NXP Semiconductors' 3rd generation, fully integrated silicon tuner TDA18252HN helps create high-performance, low-cost digital cable set-top box solutions for all markets, while still requiring analog loop-through capabilities for major markets like India and China.
The NXP TDA18252HN is a fully integrated silicon tuner designed for digital cable set‑top boxes, offering multi‑standard reception, low power consumption, and on‑chip analog loop‑through. It reduces system cost by eliminating external low‑noise amplifiers and SAW filters, meets SARFT requirements, and supports standards such as SCTE‑40, J‑QAM and NORDIG.
Key parameters include a noise figure of 7 dB, power dissipation of 800 mW, image rejection of 60 dBc, and frequency coverage up to 1002 MHz. The device operates from a single 3.3 V supply and provides an integrated temperature sensor and signal strength indicator, making it suitable for compact, low‑cost front‑end designs.
| Noise figure | 7 dB |
|---|---|
| Power dissipation | 800 mW |
| Image rejection | 60 dBc |
| Frequency coverage | up to 1002 MHz |
| Low power consumption | < 800 mW |
| Input signal strength indicator | Yes |
| Die temperature sensor | Yes |
| Supply voltage | 3.3 V |
The TDA18252HN dissipates 800 mW of power.
It supports SCTE‑40, J‑QAM, NORDIG and other world standards.
Key benefits include lower system cost by removing external amplifiers and SAW filters, reduced component count, compliance with SARFT, and support for single‑tuner receiver boxes and DVR configurations.