ML5805 is a 5.8GHz variable data rate FSK transceiver with integrated PA, for 5.725GHz to 5.850GHz unlicensed ISM band
The ML5805 is a single‑chip, fully integrated FSK transceiver designed for the 5.725‑5.850 GHz ISM band. It supports digital cordless phone standards (DSSS, DECT) and high‑rate wireless audio/video streaming, offering selectable data rates from 576 kbps up to 2.048 Mbps.
Key features include a low‑IF receiver with on‑chip filtering, a fractional‑N synthesizer, integrated power amplifier delivering up to +21 dBm, a three‑wire serial control interface, and a 40‑pin QFN package (6 mm × 6 mm). The datasheet provides absolute maximum ratings, pin descriptions, electrical specifications and mechanical drawings.
| Frequency range (RX/TX) | 5.725 – 5.850 GHz |
|---|---|
| Typical output power | +21 dBm |
| Receiver sensitivity (1.536 Mbps) | -97 dBm (0.1% BER) |
| Supply voltage range | 2.8 V – 3.6 V |
| Package | 40‑pin QFN, 6 mm × 6 mm |
| Standby supply current | 2 pA |
| Input impedance (differential) | 100 Ω |
| RSSI output sensitivity | 35 mV/dB |
It is used in digital cordless telephones (DSSS and DECT) and wireless streaming audio applications.
The transmitter provides a typical output power of +21 dBm.
The device operates from 2.8 V up to 3.6 V.
The ML5805 is offered in a 40‑pin QFN package.