TDA18214AHN/C2/S1557 - Silicon Tuner DVB-T HVQFN-40 | NXP
MPN: TDA18214AHN/C2/S1557 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.15 | $1.15 |
| 10 | $1.09 | $10.90 |
| 100 | $0.98 | $98.00 |
| 500 | $0.89 | $445.00 |
| 1,000 | $0.82 | $820.00 |
TDA18214AHN/C2/S1557 Overview
A silicon tuner is a single-chip RF receiver that replaces the traditional multi-component can tuner in television and set-top-box designs. It integrates the RF front-end functions - low-noise amplifier, mixer, frequency synthesizer, and IF signal processing - into one semiconductor device, sitting within the RF receiver hierarchy of tuner, demodulator, and decoder. Silicon tuners dramatically reduce BOM size and cost while improving consistency across production units.
Key features of the TDA18214 family include support for all major digital TV standards (including DVB-T/DVB-C per the TDA18214 product documentation), a Low IF architecture optimized for digital demodulators, and integrated frequency synthesis controlled over a standard I2C serial interface. The single-chip integration eliminates IF SAW filtering complexity in many receiver designs and enables compact tuner modules.
Technically, the device delivers the LIF signal required by COFDM and QAM demodulators, and its architecture is designed for high reception performance in terrestrial and cable environments. The /C2 suffix denotes the temperature/product flow grade, and S1557 is the ordering-code delivery form; the base silicon is identical to the TDA18214AHN/C1,557.
Typical applications include digital terrestrial TV set-top boxes, cable receivers, integrated digital TV (iDTV) tuners, TV tuner modules and dongles, and PC TV reception cards. The 6x6 mm HVQFN-40 footprint suits compact module designs.
Design consideration: silicon tuner performance is highly sensitive to PCB layout - keep the RF input path short with controlled impedance and place ground vias generously around the exposed pad. Follow the NXP reference design for the exact application circuit and I2C register configuration.
This page adds distributor pricing, drop-in variant comparison, and design notes not found in the manufacturer datasheet.
Drop-in alternatives for TDA18214AHN/C2/S1557 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TDA18214AHN/C1,557
✅ Drop-In📋 Reference alternative (not in catalog)
TDA18214HN
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
TDA18214AHN/C2/S1557 Specifications
| Product Type | Silicon tuner IC |
| Application | Digital terrestrial and digital cable TV reception |
| Supported Standards | All digital TV standards (DVB-T/DVB-C etc.), delivers Low IF (LIF) signal |
| Frequency Range | Up to 1.002 GHz |
| Output Signal | Low IF (LIF) to demodulator |
| Control Interface | I2C |
| Package | HVQFN-40 (6x6 mm) with exposed pad |
| Pin Count | 40 |
| Mounting Type | Surface Mount |
| Packaging | Tray (S1557 delivery form) |
| Category (per JLCPCB) | Video Interface ICs / Tuner IC |
TDA18214AHN/C2/S1557 hvqfn-40 (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for TDA18214AHN/C2/S1557 (hvqfn-40 (6x6 mm) with exposed pad package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for TDA18214AHN/C2/S1557.
Refer to the datasheet for full pin configuration.
Typical Applications
TDA18214AHN/C2/S1557 is suitable for 6 applications: Digital Terrestrial TV Set-Top Boxes, Digital Cable TV Receivers, Integrated Digital TV (iDTV) Tuners, USB TV Tuner Dongles, PC TV Tuner Cards, TV Tuner Modules and SiP Submodules.
Digital Terrestrial TV Set-Top Boxes
The TDA18214AHN/C2/S1557 fits DVB-T set-top box front-ends because it is purpose-built for digital terrestrial reception and delivers a Low IF (LIF) output that connects directly to COFDM demodulators. Its RF input coverage up to approximately 1.002 GHz spans the full UHF terrestrial band including VHF. In a typical design, the antenna signal passes through an RF matching network into the tuner's LNA, and the I2C-controlled synthesizer tunes the requested multiplex. The single-chip integration replaces a shielded can tuner with discrete VCO and SAW filters, cutting BOM cost and module height. Reception performance benefits from the part's integrated gain control, which compensates for varying signal levels across terrestrial channel plans.
Recommended
Digital Cable TV Receivers
For DVB-C cable receivers, the TDA18214AHN/C2/S1557 provides QAM-ready reception because NXP documents the TDA18214 family as supporting both digital terrestrial and digital cable TV standards on the same silicon. Cable channel plans extend up to roughly 862 MHz (within the part's ~1.002 GHz range), and the tuner's Low IF output feeds standard QAM demodulators. The I2C interface allows the host to retune channels and adjust gain for the wide dynamic range typical of cable networks. Compared with a can tuner, the 6x6 mm HVQFN-40 footprint enables compact multi-tuner DVR designs, and the tray-delivered S1557 ordering form suits manual placement or low-volume cable box production where reel packaging is not needed.
Recommended
Integrated Digital TV (iDTV) Tuners
Television sets with built-in digital tuners use the TDA18214AHN/C2/S1557 as the RF front end feeding the TV chipset's demodulator. The part's support for all digital TV standards lets one hardware design serve multiple regional markets (DVB-T, DVB-C and related standards) with firmware-only changes - a major advantage for TV manufacturers shipping globally. The Low IF architecture is compatible with mainstream demodulator IF requirements, and the I2C bus integrates cleanly with the TV SoC. Thermal performance of the 6x6 mm exposed-pad package suits the constrained tuner-box environment inside a television chassis, provided the PCB follows the NXP reference layout with solid ground under the exposed pad.
Recommended
USB TV Tuner Dongles
Compact USB TV sticks benefit from the TDA18214AHN/C2/S1557's high integration: one 6x6 mm QFN replaces the tuner can, saving roughly 80 percent of front-end board area, which is critical in a dongle form factor. The tuner's LIF output pairs with compact COFDM demodulators that sit alongside it on a two-chip RF card, with I2C control routed from the USB bridge chip. Power is drawn from the 5 V USB rail and locally regulated; the tuner's supply current should be taken from the NXP datasheet for battery-powered laptop budgeting. Good RF grounding through the exposed pad and short 50-ohm antenna traces preserve sensitivity in the electrically noisy USB dongle environment.
Recommended
PC TV Tuner Cards
PCIe and PCI TV tuner cards for desktop PCs use the TDA18214AHN/C2/S1557 in dual-tuner DVR configurations. The tray-based S1557 delivery suits the mixed-volume production of PC add-in cards, while the part's Low IF output supports simultaneous recording of terrestrial and cable channels when paired with dual demodulators. The I2C control chain is shared across tuners with separate I2C addresses, simplifying driver design. Because PC chassis contain switching noise sources (GPU, PSU), layout discipline matters: the NXP reference design's grounding scheme, RF shield cans over the tuner section, and 50-ohm antenna routing preserve the receiver's noise figure. The ~1.002 GHz coverage covers analog-legacy and digital bands alike.
Recommended
TV Tuner Modules and SiP Submodules
Module makers building shielded silicon-tuner submodules for set-top box and TV OEMs integrate the TDA18214AHN/C2/S1557 as the core RF die on a small four-layer RF substrate. The tuner's integrated LNA, mixer, and synthesizer mean the module only adds matching, power filtering, and an I2C/IF connector interface, achieving a standardized module footprint that multiple OEM boards can reuse. The HVQFN-40 exposed pad bonds to the module ground for thermal and RF integrity, and the ~1.002 GHz input range plus all-standards support lets one module SKU serve terrestrial and cable products. The tray delivery (S1557) supports the manual die/IC placement typical of submodule assembly lines.
Recommended
Recommended Products Summary
Engineering reference data for TDA18214AHN/C2/S1557 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TDA18214AHN/C1,557 | TDA18214HN |
|---|---|---|---|
| Package | HVQFN-40 (6x6 mm) EP | HVQFN-40 (6x6 mm) EP - same | HVQFN-40 (6x6 mm) EP - same family |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Output Signal | Low IF (LIF) | Low IF (LIF) | Low IF (LIF) per family description |
| Control Interface | I2C | I2C | I2C (per family) |
| Supported Standards | All digital TV standards (DVB-T/DVB-C) | All digital TV standards (DVB-T/DVB-C) | All digital TV standards (per NXP) |
Key Differentiators
- Tray delivery for flexible assembly (vs TDA18214AHN/C1,557)
- High integration single-chip tuner (vs TDA18214HN)
- All-standards coverage on one silicon (vs TDA18214AHN/C1,557)
Design Notes
The HVQFN-40 exposed pad is the tuner's main RF and thermal ground. Connect it to a continuous ground plane through an array of at least 9 to 16 vias directly under the pad. Follow the NXP TDA18214 reference design layout: keep the 50-ohm RF input trace short and controlled-impedance, place RF input matching components close to the pin, and separate the RF section from the I2C and power routing. Incomplete exposed-pad soldering is the most common cause of poor sensitivity and degraded phase noise in production tuner boards.
Silicon tuners are sensitive to supply noise because the integrated VCO and synthesizer convert supply ripple into phase noise on the tuned carrier. Decouple each supply pin with 100 nF ceramic capacitors placed within 2 mm of the pin, plus bulk 10 uF per rail. Isolate the tuner supply from shared digital rails using an LC or ferrite filter. Exact supply voltage and current values must be taken from the NXP TDA18214 datasheet - do not design the power budget from third-party summaries.
The /C2/S1557 suffix defines grade and delivery form, not different silicon - buyers frequently order the wrong suffix and discover a tray versus reel mismatch at the assembly line. Confirm the required grade code and packaging with NXP ordering-code documentation before purchase. Also confirm I2C address conflicts when multiple tuners share one bus, and verify that your demodulator's IF frequency setting matches the tuner register configuration from the NXP driver reference code.
Compliance Information
Compliance status not stated in the provided source data. Verify via NXP product page or the LCSC part C3824105 compliance documents.
