SI2146-A10-GM Silicon Laboratories Inc, SI2146-A10-GM Datasheet

SI2146-A10-GM

Manufacturer Part Number

SI2146-A10-GM

Description

Manufacturer

Silicon Laboratories Inc

Datasheet

1.SI2146-A10-GM.pdf (2 pages)

Specifications of SI2146-A10-GM

Lead_time

Pack_quantity

490

Comm_code

85423990

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Manufacturer

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Company:

H&T Electronics

Part Number:

SI2146-A10-GMR

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Description

The Si2146 integrates a complete TV tuner

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.

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.

DVB-T/C demodulator creates a complete terrestrial

and cable DVB-T/C receiver.

Worldwide Digital TV Tuner IC

nterfacing the Si2146 seamlessly with the Si2165

ANTENNA

INPUT

Balun

1.8 V

3.3 V

RF_IN

RF_IP

Si2146

AGC

LDO

SYNTH

FREQ

0 / 90

PGA

XOSC

AGC

Features

- Worldwide digital 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

- Digital ½-NIM and full-NIM

- iDTV (Integrated Digital TV)

- Digital terrestrial and cable STB

- Digital PVR and DVD recorder

ADC

ARIB, OpenCable™ specifications

ATSC/QAM, DVB-T/T2/C, ISDB-T/C, DTMB

42-1002 MHz frequency range

Exceeds MOPLL-based tuners

No SAW filters or wirewound inductors required

Integrated LNAs and complete tracking filters

Integrated channel select filters

DLIF to digital TV demodulator or SoC

DEMOD

FILTER

LOW-IF

DSP

ATV

Worldwide Digital TV Tuner IC

AGC

DLIF

RSTB

INTB

SDA

SCL

ADDR

Si2146

DEMOD

DTV

SoC

9.20.11

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