Description

The T2803 is an RF IC for low-power applications in the 2.45 GHz ISM band. The QFN48-packaged IC is a complete transceiver including image rejection mixer, IF amplifier, FM demodulator, baseband filter, RSSI, TX preamplifier, power-ramping generator for power amplifiers, integrated synthesizer, fully integrated VCO and Gaus sian data filter for TX. No mechanical tuning is necessary in production.

Features

• Supply-voltage Range 3V to 4.6V (Regulated)

• Auxiliary Voltage Regulator On-chip (3.2V to 4.6V)

• Low Current Consumption

• Few Low-cost External Components

• No Mechanical Tuning Required

• Supports Multiple Reference Clocks (10.368 MHz/13.824 MHz)

• Fast Settling Synthesizer (864 kHz Channel Spacing)

• TX Preamplifier with 3 dBm Output Power at 2.45 GHz (4 Programmable Power Levels)

• Ramp-signal Generator for Power Ramping and Power Control of External SiGe Power Amplifier (T7024 and T7026)