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SI4730 Datasheet(PDF) 2 Page - Silicon Laboratories

No. de pieza SI4730
Descripción Electrónicos  Broadcast AM/FM Radio Receiver
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Fabricante Electrónico  SILABS [Silicon Laboratories]
Página de inicio  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI4730 Datasheet(HTML) 2 Page - Silicon Laboratories

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AM/FM Receiver
Copyright © 2007 by Silicon Laboratories
6.15.07
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.
Si4730/31
Broadcast AM/FM Radio Receiver
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Input Frequency
fRF
76
108
MHz
Sensitivity headphone matching
(S+N)/N = 26 dB
2.2
µV EMF
Sensitivity 50
Ω matching
(S+N)/N = 26 dB
1.1
µV EMF
Input IP3
|f2 – f1| > 1 MHz; f0 = 2 x f1 – f2
105
dBµV EMF
Adjacent Channel Selectivity
±200 kHz
50
dB
Alternate Channel Selectivity
±400 kHz
70
dB
Audio Band Limits
±1.5 dB
30
15k
Hz
Audio S/N
63
dB
Audio THD
0.1
%
Audio Output Voltage
72
80
90
mVrms
Supply Voltage*
VD, VA
2.7
5.5
V
Interface Supply Voltage*
VIO
1.5
3.6
V
Powerdown Current*
IPD
10
µA
*Note: Applies to both FM and AM modes.
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Input Frequency
fRF
520
1710
kHz
Sensitivity
(S+N)/N = 26 dB
38
µV EMF
Audio S/N
58
dB
Audio THD
0.1
%
Audio Output Voltage
54
60
66
mVrms
Antenna Inductance
180
600
µH
Selected FM Electrical Specifications
Selected AM 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 NC
LOUT
ROUT
GND
RST
NC
AMI
VDD
FMI
RFGND
3 x 3 x 0.55 mm, 20-pin QFN 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
0.18
0.25
0.30
L1
0.00
0.10
c
0.27
0.32
0.37
aaa
0.10
D
3.00 BSC
bbb
0.10
D2
1.60
1.70
1.80
ccc
0.08
e
0.50 BSC
ddd
0.10
E
3.00 BSC
eee
0.10
E2
1.60
1.70
1.80


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