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SI2141 Scheda tecnica(PDF) 2 Page - Silicon Laboratories

Il numero della parte SI2141
Spiegazioni elettronici  Worldwide Digital TV Tuner
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Produttore elettronici  SILABS [Silicon Laboratories]
Homepage  http://www.silabs.com
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Digital TV Tuner
Copyright © 2014 by Silicon Laboratories
9.29.2014
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
Si2141
Worldwide Digital TV Tuner
Selected Electrical Specifications
(VDDH = 3.3 V, VDDL = 1.8 V, TA = 25 °C)
Parameter
Test Condition
Typ
Unit
Supply Voltage
1.8 and 3.3, or only 3.3
V
Total Power Consumption
External 1.8 V supply
494
mW
RF Input Frequency Range
42 to 1002
MHz
NF, terrestrial*
VHF-L1 (42–103 MHz)
3.6
dB
VHF-L2 (104–198 MHz)
2.3
dB
VHF-H (199–470 MHz)
3.0
dB
UHF (471–870 MHz)
3.2
dB
Return Loss*
Terrestrial mode
3
dB
Cable mode
8
dB
Out-of-band IIP3*
VHF-H, N±18, ±36
+5
dBm
In-Band IIP3*
VHF-H, N±1, ±2
–6
dBm
LO Phase Noise at 860 MHz
1 kHz 10 kHz 100 kHz 1 MHz
–100 –100 –105 –132 dBc/Hz
LO Integrated Phase Noise at 860 MHz
DSB: 125 Hz to 4 MHz offset
0.25
(–47)
rms
(dBc)
LIF Output Center Frequency
Channel BW = 6 MHz 7 MHz 8 MHz 4 to 7 4.5 to 6.5 5 to 6
MHz
LIF Differential Output Voltage
Programmable
0.5 to 2.0
Vppd
*Note: Includes all connector, PCB and front-end circuit losses at the F-connector input of the Si2141 EVB.
Selection Guide
Part #
Description
Si2141
Worldwide digital TV tuner for ATSC/QAM, DVB-T2/T/C2/C, ISDB-T/C, DTMB
Pin Assignments
 
1
2
7
8
9
10
11
12
13
20
19
18
GND
PAD
LIF_P
LIF_N
VDDH
GND
VDDL
XOUT
RF_REF
RF_IP
GND
RF_IN
ADDR
GPIO1
17
16
15
14
3
4
5
6
21
22
24
23
3x3 mm QFN-24 Package Information
 
Dimension
Min
Nom
Max
Unit
A
0.80
0.85
0.90
mm
D, E
3.00 BSC
mm
e
0.40 BSC
mm
e1
0.45 BSC
mm
J, K
1.60
1.70
1.80
mm


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