si2146 Silicon Laboratories, si2146 Datasheet - Page 2

• Manufacturer Part Number: si2146
• Description: Worldwide Digital Tv Tuner Ic
• Manufacturer: Silicon Laboratories

Selected Electrical Specifications
(V
Worldwide Digital TV Tuner IC
Supply Voltage
Total Power Consumption (TBD)
RF Input Frequency Range
Noise Figure*
Wideband IIP3*
Inband IIP3*
LO Phase Noise at 860 MHz
LO Integrated Phase Noise 
at 860 MHz
Adjacent Channel Attenuation
DLIF Output Center Frequency
DLIF Differential Output Voltage Swing
*Note: Measured at the F-connector input of the Si2146 reference design and includes all connector, PCB, and front-end
DD_H
Si2146
Part #
INTB/GPIO2
circuit losses.
= 3.3 V, V
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders.
VDD_IO
GPIO1
RSTB
GND
GND
GND
GND
Parameter
Worldwide digital TV tuner IC for ATSC/QAM, DVB-T/T2/C, ISDB-T/C, DTMB
25
26
27
28
29
30
31
32
DD_L
Pin Assignments
24
1
23
= 1.8 V, V
2
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
22
3
GND_PAD
21
4
20
5
DD_D
19
6
= 1.8 V, T
18
7
125 Hz | 250 Hz | 1 kHz | 10 kHz | 100 kHz –83 | –91 | –96 | –95 | –104 dBc/Hz
Copyright © 2011 by Silicon Laboratories
17
channel BW = 6 MHz | 7 MHz | 8 MHz
8
16
15
14
13
12
11
10
9
N±1; RF input* to DLIF output
A
XOUT
BCLK
VDD_L
DLIF_P
DLIF_N
NC
VDD_H
NC
VHF bands | UHF bands
= 25 °C)
Selection Guide
N±18,±36; max RF gain
DSB: 125 Hz to 4 MHz
N±1,±2; max RF gain
Test Condition
programmable
max gain
Description
Symbol
D, E
5 x 5 mm QFN-32 Package
A
e
Worldwide Digital TV Tuner IC
0.80
Min
4 to 7 | 4.5 to 6.5 | 5 to 6
5.00 BSC
0.50 BSC
Nom
0.85
1.8 and 3.3
0.9 | 0.85
42 to 1002
0.5 to 2.0
(–43)
Typ
+18
–10
4.0
0.4
80
Max
0.90
Si2146
Unit
mm
mm
mm
deg. rms
(dBc)
MHz
dBm
dBm
MHz
Unit
V
8.2.11
dB
dB
W
V
ppd