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Part No.	MAX2172
Manufacturer	MAXIM
Size	207 Kbytes
Pages	3 pages
Description	Direct-Conversion to Low-IF Tuner for Digital Audio Broadcast

Datasheet Summary with AI

· ACPR (N±1): +45dBc
· VHF-III Noise Figure: 2.9dB (includes on-chip tracking filter)
· L-Band Noise Figure: 3.1dB
· VHF-III Sensitivity: -101dBm
· L-Band Sensitivity: -101dBm
· FM (S+N)/N: 26dB at -111dBm

## Applications

· Fixed and Mobile Digital Audio Broadcast (DAB, DAB+) with FM.
· Terrestrial Digital Multimedia Broadcast (TDMB) with FM.

# MAX2172 - Direct-Conversion to Low-IF Tuner

## Overview

Description
· Direct-conversion tuner for DAB and TDMB applications.
· Input frequency range: 168-240MHz (VHF-III), 1452-1492MHz (L-band), 87-108MHz (FM).
· Eliminates the need for an IF-SAW filter.
· Provides a balanced 2.048MHz baseband output.
· Includes a buffered reference clock and a sigma-delta fractional-N synthesizer.
· Package: 40-pin thin QFN (6mm x 6mm) with exposed pad.
· Operating temperature: -40°C to +85°C.

Key Features
· Supply Voltage: +2.7V to +3.5V
· Integrated FM/VHF-III and Low-IF bandpass filters.
· Sigma-Delta Fractional-N Synthesizer for optimized phase noise.

## Performance

· ACPR (N±1): +45dBc
· VHF-III Noise Figure: 2.9dB (includes on-chip tracking filter)
· L-Band Noise Figure: 3.1dB
· VHF-III Sensitivity: -101dBm
· L-Band Sensitivity: -101dBm
· FM (S+N)/N: 26dB at -111dBm

## Applications

· Fixed and Mobile Digital Audio Broadcast (DAB, DAB+) with FM.
· Terrestrial Digital Multimedia Broadcast (TDMB) with FM.