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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
Si4830
Broadcast Mechanical Tuning AM/FM Radio Receiver
Selected FM Electrical Specifications
Selected AM Electrical Specifications
Parameter Symbol Conditions Min Typ Max Units
Input Frequency f
RF
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 — mV
RMS
Audio S/N — 53 — dB
Audio THD — 0.1 0.5 %
Parameter Symbol Conditions Min Typ Max Units
Input Frequency f
RF
520 — 1710 kHz
Sensitivity (S+N)/N = 26 dB — 25 — µV EMF
Audio S/N — 56 — dB
Audio Output Voltage — 60 — mV
RMS
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 0° — 8°
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
LOUT
ROUT
DBYP
VDD1
TUNE2
XTALO
Stereo
BAND
1
2
3
4
5
6
7
8
9
10
11
12
TUNE1
VDD2
Station
NC
NC
XTALI
RSV1
FMI
RFGND
RSV2
GND
NC
NC
RST
GND
AMI
24
23
22
21
20
19
18
17
16
15
14
13