm, and includes an on‑chip LO switch, LO driver, and integrated baluns for single‑ended RF and LO inputs.
The device operates over a 20‑pin QFN package (5 mm × 5 mm) and is specified for temperatures from –40 °C to +85 °C. Detailed electrical characteristics, absolute maximum ratings, and typical operating curves are provided for design and verification of RF front‑end circuits.
| RF Frequency Range | 825 MHz to 915 MHz |
|---|---|
| LO Frequency Range | 725 MHz to 1085 MHz |
| Input IP3 | > +26 dBm |
| Conversion Gain | 2 dB |
| Noise Figure | 12 dB |
| Supply Voltage (VCC) | 4.75 V to 5.25 V |
| Supply Current (ICC) | 138 mA to 193 mA |
| Operating Temperature Range | –40 °C to +85 °C |
| LO Drive Level | -5 dBm to +5 dBm |
The MAX9982 operates from 825 MHz to 915 MHz.
The LO drive level can be set between -5 dBm and +5 dBm.
The device provides a conversion gain of 2 dB.
The input IP3 is greater than +26 dBm.