Si2151 Data Short

Si2151
Worldwide Digital and Analog TV Tuner
Description
Features
- Worldwide hybrid TV tuner
- NTSC, PAL/SECAM, ATSC/QAM, DVB-T2/T/C2/C,
The Si2151 is the industry's most advanced hybrid TV
tuner supporting all worldwide terrestrial and cable TV
standards for digital and analog TV reception. Leveraging
five generations of field-proven hybrid TV tuner technology,
the Si2151 delivers the same or better RF performance as
Silicon Labs' Si2157 hybrid TV tuner while further reducing
footprint size and bill of materials cost.
Available in an industry-leading 3x3 mm QFN package, the
Si2151 eliminates the need for an external balun, LNAs,
SAW filters, and inductive power supply filtering to deliver
the lowest-cost, most design-friendly and area-efficient
solution available today. While competing solutions may
also eliminate the balun, they suffer degradation in NF and
second-order distortion, compromising reception. A
fully-integrated 1.8 V LDO enables single supply operation,
while a dual supply option offers additional system
flexibility. Increased immunity to LTE interference and a
harmonic rejection mixer with outstanding immunity to
Wi-Fi interference eliminate the need for external filtering.
For advanced digital broadcast standards with high-order
constellations, such as DVB-T2 and DVB-C2, the superior
integrated phase noise of the Si2151 provides several dB
of improved reception performance compared to
competing solutions. Additionally, a software-selectable
cable mode offers optimized return loss.
The Si2151 delivers exceptional picture quality and a
higher number of received stations when compared to
other silicon tuners. Incorporating worldwide field
experience from five prior hybrid tuner generations in mass
production, the Si2151 delivers the highest tolerance to
real-world reception conditions.
nel bandwidths
- Industry-leading margin to A/74, NorDig, D-Book,
C-Book, ARIB, EN55020, OpenCable™, DTMB
- Lowest BOM for a silicon hybrid TV tuner
- No balun
- No SAW filters or wire-wound inductors
- Integrated LNAs and complete tracking filters
- Best-in-class real-world reception
- Industry-leading phase noise performance
- High immunity to Wi-Fi and LTE interference
- Low power consumption
- 3.3 V and 1.8 V power supplies
- Integrated 1.8 V LDO for 3.3 V single-supply 
-
Applications
ANTENNA
INPUT
PGA
0 / 90
LDO
FREQ
SYNTH
Hybrid ½-NIM tuner module
iDTV (Integrated Digital TV)
Hybrid terrestrial and cable STB
Hybrid PVR, DVD and Blu-Ray disc recorder
PC-TV accessories
AGC
I
ADC
DSP
Q
ADC
FILTER
IF
AGC
LOW-IF
3.3 V
1.8 V
1.8 V
XOSC
Copyright © 2014 by Silicon Laboratories
LIF
AGC
DTV
DEMOD
ATV
DEMOD
SDA
SCL
ADDR
AV
SoC
GPIO
XOUT
XTAL_I
XTAL_O
Hybrid TV Tuner
OUTPUT
INTERFACE
-
PGA
RF
AGC
operation
Integrated power-on reset circuit
Single LIF output to SoC and/or demodulator
Standard CMOS process technology
Smallest footprint for a silicon hybrid TV tuner
- 3x3 mm, RoHS-compliant 24-pin QFN
CONTROL
INTERFACE
Si2151
ISDB-T/C, DTMB
- 1.7 MHz, 6 MHz, 7 MHz, 8 MHz, and 10 MHz chan-
9.29.2014
Si2151
Worldwide Digital and Analog TV Tuner
Selected Electrical Specifications
(VDDH = 3.3 V, VDDL = 1.8 V, TA = 25 °C)
Parameter
Test Condition
Typ
Supply Voltage
Total Power Consumption
1.8 and 3.3, or only 3.3
V
506
mW
42 to 1002
MHz
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
Terrestrial mode
3
dB
External 1.8 V supply, ATV Mode
RF Input Frequency Range
NF, terrestrial*
Return Loss*
Unit
Cable mode
8
dB
VHF-H, N±18, ±36
+5
dBm
VHF-H, N±1, ±2
–6
dBm
1 kHz  10 kHz  100 kHz  1 MHz
–100  –100  –105  –132
dBc/Hz
DSB: 125 Hz to 4 MHz offset
0.25
(–47)
rms
(dBc)
Analog IF Spurious Distortion
S=P
–72
dB
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
Out-of-band IIP3*
In-Band IIP3*
LO Phase Noise at 860 MHz
LO Integrated Phase Noise at 860 MHz
*Note: Includes all connector, PCB and front-end circuit losses at the F-connector input of the Si2151 EVB.
Selection Guide
Part #
Description
Si2151
Worldwide hybrid TV tuner for NTSC, PAL/SECAM, ATSC/QAM, DVB-T2/T/C2/C, ISDB-T/C, DTMB
VDDH
GND
VDDH
XTAL_O
XTAL_I
18
17
16
15
14
13
RF_REF 19
3x3 mm QFN-24 Package Information
NC
Pin Assignments
RF_IP 20
12 XOUT
GND 21
11 LIF_P
GND
PAD
RF_IN 22
10 LIF_N
Dimension
Min
Nom
Max
Unit
ADDR 23
9
VDDH
A
0.80
0.85
0.90
mm
GPIO1 24
8
GND
D, E
3.00BSC
mm
e
0.40 BSC
mm
e1
0.45 BSC
mm
Hybrid TV Tuner
6
GND
5
AGC1
4
AGC2
3
SCL
2
SDA
GPIO2
1
7 VDDL
J, K
1.60
Copyright © 2014 by Silicon Laboratories
1.70
1.80
mm
9.29.2014
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