si2156 Silicon Laboratories, si2156 Datasheet
si2156
Manufacturer Part Number
si2156
Description
Worldwide High-performance Tv Tuner Ic For Analog And Digital Standards
Manufacturer
Silicon Laboratories
Datasheet
1.SI2156.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
si2156-B30-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Description
The Si2156 integrates a complete hybrid TV tuner
supporting all worldwide terrestrial and cable TV
standards. Leveraging Silicon Labs’ field proven
digital low-IF architecture, the Si2156 maintains the
unmatched performance and design simplicity of the
Si2153 while further reducing footprint size and bill of
materials cost. No external LNAs, tracking filters,
wirewound inductors, or SAW filters are used.
Compared with competing silicon tuners and discrete
MOPLL-based tuners, the Si2156 delivers superior
picture quality and a higher number of received
stations in crowded and near/far real-world reception
conditions. The high linearity and low noise RF
front-end delivers superior blocking performance and
higher sensitivity in the presence of strong undesired
channels and interference.
The Si2156 integrates the complete signal path from
antenna input to IF outputs for both analog and digital
transmission standards. Compared to traditional
discrete MOPLL-based tuners, the Si2156 eliminates
hundreds of external components including external
LNAs, tracking filter varactors and inductors (unlike
competing silicon tuners), and SAW filters, resulting in
the simplest, lowest-cost BOM for a hybrid TV tuner.
I
DVB-T/C demodulator creates a complete terrestrial
and cable DVB-T/C receiver plus PAL/SECAM tuner.
Worldwide TV Tuner
nterfacing the Si2156 seamlessly with the Si2165
ANTENNA
INPUT
Balun
1.8 V
3.3 V
RF_IP
RF_IN
Si2156
AGC
LDO
RF
Worldwide High-Performance TV Tuner IC for Analog and Digital Standards
SYNTH
Copyright © 2011 by Silicon Laboratories
FREQ
0 / 90
PGA
PGA
XOSC
AGC
IF
Features
- Worldwide hybrid TV tuner
- Compliance to A/74, NorDig, D-Book, C-Book,
- Best-in-class real-world reception
- Highly integrated, lowest BOM
- No alignment, tuning or calibration required
- Digital low-IF architecture
- Flexible output interface
- 3.3 and 1.8 V power supplies
- Standard CMOS process technology
- 5 x 5 mm, 32-pin QFN package
- RoHS compliant
Applications
- Hybrid ½-NIM
- iDTV (Integrated Digital TV)
- Digital terrestrial and cable STB
- Hybrid PVR and DVD recorder
ADC
ADC
ARIB, EN55020, OpenCable™ specifications
Q
I
-
-
-
-
-
-
-
-
-
Analog TV: NTSC, PAL/SECAM
Digital TV: ATSC/QAM, DVB-T/T2/C, ISDB-T/C,
DTMB
42-1002 MHz frequency range
Exceeds discrete MOPLL-based tuners
No SAW filters or wirewound inductors required
Integrated LNAs and complete tracking filters
Integrated channel select filters
ALIF to analog TV demodulator or SoC
DLIF to digital TV demodulator or SoC
DEMOD
FILTER
FILTER
LOW-IF
DSP
DSP
ATV
AGC
DLIF
AGC
ALIF
RSTB
INTB
SDA
SCL
ADDR
Si2156
DEMOD
DEMOD
DTV
ATV
SoC
AV
8.2.11
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si2156 Summary of contents
Page 1
... Worldwide High-Performance TV Tuner IC for Analog and Digital Standards Description The Si2156 integrates a complete hybrid TV tuner supporting all worldwide terrestrial and cable TV standards. Leveraging Silicon Labs’ field proven digital low-IF architecture, the Si2156 maintains the unmatched performance and design simplicity of the Si2153 while further reducing footprint size and bill of materials cost ...
Page 2
... DLIF Output Center Frequency DLIF Differential Output Voltage Swing ALIF Output Center Frequency Analog IF Spurious Distortion ALIF Differential Output Voltage Swing *Note: Measured at the F-connector input of the Si2156 reference design and includes all connector, PCB, and front-end circuit losses. Pin Assignments 24 23 ...