The document describes the features of Analog Devices' low-IF tuner IC ITD3020 Rev.2.5 for dual-band DAB and FM receivers. It is a single-chip integrated tuner that eliminates all surface acoustic wave (SAW) filters and covers the entire Band-III (174 ~ 245 MHz), L-band (1450 ~ 1592 MHz), and FM (88 ~ 108 MHz). It has an operating dynamic range of -102 ~ -10 dBm, ultra-low power consumption, on-chip regulators, adjustable bandwidth low-pass filter, integrated IF variable gain amplifier for direct connection to digital demodulators, and other features. It is ideal for mobile DAB receivers and FM applications.
The ITD3020 is a highly integrated CMOS low‑IF single‑conversion tuner IC that supports dual‑band DAB (Digital Audio Broadcasting) and FM. It covers Band III (174‑245 MHz), L‑band (1450‑1592 MHz) and FM (88‑108 MHz) and includes on‑chip LNAs, RF PGAs, mixers, a low‑pass filter, an IF variable‑gain amplifier, a VCO and a fractional‑N PLL.
The device operates from a single 2.85 V supply, consumes as little as 100 mW in Band III (160 mW in L‑band), and is offered in a compact 40‑QFN 6 × 6 mm package with a PC serial bus interface, making it ideal for mobile phones, PDAs and other portable DAB/FM receivers.
| Operating dynamic range | -102 to -10 dBm |
|---|---|
| Supply voltage | 2.85 V single supply |
| Package | 40‑QFN 6 × 6 mm |
| Interface | PC serial bus |
It operates from a single 2.85 V supply using on‑chip regulators.
The device is available in a 40‑QFN package measuring 6 × 6 mm.