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SI4844 データシート(PDF) 2 Page - Silicon Laboratories

部品番号 SI4844
部品情報  Broadcast Analog Tuning Digital Display AM/FM/SW Radio Receiver
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メーカー  SILABS [Silicon Laboratories]
ホームページ  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI4844 データシート(HTML) 2 Page - Silicon Laboratories

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AM/FM/SW Receiver
Copyright © 2011 by Silicon Laboratories
6.13.2011
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
Si4840/44
Broadcast Analog Tuning Digital Display AM/FM/SW Radio Receiver
Selected FM Electrical Specifications
Selected AM Electrical Specifications
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Input Frequency
fRF
64
109
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
55
dB
Audio THD
0.1
0.5
%
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Input Frequency
fRF
AM
504
1750
kHz
SW
2.3
28.5
MHz
Sensitivity
(S+N)/N = 26 dB
30
µV EMF
Audio S/N
55
dB
Audio Output Voltage
60
mVRMS
Audio THD
0.1
0.5
%
Antenna Inductance
180
450
μH
Package Information
Table 1. Package Dimensions
Dimension
Min
Nom
Max
Dimension
Min
Nom
Max
A
1.75
e
0.635 BSC
A1
0.10
0.25
L
0.40
1.27
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
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
NC
FMI
RFGND
AMI
BAND
TUNE2
TUNE1
IRQ
LNA_EN
NC
NC
NC
RST
LOUT
ROUT
DBYP
VDD2
SCLK
SDIO
XTALO
XTALI
VDD1
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13


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