Infineon Technologies TUA 6034V

Overview

TUA 6034V from Infineon Technologies is a 3-band digital TV and set-top-box tuner IC integrating a mixer-oscillator block with a digitally programmable PLL, supporting PAL, NTSC, DVB-T, DVB-C, ISDB-T, and ATSC standards. It features low-phase-noise VCOs, wideband AGC with five programmable take-over points, symmetrical IF preamplifier (500 Ω // 40 pF load), and I²C-compatible control up to 400 kHz. Designed for terrestrial digital TV reception, it operates across LOW (40–150 MHz), MID (150–455 MHz), and HIGH (450–865 MHz) RF bands.

For engineers reviewing the TUA 6034V datasheet, TUA 6034V pinout, TUA 6034V application, or TUA 6034V equivalent, this page delivers verified functional identity, band-switching architecture, AGC timing configuration, IF output drive capability, and VQFN-48 thermal and routing constraints - all critical for tuner front-end design and regulatory-compliant digital broadcast integration.

Technical Context

The TUA 6034V implements three independent mixer-oscillator paths-high-impedance common-emitter for LOW band and low-impedance common-base topologies for MID and HIGH bands-with dedicated oscillator configurations (2-pin for LOW/MID, 4-pin for HIGH). Its PLL includes six programmable reference divider ratios (24, 28, 32, 64, 80, 128) and four charge pump current settings, enabling precise channel tuning across global broadcast standards.

The integrated AGC detector supports two programmable time constants and five user-defined take-over thresholds, decoupling tuner gain control from downstream video-IF stages. The symmetrical IF preamplifier delivers low output impedance optimized for direct connection to compensated SAW filters, while the I²C interface supports dual-voltage microcontrollers (3.3 V/5 V) and four independent device addresses for multi-tuner systems.

Key Specifications

Pinout & Package

Package: PG-VQFN-48 (7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad). Pin count confirmed as 48 terminals with dedicated GND connections per band section and shared I²C/AGC/PLL control lines.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar triple-band tuner IC applications.

Compared with MAX2160ETJ+ and SI2151-A10, the TUA 6034V uniquely integrates band-specific analog mixer topologies, five-point AGC programming, and VQFN-48 thermal management - making it the only solution supporting full DVB-T/ISDB-T/ATSC coexistence in a single analog IF architecture without external band switches or LNAs.

Availability

TUA 6034V is available at Aetrix Electronics and suitable for DVB-T terrestrial receivers, ISDB-T portable TVs, ATSC set-top boxes, and hybrid PAL/NTSC-DVB broadcast decoders requiring stable component supply across extended product lifecycles.

Supply support for TUA 6034V includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive ICs, and RF solutions, with R&D centers in Neubiberg and global manufacturing facilities.

The TAIFUN product line was engineered specifically for digital broadcast tuner applications, emphasizing multi-standard compatibility, analog signal integrity, and thermal robustness in consumer-grade surface-mount packages.

FAQ

What is the maximum RF input frequency supported by the TUA 6034V?

The TUA 6034V supports RF input frequencies up to 865 MHz in the HIGH band (450–865 MHz), validated per its VQFN-48 package layout and common-base mixer design. This covers the full UHF spectrum used in DVB-T (470–862 MHz), ISDB-T (470–770 MHz), and ATSC (470–806 MHz) deployments without external preselection filters.

Does the TUA 6034V require external loop filter components for PLL stability?

Yes - the TUA 6034V's PLL requires an external passive loop filter (typically R-C-R network) between the charge pump output and VCO tuning input. The datasheet specifies standard values for 2nd-order type-II filters; component selection directly impacts lock time (<10 ms typical) and phase margin (>60°).

Can the TUA 6034V operate with a 1.8 V I²C controller?

No - the TUA 6034V's I²C interface is specified for 3.3 V and 5 V logic levels only. Driving SCL/SDA with 1.8 V violates the minimum high-level input threshold (2.0 V) and risks communication failure; level-shifting circuitry is required for 1.8 V microcontrollers.

How is thermal performance managed in the VQFN-48 package?

The PG-VQFN-48 package incorporates an exposed thermal pad soldered to a dedicated PCB copper pour, with eight thermal GND vias recommended beneath the pad. Measured junction-to-board thermal resistance is 35 °C/W, enabling continuous operation at 85 °C ambient when PCB layout follows Infineon's AN2006-01 thermal guidelines.