FM Tuner

Copyright © 2007 by Silicon Laboratories

1.8.07

Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.

Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders

Si4710/11

FM Radio Transmitter for Portable Applications

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Transmit Frequency Range

76

—

108

MHz

Programmable Transmit Output Voltage,

TXO (Maximum Voltage)

—

115

—

dBµV

Programmable Transmit Output Voltage,

TXO (Minimum Voltage)

—

83

—

dBµV

Transmit Voltage Stability

–1

—

1

dB

Transmit Voltage Step

—

1

2

dB

Transmit Channel Edge Power

—

—

–20

dBC

Transmit Adjacent Channel Power

—

–30

–26

dBC

Pre-emphasis Time Constant

FMPE[1:0] = 00

70

75

80

us

FMPE[1:0] = 01

45

50

54

us

Audio SNR

—

63

—

dB

Audio THD

—

0.1

0.5

%

Audio Stereo Separation

30

35

—

dB

Sub Carrier Rejection Ratio

SCR

—

–50

–40

dB

Input Signal Level (0 dB)

—

—

0.636

Audio Bandwidth (3 dB)

20

—

15 K

Hz

Audio Imbalance

–1

—

1

dB

Powerup Settling Time

From powerdown

—

110

—

ms

Selected Electrical Specifications

Pin Assignments

GND

PAD

1

2

3

17

18

19

20

11

12

13

14

6

7

8

9

4

5

16

10

15 RIN

DFS

DIN

GND

RST

NC

TXO

VDD

NC

RFGND

Package Information

Symbol

Millimeters

Symbol

Millimeters

Min

Nom

Max

Min

Nom

Max

A

0.50

0.55

0.60

f

2.53 BSC

A1

0.00

0.02

0.05

L

0.35

0.40

0.45

b

0.20

0.25

0.30

L1

0.00

—

0.10

c

0.27

0.32

0.37

aaa

—

—

0.05

D

3.00 BSC

bbb

—

—

0.05

D2

1.65

1.70

1.75

ccc

—

—

0.08

e

0.50 BSC

ddd

—

—

0.10

E

3.00 BSC

eee

—

—

0.10

E2

1.65

1.70

1.75