The MAX9994 is a high-linearity downconversion mixer from Texas Instruments that provides 8.3dB gain, +26.2dBm IIP3, and 9.7dB NF for 1400MHz to 2200MHz UMTS/WCDMA, DCS, and PCS base-station receiver applications.
The MAX9994 is a SiGe high‑linearity downconversion mixer covering 1400 MHz to 2200 MHz RF frequencies. It offers 8.3 dB conversion gain, +26.2 dBm IIP3, and a 9.7 dB noise figure, with a built‑in LO buffer, SPDT LO switch, and on‑chip baluns. The device operates from a 4.75 V to 5.25 V supply and draws up to 235 mA.
The mixer is supplied in a 20‑pin thin QFN‑EP package (5 mm × 5 mm) and is rated for –40 °C to +85 °C. Applications include UMTS/LTE base stations, CDMA, wireless broadband, and military systems. The datasheet includes absolute maximum ratings, DC/AC electrical characteristics, typical operating curves, and ordering information.
| Conversion Gain (typ) | 8.3 dB |
|---|---|
| Input IP3 (typ) | +26.2 dBm |
| Noise Figure (typ) | 9.7 dB |
| Supply Voltage | 4.75 V – 5.25 V |
| Supply Current (typ) | 235 mA |
| Package | 20‑pin thin QFN‑EP (5 mm × 5 mm) |
The typical conversion gain is 8.3 dB.
It is offered in a 20‑pin thin QFN‑EP package measuring 5 mm × 5 mm.
The device requires a supply voltage between 4.75 V and 5.25 V.