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TDA18250BHN Datasheet Cable silicon tuner

Manufacturer: NXP Semiconductors

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General Description

The TDA18250B is a silicon tuner designed specifically for worldwide cable and terrestrial digital Set Top Boxes (STB).

• The TDA18250B ensures a low system cost by saving external components such as: – Low-Noise Amplifiers – Surface Acoustic Wave (SAW) filters – RF splitter Moreover, thanks to its 8 kV ESD capability, EIA/JESD22-A114 (HBM), on the RF input pin and the loop-through pin, the application level ESD protection can be reduced.

• The TDA18250B silicon tuner meets current and future digital cable and terrestrial TV reception with: – Low-power consumption – High linearity – Very low noise figure (3.8 dB typical) – High immunity to wireless interferers (WLAN, LTE and GSM) • The TDA18250B ensures ease of use with: – Easy on-board integration – Efficient and effective PCB design – Reduced external components 2.

Overview

TDA18250BHN Cable silicon tuner Rev.

2 — 10 July 2013 Product short data sheet 1.

Key Features

  • Single 3.3 V supply voltage.
  • RF frequency coverage up to 1 GHz.
  • Flexible low IF output from 3 MHz to 7.5 MHz to ease the matching with various demodulators.
  • RoHS compliant.
  • I2C-bus interface compatible with 3.3 V microcontrollers.
  • Strong Immunity to wireless interferers (WLAN, GSM, LTE).
  • Multi-reference clock frequency compliant:16 MHz, 24 MHz, 25 MHz, 27 MHz and 30 MHz.
  • Crystal oscillator output buffer to drive demodulator, SoC or slave tuner.
  • Slave.

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