SI2146-A10-GMR [SILICON]
Consumer IC;
| 型号： | SI2146-A10-GMR |
| 厂家： | 
SILICON |
| 描述： | Consumer IC |
| 文件： | 总2页 (文件大小：42K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Si2146
Worldwide Digital TV Tuner IC
Description
Features
- Worldwide digital TV tuner
The Si2146 integrates
a
complete TV tuner
- ATSC/QAM, DVB-T/T2/C, ISDB-T/C, DTMB
- 42-1002 MHz frequency range
- Compliance to A/74, NorDig, D-Book, C-Book,
ARIB, OpenCable™ specifications
- Best-in-class real-world reception
- Exceeds MOPLL-based tuners
- Highly integrated, lowest BOM
- No SAW filters or wirewound inductors required
- Integrated LNAs and complete tracking filters
- No alignment, tuning or calibration required
- Digital low-IF architecture
supporting all worldwide digital terrestrial and cable
TV standards. Leveraging Silicon Labs’ field proven
digital low-IF architecture, the Si2146 maintains the
unmatched performance and design simplicity of the
Si2143 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 Si2146 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.
- Integrated channel select filters
- Flexible output interface
- DLIF to digital TV demodulator or SoC
- 3.3 and 1.8 V power supplies
- Standard CMOS process technology
- 5 x 5 mm, 32-pin QFN package
- RoHS compliant
The Si2146 integrates the complete signal path from
antenna input to IF output. Compared to traditional
discrete MOPLL-based tuners, the Si2146 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 digital TV tuner.
Applications
- Digital ½-NIM and full-NIM
- iDTV (Integrated Digital TV)
- Digital terrestrial and cable STB
- Digital PVR and DVD recorder
Interfacing the Si2146 seamlessly with the Si2165
DVB-T/C demodulator creates a complete terrestrial
and cable DVB-T/C receiver.
AGC
Si2146
ANTENNA
INPUT
DSP
DTV
DEMOD
I
PGA
DLIF
ADC
RF_IP
RF_IN
Balun
Q
ADC
FILTER
PGA
IF
RSTB
INTB
RF
AGC
AV
SoC
0 / 90
LOW-IF
AGC
SDA
SCL
1.8 V
3.3 V
FREQ
SYNTH
LDO
XOSC
ADDR
Worldwide Digital TV Tuner IC
Copyright © 2011 by Silicon Laboratories
9.20.11
Si2146
Worldwide Digital TV Tuner IC
Selected Electrical Specifications
(VDD_H = 3.3 V, VDD_L = 1.8 V, VDD_D = 1.8 V, TA = 25 °C)
Parameter
Supply Voltage
Test Condition
Typ
1.8 and 3.3
0.94 | 0.83
42 to 1002
4.0
Unit
V
Total Power Consumption (TBD)
RF Input Frequency Range
Noise Figure*
VHF bands | UHF bands
W
MHz
dB
max gain
Wideband IIP3*
N±18,±36; max RF gain
N±1,±2; max RF gain
+18
dBm
dBm
Inband IIP3*
–7
LO Phase Noise at 860 MHz
125 Hz | 250 Hz | 1 kHz | 10 kHz | 100 kHz –83 | –91 | –96 | –95 | –104 dBc/Hz
LO Integrated Phase Noise
at 860 MHz
0.4
(–43)
deg. rms
(dBc)
DSB: 125 Hz to 4 MHz
Adjacent Channel Attenuation
N±1; RF input* to DLIF output
80
dB
DLIF Output Center Frequency
DLIF Differential Output Voltage Swing
channel BW = 6 MHz | 7 MHz | 8 MHz 4 to 7 | 4.5 to 6.5 | 5 to 6
programmable 0.5 to 2.0
MHz
Vppd
*Note: Measured at the F-connector input of the Si2146 reference design and includes all connector, PCB, and front-end
circuit losses.
Pin Assignments
5 x 5 mm QFN-32 Package
24 23 22 21 20 19 18 17
16 XOUT
GND 25
GND 26
15
14
BCLK
GND 27
VDD_L
13 DLIF_P
12 DLIF_N
11 NC
GPIO1 28
INTB/GPIO2 29
RSTB 30
GND_PAD
10 VDD_H
GND 31
9
VDD_IO 32
NC
1
2
3
4
5
6
7
8
Symbol
Min
Nom
0.85
Max
Unit
mm
mm
mm
A
D, E
e
0.80
0.90
5.00 BSC
0.50 BSC
Selection Guide
Part #
Description
Worldwide digital TV tuner IC for ATSC/QAM, DVB-T/T2/C, ISDB-T/C, DTMB
Si2146
Worldwide Digital TV Tuner IC
Copyright © 2011 by Silicon Laboratories
9.20.11
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders.
相关型号：
©2020 ICPDF网 联系我们和版权申明