si4735 Silicon Laboratories, si4735 Datasheet - Page 2

• Manufacturer Part Number: si4735
• Description: Broadcast Am/fm/sw/lw Radio Receiver
• Manufacturer: Silicon Laboratories

Selected FM Electrical Specifications
Selected AM/SW/LW Electrical Specifications
AM/FM Receiver
Input Frequency
Sensitivity headphone matching
Sensitivity 50 Ω matching
Input IP3
Adjacent Channel Selectivity
Alternate Channel Selectivity
Audio Frequency Reponse Low
Audio Frequency Reponse High
Audio Mono S/N
Audio THD
Audio Output Voltage
Supply Voltage*
Interface Supply Voltage*
Powerdown Current*
*Note: Applies to both FM and AM modes.
Input Frequency
Sensitivity
Audio S/N
Audio THD
Audio Output Voltage
RFGND
RST
AMI
FMI
NC
Pin Assignments
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders.
2
3
4
5
1
6
Parameter
Parameter
20
7
19
GND
8
PAD
18
9
17
10
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
16
11
15 DOUT
14
13
12
LOUT
ROUT
GND
VDD
Symbol
Symbol
V
D
V
f
I
f
RF
PD
RF
Copyright © 2008 by Silicon Laboratories
, V
IO
A
Symbol
|f
3 x 3 x 0.55 mm, 20-pin QFN Package Information
2
A1
D2
E2
D
E
A
b
c
e
– f
Broadcast AM/FM/SW/LW Radio Receiver
1
Medium wave (AM)
| > 1 MHz; f
Short wave (SW)
(S+N)/N = 26 dB
(S+N)/N = 26 dB
(S+N)/N = 26 dB
Long wave (LW)
Test Condition
Test Condition
0.50
0.00
0.18
0.27
1.60
1.60
Min
±200 kHz
±400 kHz
–3 dB
–3 dB
Millimeters
3.00 BSC
0.50 BSC
3.00 BSC
0
Nom
0.55
0.02
0.25
0.32
1.70
1.70
= 2 x f
1
– f
Max
0.60
0.05
0.30
0.37
1.80
1.80
2
Min
520
153
Min
2.3
2.7
1.5
54
76
15
72
—
—
—
—
—
—
—
—
—
—
—
—
Symbol
aaa
bbb
ddd
eee
ccc
L1
L
f
Typ
Typ
105
0.1
2.2
1.1
0.1
—
—
—
25
56
60
50
70
63
80
10
—
—
—
—
—
Si4734/35
0.35
0.00
Min
—
—
—
—
—
21.85
1710
Max
Max
279
108
5.5
3.6
66
—
—
—
Millimeters
30
90
—
—
—
—
—
—
—
—
—
2.53 BSC
Nom
0.40
—
—
—
—
—
—
dBµV EMF
µV EMF
µV EMF
µV EMF
mVrms
mVrms
MHz
Unit
MHz
Unit
kHz
kHz
kHz
µA
dB
Max
0.45
0.10
0.10
0.10
0.08
0.10
0.10
dB
dB
Hz
dB
%
%
V
V
4.1.08