SI2108-D-FM Silicon Laboratories Inc, SI2108-D-FM Datasheet

SI2108-D-FM

Manufacturer Part Number

SI2108-D-FM

Description

Manufacturer

Silicon Laboratories Inc

Datasheet

1.SI2108-D-FM.pdf (98 pages)

Specifications of SI2108-D-FM

Lead_time

994

Pack_quantity

210

Comm_code

85423990

Current page: 1 of 98
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Features

Applications

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

bus interface is used to configure and monitor all internal parameters.

Functional Block Diagram

Rev. 1.0 3/08

AT ELLI TE

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

UICK

VSEN/TDET

Set-top boxes

Digital video recorders

Digital televisions

LNB1/TGEN

PWM/DCS

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

LNB2/DRC

ISEN/NC

Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA).

Tuner

LNB Control

OCK AND

AGC

Demodulator

ECEIVER FOR

RF Sythesizer

Decoder

Viterbi

Acquisition Control

XOUT

UICK

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

3.3/1.8 V supply, 3.3 V I/O

Pb-free/RoHS-compliant

package

Satellite PC-TV

SMATV trans-modulators

(Satellite Master Antenna TV)

C bus interface

Decoder

C Interface

SCL

SDA

C A N

D VB-S /DSS

TS_CLK

TS_VAL

INT/RLK/GPO

TS_DATA[7:0]

TS_SYNC

TS_ERR

S i2107/ 08/09/10

VSEN/TDET

LNB1/TGEN

VDD_DIG18

LNB2/DRC

VDD_ADC

PWM/DCS

VDD_LNA

W I T H

VDD_MIX

VDD_BB

RESET

ADDR

REXT

ISEN

Si2107/08/09/10

Pin Assignments

14 15 16 17 18 19 20 21 22

View

Top

GND

Si2107/08/09/10

XTAL1

XTAL2

VDD_XTAL

XTOUT

VDD_PLL33

INT/RLK/GPO

TS_ERR

TS_VAL

TS_SYNC

SDA

SCL

TS_DATA[7]

TS_DATA[6]

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