TRF3040 Manuals

Texas Instruments TRF3040 Modulator/Synthesizer Datasheet

The TRF3040 is an integrated transmit modulator/synthesizer circuit suitable for 900‑MHz analog and digital cellular phones. It combines a TXIF synthesizer, single‑sideband suppressed‑carrier converter, direct‑conversion I/Q modulator, VGA with PA driver, main and auxiliary fractional‑N synthesizers, crystal reference and clock buffers, all in a 48‑pin LQFP package.

The device operates from a 3.6‑3.9 V supply, delivers up to 9 dBm output power, and includes programmable charge‑pump currents and VGA gain settings. Detailed electrical characteristics, pin assignments, absolute‑maximum ratings, and mechanical dimensions are provided for board‑level design.

Covers: Description · Functional block diagram · Terminal Functions · Absolute maximum ratings · Recommended operating conditions · Electrical characteristics