Automotive AM/FM Tuner

Copyright © 2011 by Silicon Laboratories

11.10.11

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Si476x

High Performance Automotive AM/FM Radio Receiver and HD

Radio (HDR) Tuner

Selected Electrical Specifications

Parameter

Test Conditions

Min

Typ

Max

Units

Ambient temperature

–40

25

85

°C

Analog supply voltage 5 V (VA)

4.5

5

5.5

V

Digital supply voltage 3.3 V (VD)

2.7

3.3

3.6

V

Interface supply voltage (VIO1)

1.7

3.3

3.6

V

Interface supply voltage (VIO2)

1.2

3.3

3.6

V

Analog supply current

—

130

—

mA

Digital supply current

—

60

—

mA

Interface supply current (VIO1)

—

90

—

µA

Interface supply current (VIO2)

—

20

—

µA

FM

Input frequency

64

108

MHz

Tune time

—0.9

—

ms

AF scan time

—

7.5

—

ms

Seek time/channel

—

20

—

ms

Max frequency deviation

—

150

—

kHz

AM

Input frequency

510

1710

kHz

Seek time/channel

—

55

—

ms

Pin Assignment

IQCLK

23

IQFS

24

IOUT

25

QOUT

26

DIN

27

DFS

28

DCLK

29

BLEND/NC

30

WXI/NC

8

FMI

7

FMO

6

RFREG

5

RFGND

4

FMXIN

3

FMXIP

2

NC

1

NC

10

AMI

9

DBYP

21

VIO2

22

GND PAD

Package Information

Symbol

Millimeters

Symbol

Millimeters

Min

Nom

Max

Min

Nom

Max

A

0.80

0.85

0.90

E

6.00 BSC

A1

0.00

0.02

0.05

E2

3.95

4.10

4.25

b

0.18

0.25

0.30

L

0.30

0.40

0.50

D

6.00 BSC

L1

0.03

0.05

0.08

D2

3.95

4.10

4.25

aaa

0.10

e

0.50 BSC

bbb

0.10