Silicon Laboratories SI4830 manual Lout, Rout, Dbyp, TUNE2 VDD2, VDD1, Xtali, FMI RSV2, RSV1, Gnd

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Si4830

Broadcast Mechanical Tuning AM/FM Radio Receiver

Selected FM Electrical Specifications

 

 

 

 

 

 

 

 

 

 

 

 

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Frequency

fRF

 

64

108

MHz

Sensitivity

 

(S+N)/N = 26 dB

2.2

µV EMF

 

 

 

 

 

 

 

Input IP3

 

 

105

dBµV EMF

 

 

 

 

 

 

 

Adjacent Channel Selectivity

 

±200 kHz

50

dB

 

 

 

 

 

 

 

Alternate Channel Selectivity

 

±400 kHz

65

dB

 

 

 

 

 

 

 

Audio Output Voltage

 

 

80

mVRMS

Audio S/N

 

 

53

dB

 

 

 

 

 

 

 

Audio THD

 

 

0.1

0.5

%

 

 

 

 

 

 

 

Selected AM Electrical Specifications

 

 

 

 

 

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Frequency

fRF

 

520

1710

kHz

Sensitivity

 

(S+N)/N = 26 dB

25

µV EMF

 

 

 

 

 

 

 

Audio S/N

 

 

56

dB

 

 

 

 

 

 

 

Audio Output Voltage

 

 

60

mVRMS

Audio THD

 

 

0.1

%

 

 

 

 

 

 

 

Antenna Inductance

 

 

180

450

μH

 

 

 

 

 

 

 

Package Information

Table 1. Package Dimensions

Dimension

Min

Nom

 

Max

 

Dimension

Min

 

Nom

 

Max

A

 

1.75

 

L

0.40

 

 

1.27

A1

0.10

 

0.25

 

L2

 

0.25 BSC

 

b

0.20

 

0.30

 

θ

 

 

c

0.10

 

0.25

 

aaa

 

0.20

 

 

D

 

8.65 BSC

 

 

bbb

 

0.18

 

 

 

 

 

 

 

 

 

 

 

 

E

 

6.00 BSC

 

 

ccc

 

0.10

 

 

 

 

 

 

 

 

 

 

 

 

E1

 

3.90 BSC

 

 

ddd

 

0.10

 

 

 

 

 

 

 

 

 

 

 

 

 

e

 

0.635 BSC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

1.All dimensions shown are in millimeters (mm) unless otherwise noted.

2.Dimensioning and Tolerancing per ANSI Y14.5M-1994.

3.This drawing conforms to the JEDEC Solid State Outline MO-137, Variation AE.

4.Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components.

 

Pin Assignments

 

 

 

 

Stereo

 

 

 

 

LOUT

 

1

24

 

 

 

BAND

 

2

23

 

ROUT

 

 

XTALO

 

3

22

 

DBYP

 

 

TUNE2

 

4

21

 

VDD2

 

 

TUNE1

 

5

20

 

VDD1

 

 

NC

 

6

19

 

XTALI

 

 

NC

 

7

18

 

Station

 

 

FMI

 

8

17

 

RSV2

 

 

RFGND

 

9

16

 

RSV1

 

 

NC

 

10

15

 

 

 

 

 

 

RST

NC

 

11

14

 

GND

 

 

AMI

 

12

13

 

GND

 

 

 

 

 

 

 

 

 

 

AM/FM Receiver

Copyright © 2010 by Silicon Laboratories

2.24.2010

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

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Contents Si4830 Broadcast Mechanical Tuning AM/FM Radio ReceiverSi4830 Dbyp LoutRout TUNE2 VDD2

SI4830 specifications

Silicon Laboratories SI4830 is a highly integrated, low-power AM/FM receiver designed for various consumer and industrial applications. This versatile device is primarily used in portable media players, radios, and other wireless audio products. One of its standout features is its superior sensitivity, which allows for excellent reception even in challenging environments.

The SI4830 utilizes a fully integrated architecture that eliminates the need for external components, simplifying the design process and reducing overall system costs. This integration not only saves space on printed circuit boards but also enhances performance by minimizing external noise and signal loss. The chip operates in the AM and FM frequency ranges, making it suitable for a broad range of radio broadcasts.

Another key characteristic of the SI4830 is its low power consumption. This feature is particularly crucial for battery-powered devices, offering extended operational life without compromising performance. It boasts a minuscule quiescent current, making it ideal for integration into portable devices, where battery life is a significant consideration.

The SI4830 is also equipped with advanced digital signal processing (DSP) capabilities. This technology enhances audio clarity and minimizes distortion, ensuring a premium listening experience. Additionally, the DSP allows for more robust tuning algorithms, resulting in quick and accurate channel selection, even in crowded frequency bands.

The device supports various audio formats and can be easily interfaced with microcontrollers through standard communication protocols. This flexibility enables designers to customize their applications according to specific requirements while ensuring compatibility with existing systems and technologies.

Furthermore, the SI4830 features a built-in automatic gain control (AGC) that optimizes signal strength by dynamically adjusting the gain based on incoming signal levels. It ensures consistent audio output quality regardless of the signal strength or broadcasting conditions.

In summary, the Silicon Laboratories SI4830 is a powerful and efficient AM/FM receiver that excels in sensitivity, low power usage, and advanced signal processing capabilities. Its high level of integration and support for various audio formats make it an ideal choice for modern portable audio applications, helping designers create innovative and reliable products to meet evolving consumer demands.