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PDF TDA18252HN Data sheet ( Hoja de datos )
| Número de pieza | TDA18252HN | |
| Descripción | Cable Silicon Tuner | |
| Fabricantes | NXP Semiconductors | |
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DataSheet.in
TDA18252HN
Cable Silicon Tuner
Rev. 3 — 16 August 2010
Product data sheet
1. General description
The TDA18252HN is a single-chip direct conversion Silicon Tuner IC designed for
digital-only cable applications.
The TDA18252HN integrates a loop-through feature that enables the RF input signal to be
used as an output for another downconverter. This feature simplifies the application and
reduces the Bill Of Materials (BOM).
• The TDA18252HN ensures a low system cost as:
– Costly components such as low-noise amplifiers, Surface Acoustic Wave (SAW)
filters and incremental crystal oscillators are eliminated from the system BOM
• The TDA18252HN high-performance Silicon Tuner meets today’s digital cable TV
reception needs with:
– Low power consumption
– High linearity
– Low noise figure
• The TDA18252HN ensures ease of use with:
– Easy on-board integration
– Efficient and effective PCB design
– Reduced external components
2. Features and benefits
Single 3.3 V power supply
Low power consumption
Extended frequency coverage of up to 1002 MHz
Digital cable reception for STB
RF loop-through
Fully integrated IF selectivity; eliminating the need for external SAW filters
Alignment free
Fully integrated oscillator with no external components
Integrated wideband gain control
Crystal oscillator output buffer (16 MHz) for single crystal applications
I2C-bus provides:
3.3 V and 5 V microcontroller compatibility
Received Signal Strength Indicator (RSSI) data access
Die temperature sensor data access
1 page  
DataSheet.in
NXP Semiconductors
TDA18252HN
Cable Silicon Tuner
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific NXP Semiconductors product is automotive qualified,
the product is not suitable for automotive use. It is neither qualified nor tested
in accordance with automotive testing or application requirements. NXP
Semiconductors accepts no liability for inclusion and/or use of
non-automotive qualified products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards, customer
(a) shall use the product without NXP Semiconductors’ warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
NXP Semiconductors’ specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies NXP Semiconductors for any
liability, damages or failed product claims resulting from customer design and
use of the product for automotive applications beyond NXP Semiconductors’
standard warranty and NXP Semiconductors’ product specifications.
9.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
I2C-bus — logo is a trademark of NXP B.V.
Silicon Tuner — is a trademark of NXP B.V.
10. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [email protected]
TDA18252HN_SDS
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 16 August 2010
© NXP B.V. 2010. All rights reserved.
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