UAA3545 is a radio receiver and transmitter chip produced by PHILIPS company. It mainly used for Digital Enhanced Cordless Telecommunication (DECT) applications. It features low power consumption, high integration, high sensitivity, low phase noise and low current consumption.
The Philips UAA3545 is a fully integrated BiCMOS DECT transceiver designed for cordless telephone applications. It combines a low‑phase‑noise VCO, PLL synthesizer, receiver, and a 3 dBm TX pre‑amplifier in a single LQFP32 package.
The device operates from a 3.2 V supply and is programmed via a simple three‑wire serial bus (S_DATA, S_CLK, S_EN). Detailed electrical specifications, pin descriptions, and operating modes are provided for designers integrating the IC into DECT baseband solutions.
| Supply voltage (VCC) | 3.2 V |
|---|---|
| RF output frequency | 1880 – 1930 MHz |
| Crystal reference frequencies | 3.456 MHz (also 6.912, 10.368, 13.824 MHz) |
| Phase comparator frequency | 864 kHz |
| Ambient temperature range | -10 °C to +60 °C |
The device is designed to operate from a 3.2 V nominal supply.