Silicon Laboratories SI4830 - Manual (Page 2)

AM/FM Receiver Copyright © 2010 by Silicon Laboratories 2.24.2010
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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