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SI2110 参数 Datasheet PDF下载

SI2110图片预览
型号: SI2110
PDF下载: 下载PDF文件 查看货源
内容描述: 卫星接收机DVB -S / DSS与快速锁定和QUICKSCAN [SATELLITE RECEIVER FOR DVB-S/DSS WITH QUICKLOCK AND QUICKSCAN]
分类和应用: 接收机
文件页数/大小: 94 页 / 1247 K
品牌: SILABS [ SILICON LABORATORIES ]
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S i 2 1 0 7 / 0 8 / 0 9 /1 0
S
A T E L L I T E
R
E C E I V E R F O R
DVB-S/DSS
Q
UICK
L
OCK
AND
Q
UICK
S
CAN
Features
Single-chip tuner, demodulator,
and LNB controller
DVB-S- and DSS-compliant
QPSK/BPSK demodulation
Integrated step-up dc-dc
converter for LNB power supply
(Si2108/10 only)
Input signal level:
–82 to –10 dBm
Symbol rate range:
1 to 45 MBaud
Automatic acquisition and fade
recovery
Automatic gain control
On-chip blind scan accelerator
with
QuickScan
(Si2109/10 only)
DiSEqC™ 2.2 support
Power, C/N, and BER estimators
I C bus interface
3.3/1.8 V supply, 3.3 V I/O
Pb-free/RoHS-compliant
package
VDD_LNA
REXT
WITH
2
Pin Assignments
Si2107/08/09/10
GND
GND
VDD_SYNTH
35
VDD_LO
RFIN2
RFIN1
RFIP2
RFIP1
GND
44 43 42 41 40 39 38 37 36
Applications
Set-top boxes
Digital video recorders
Digital televisions
Satellite PC-TV
SMATV trans-modulators
(Satellite Master Antenna TV)
1
2
3
4
5
6
7
8
9
10
11
12
13
XTAL1
XTAL2
VDD_XTAL
XTOUT
VDD_PLL33
INT/RLK/GPO
TS_ERR
TS_VAL
TS_SYNC
SDA
SCL
TS_DATA[7]
TS_DATA[6]
GND
34
33
32
ADDR
VDD_MIX
VDD_BB
VDD_ADC
VSEN/TDET
LNB1/TGEN
ISEN
Top
View
GND
14 15 16 17 18 19 20 21 22
VDD_DIG33
TS_DATA[0]
TS_DATA[1]
TS_DATA[2]
TS_DATA[3]
VDD_DIG33
TS_CLK
TS_DATA[4]
TS_DATA[5]
31
30
29
28
27
26
25
24
23
Description
The Si2107/08/09/10 are a family of pin-compatible, complete front-end solutions
for DSS and DVB-S digital satellite reception. The IC family incorporates a tuner,
demodulator, and LNB controller into a single device resulting in significantly
reduced board space and external component count. The device supports symbol
rates of 1 to 45 MBaud over a 950 to 2150 MHz range. A full suite of features
including automatic acquisition, fade recovery, blind scanning, performance
monitoring, and DiSEqC Level 2.2 compliant signaling are supported. The Si2108/
10 further add short circuit protection, overcurrent protection, and a step-up dc-dc
controller to implement a low-cost LNB supply solution. Si2109/10 versions
include a hardware channel scan accelerator for fast “blindscan”. The Si2107/08/
09/10 family features new channel detection and acquisition technology:
QuickLock
for Si2107/08/09/10 and
QuickScan
for Si2109/10.
QuickLock
achieves fast channel acquisition and
QuickScan,
fast channel detection. An I
2
C
bus interface is used to configure and monitor all internal parameters.
LNB2/DRC
RESET
PWM/DCS
VDD_DIG18
Functional Block Diagram
AGC
Acquisition Control
A/D Converter
De-interleaver
Descrambler
RFIP
Tuner
Demodulator
Viterbi
Decoder
RS
Decoder
TS_CLK
TS_DATA[7:0]
TS_VAL
TS_SYNC
TS_ERR
VSEN/TDET
LNB2/DRC
ISEN/NC
LNB1/TGEN
PWM/DCS
LNB Control
RF Sythesizer
I
2
C Interface
MPEG-TS
INT/RLK/GPO
XOUT
SCL
SDA
Preliminary Rev. 0.81 6/06
Copyright © 2006 by Silicon Laboratories
Si2107/08/09/10
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.