• 简体中文
• English

MAX3544：Multiband Digital Television Tuner

Achieves Highest Performance with Spur-Free, Easy Design-In Architecture Addressing Worldwide Digital Standards

The MAX3544 broadband single-conversion television tuner is designed for use in digital (DVB-T, DVB-C, GB20600) television sets and terrestrial receivers. It receives all television bands from 47MHz to 862MHz and converts the selected channel to an industry-standard 36MHz IF. The MAX3544 includes a variable-gain low-noise input amplifier; an RF tracking filter; an image rejection mixer; a peak detector; an optional internal, self-contained RF gain-control loop (RFAGC); a VCO with fractional-N PLL; an IF bandpass filter; an IF variable-gain amplifier; and a crystal oscillator. The MAX3544 is available in a small, 6mm x 6mm, thin QFN package, and the application circuit fits in 20mm x 25mm on a two-layer board with single-sided component mounting.

Key Features Standard IF Architecture Ensures < -70dBc Spurs Integrated RF Tracking Filter Integrated IF Bandpass Filter Full-Band Coverage (47MHz to 862MHz) 70dB Image Rejection 4dB Noise Figure Fast-Locking, Low Phase-Noise PLL Supports 256QAM Crystal Oscillator and Buffer/Divider to Drive Baseband IC 745mW Power Dissipation

MAX3544: Block Diagram/Typical Application Circuit/Pin Configuration Applications/Uses ATSC DTMB/GB20600 DVB-C DVB-T/DVB-T2

DataSheet

Parametrics

Design kits & evaluation modules

• MAX3544EVKIT

Related Products

• MAX3543：Multiband Analog and Digital Television Tuner

Ordering Information