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SI2147 Datenblatt(PDF) 1 Page - Silicon Laboratories

Teilenummer SI2147
Bauteilbeschribung  Worldwide Digital TV Tuner
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Hersteller  SILABS [Silicon Laboratories]
Direct Link  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI2147 Datenblatt(HTML) 1 Page - Silicon Laboratories

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Digital TV Tuner
Copyright © 2012 by Silicon Laboratories
12.21.12
DSP
FILTER
ATV
DEMOD
I
ADC
Q
ADC
0 / 90
LOW-IF
FREQ
SYNTH
RF
AGC
LDO
IF
AGC
XOSC
PGA
PGA
Si2147
ANTENNA
INPUT
3.3 V
1.8 V
DSP
FILTER
AGC
DTV
DEMOD
AV
SoC
RSTB
ADDR
SCL
SDA
DLIF
Si2147
Worldwide Digital TV Tuner
Description
A universal digital TV tuner, the Si2147 supports
digital reception for all worldwide terrestrial and cable
TV standards. By combining Silicon Laboratories’
proven
digital
low-IF
architecture
with
a
5th-generation RF front-end, the Si2147 maintains
the highest performance that exceeds that of
MOPLL-based tuners, including industry-leading 2nd
order
distortion
performance.
Pin-
and
API-compatibility to the previous generation minimize
customers’ development effort.
The Si2147 delivers unprecedented integration with
no external balun, tracking filters, LNAs, SAW filters,
or inductive power supply filtering. While other
solutions may also eliminate the balun, they suffer
degradation
in
NF
and
2nd
order
distortion
compromising
reception.
Silicon
Laboratories’
proprietary and field-proven architecture delivers not
only an optimized BOM but also world-class system
performance. Options for single or dual supply and
internal power-on reset are included. A harmonic
rejection mixer delivers outstanding immunity to
Wi-Fi and LTE interference, replacing the need for
external filtering.
For advanced digital terrestrial TV reception, DVB-T2
and DVB-C2 constellations demand outstanding
phase noise specifications, and the Si2147 rises to
the challenge, delivering industry-leading integrated
phase noise. Additionally, a software-selectable
cable mode offers optimized return loss.
The Si2147 delivers exceptional picture quality and a
higher number of received stations when compared
to other solutions. Incorporating worldwide field
experience from four prior tuner generations in mass
production, the Si2147 delivers the highest tolerance
to real-world reception conditions.
Features
- Worldwide digital TV tuner
- ATSC/QAM, DVB-T2/T/C2/C, ISDB-T/C, DTMB
- Industry-leading margin to A/74, NorDig, D-Book,
C-Book, ARIB, EN55020, OpenCable™ specifications
- Lowest BOM for a silicon digital TV tuner
- No balun
- No SAW filters or wire-wound inductors
- Integrated LNAs and complete tracking filters
- Best-in-class real-world reception
- Exceeds discrete MOPLL-based tuners
- Industry-leading phase noise performance
- High immunity to Wi-Fi and LTE interference
- Low power consumption
- 3.3 V and 1.8 V power supplies
- Single-supply option for 3.3 V-only operation
- Integrated power-on reset circuit
- Low-IF output to SoC or demodulator
- Standard CMOS process technology
- 4x4 mm, 28-pin QFN package
- RoHS compliant
Applications
- Digital ½-NIM tuner module
- iDTV (Integrated Digital TV)
- Digital terrestrial and cable STB
- Digital PVR, DVD and Blu-Ray disc recorder
- PC-TV accessories


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