SI4768-A10-AM Silicon Laboratories Inc, SI4768-A10-AM Datasheet

SI4768-A10-AM

Manufacturer Part Number

SI4768-A10-AM

Description

Manufacturer

Silicon Laboratories Inc

Datasheet

1.SI4762-A10-GM.pdf (2 pages)

Specifications of SI4768-A10-AM

Lead_time

Pack_quantity

490

Comm_code

85423990

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Description

The Si476x radio receiver family employs 100% RF CMOS

technology to bring outstanding receiver performance to

the automotive infotainment industry, which demands high

performance and quality.

The Si476x receiver family supports worldwide FM and AM

radio reception. Additional variants support weather band,

shortwave, longwave frequencies, and dual antenna FM

phase diversity reception.

The Si476x incorporates a digital processor for the

European Radio Data System (RDS) and the North

American Radio Broadcast Data System (RBDS) including

all required symbol decoding, block synchronization, error

detection, and error correction functions. All odd-numbered

variants in the family support AM/FM HD Radio channel

reception with digital (I

interface to a HD Radio demodulator/decoder.

The family leverages Silicon Laboratories’ patented digital

architecture, delivering superior RF performance and

interference rejection. The proven digital techniques

provide excellent sensitivity in weak signal environments,

and superb selectivity and inter-modulation immunity in

strong signal environments.

The solution offers dynamic AM/FM channel bandwidth

control, auto-calibrated digital tuning, and proven AM/FM

seek functionality based on multiple signal quality and

band parameters. The family offers highly flexible and

advanced audio processing including AM/FM noise

blanking,

mitigation, FM stereo-mono blend, and FM hi-cut. In

addition, the Si476x provides an integrated clock oscillator

or accepts a reference clock and an I

control interface. The Si476x receiver system specifies a

minimal bill of materials, resulting in a very small board

space requirement and making the solution ideal for any

automotive application from single tuner radios to multiple

tuner radios addressing

scanning.

Automotive AM/FM Tuner

programmable

S) baseband I/Q outputs for

companion TMC/AF reception/

soft

RFREG

RFGND

FMXIN

FMXIP

WXI

FMO

AMI

FMI

mute,

RF PKD

C-compatible, 2-wire

REG

LNA

High-Performance Automotive AM/FM Radio Receiver and

MXR PKD

LNA

multi-path

0°/90°

IF PKD

Si476x

Gen

ClK

Features

Applications

ADC

Worldwide FM band support (64–108 MHz)

AM/FM HDR support

Worldwide AM band support (520–1710 kHz)

Advanced RDS/RBDS demodulator/decoder

Digital FM MPX decoder

Integrated FM active splitter

Advanced AM/FM noise blankers

Dynamic AM/FM channel bandwidth control

Advanced FM hi-cut control

Programmable FM stereo-mono blend

Programmable AM/FM soft mute

Full suite of signal metrics: RSSI, SNR, multi-path

interference, frequency offset, adjacent channel

strength, USN

Analog and digital (I

Digital (I

Analog FM MPX output

Low-IF architecture

On-chip AM/FM AGC with integrated resistor and

varactor banks

1.5 to 5 V power supplies

QFN 40, 6 x 6 x 0.85 mm

AEC-Q100 qualified

OEM automotive infotainment systems

Aftermarket car radio systems

OEM automotive PND docking system

Addresses companion AF/RDS data receiver

Eliminates expensive 10.7 MHz IF ceramic filters

Eliminates external pin diode attenuators and 

varactors

Pb-free/RoHS compliant

DSP

S) baseband AM/FM I/Q

CNTRL

RDS

DAC

S) audio outputs

INTB

RSTB

VIO1

VIO2

LOUT/

MPXOUT

ROUT

DCLK

DFS

DOUT

HD Radio Tuner

Si476x

11.10.11

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