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TDA18291HNC1

更新时间： 2024-01-25 03:02:34

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TDA18291HNC1 数据手册

TDA18291HN

Low power DVB / T tuner

Rev. 01 — 28 August 2007

Product short data sheet

1. General description

The TDA18291HN is a BiCMOS integrated circuit receiver intended for digital TV

reception for low power applications (e.g. mobile phone and PDA).

The tuner is designed for the terrestrial digital video broadcast (DVB-T standard) and

handheld DVB standard (DVB-H standard). It operates in the VHFIII and UHF band

(174 MHz to 230 MHz and 470 MHz to 862 MHz) and contains all the functions needed for

a whole receiver chain from (RF) input to baseband IQ outputs: LNA, quadrature mixer,

channel ﬁlters and a complete RF PLL with a fully integrated VCO. The PLL can operate

from a number of reference frequencies, ﬁtting almost any mobile platform.

The tuner has been designed for low power mobile applications. Power consumption has

been optimized and a dedicated on-off pin has been added to allow for fast switching, and

thus reduce power, in time-sliced applications. To reduce the footprint of the application,

the number of external components has been minimized and the tuner is available in a

HVQFN32 package (5 mm × 5 mm).

2. Features

I 150 mW power consumption in DVB-T mode

I 4 dB noise ﬁgure

I Direct conversion ZIF architecture

I 174 MHz to 230 MHz and 470 MHz to 862 MHz tuning range

I Low noise, wide dynamic receiver

I Fully integrated balanced LNA

I Fully integrated channel ﬁlters with built-in self-calibration

I Fully integrated fractional N frequency synthesizer

I Fully integrated VCO

I I²C-bus controllable

I Dedicated pin for DVB-H time slicing control

I 19.2 MHz, 26 MHz and 38.4 MHz reference frequency compliant

I HVQFN32 package (5 mm × 5 mm)

12 3 4 5 6

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