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SI4825-A10-CS 데이터시트(PDF) 7 Page - Silicon Laboratories

부품명 SI4825-A10-CS
상세설명  BROADCAST MECHANICAL TUNING AM/FM/SW RADIO RECEIVER
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제조업체  SILABS [Silicon Laboratories]
홈페이지  http://www.silabs.com
Logo SILABS - Silicon Laboratories

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Si4825-A10
Rev. 1.0
7
Table 5. AM/SW Receiver Characteristics1, 2
(VDD = 2.7 to 3.6 V, TA = 0 to 70 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Input Frequency
fRF
Medium Wave (AM)
504
1750
kHz
Short Wave (SW)
2.3
28.5
MHz
Sensitivity3,4,5
(S+N)/N = 26 dB
30
µV EMF
Large Signal Voltage Handling5
THD < 8%
300
mVRMS
Power Supply Rejection Ratio5
∆VDD =100 mVRMS, 100 Hz
40
dB
Audio Output Voltage3,6
54
mVRMS
Audio S/N3,4,6
45
dB
Audio THD3,6
0.1
%
Antenna Inductance5,7
180
450
µH
Notes:
1.
Additional testing information is available in “AN569: Si4831/35/36/20/24/25-DEMO Board Test Procedure.”
Volume = maximum for all tests. Tested at RF = 6 MHz.
2.
To ensure proper operation and receiver performance, follow the guidelines in “AN738: Si4825/36-A Antenna,
Schematic, Layout, and Design Guidelines.” Silicon Laboratories will evaluate schematics and layouts for qualified
customers.
3.
FMOD = 1 kHz, 30% modulation, 2 kHz channel filter.
4.
BAF = 300 Hz to 15 kHz, A-weighted.
5.
Guaranteed by characterization.
6.
VIN =5 mVrms.
7.
Stray capacitance on antenna and board must be < 10 pF to achieve full tuning range at higher inductance levels.
Table 6. Reference Clock and Crystal Characteristics
(VDD = 2.7 to 3.6 V, TA = 0 to 70 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Reference Clock
XTALI Supported Reference Clock
Frequencies
32.768
kHz
Reference Clock Frequency
Tolerance for XTALI
–100
100
ppm
Crystal Oscillator
Crystal Oscillator Frequency
32.768
kHz
Crystal Frequency Tolerance
–100
100
ppm
Board Capacitance
——
3.5
pF


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