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PDF SL2150D Data sheet ( Hoja de datos )
| Número de pieza | SL2150D | |
| Descripción | Cable Tuner Front End LNA | |
| Fabricantes | Zarlink Semiconductor | |
| Logotipo |  |
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SL2150D
Cable Tuner Front End LNA with AGC
Data Sheet
Features
• Single chip dual output LNA
• Wide dynamic range on both channels
• Independent AGC facility incorporated into all
channel paths
• Independent disable facility incorporated into all
channel paths
• Full ESD protection. (Normal ESD handling
procedures should be observed)
Applications
• Multi-tuner cable set top box and cable modem
applications
• Data communications systems
• Terrestrial TV tuner loop though
September 2005
Ordering Information
SL2150D/KG/LH1S 28 Pin QFN
SL2150D/KG/LH2R 28 Pin QFN*
SL2150D/KG/LH2T 28 Pin QFN*
*Pb Free Matte Tin
-20°C to +85°C
Tubes
Trays
Tape & Reel
Description
The SL2150D is a wide dynamic range front end for
tuner applications.
The device offers two buffered outputs from a single
input, where both paths contain an independently
controllable AGC and disable facility.
RFINPUT
RFINPUTB
Power
Splitter
AGC1
AGC
Control
AGC2
AGC
Control
RFOUT1
RFOUT1B
RFOUT2
RFOUT2B
Power Down
DIS1 DIS2
Figure 1 - SL2150D Block Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2002-2005, Zarlink Semiconductor Inc. All Rights Reserved.
1 page  
SL2150D
Data Sheet
Typical AGC vs Control Voltage
15
5
-5
-15
-25
-35
-45
-55
-65
0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5
AGC Voltage (V)
Figure 5 - Typical AGC Characteristic
Typical Noise Figure vs Frequency (Vagc = 3 V, Maximum Gain)
9
8.5
8
7.5
7
6.5
6
5.5
5
4.5
4
50 150 250 350 450 550 650 750 850
Frequency (MHz)
Figure 6 - Input Noise Figure at 25°C
5
Zarlink Semiconductor Inc.
5 Page 
SL2150D
Data Sheet
3.0 Electrical Characteristics
Test conditions (unless otherwise stated).
T amb = -20o to 85oC, Vee = 0 V, Vcc = 5 V+-5%
These characteristics are guaranteed by either production test or design.
They apply within the specified ambient temperature and supply voltage unless otherwise stated.
Electrical Characteristics
Characteristic
Pin
Min.
Typ.
Max.
Units
Conditions
Supply current
Input frequency
range
Input impedance
Input return loss
Input Noise
Figure
3, 4
Variation in NF
with gain adjust
Gain
maximum
minimum
minimum
CSO
CTB
CXM
Input P1dB
190 220 mA Both outputs enabled
110 140 mA One output enabled
42 60 mA Both outputs disabled
50 860 MHz
75
6.8 8
6.4
Ω See Figure 4
dB See Figure 4
7.2 dB Tamb = 27°C,
see Figure 6
All loops at maximum
gain
-1 dB/dB See Figure 7
Power gain from 75 Ω
single ended source to
differential 75 Ω load,
with application as in
Figure 11.
9.5 11 12.5 dB Vagcip = 3.0 V
-25 dB Vagcip = 0.5 V
-50 dB Vagcip = Vee
AGC monotonic from
Vee to Vcc.
Refer to Functional
description section for
information on
calculating maximum
gain with other load
conditions
-66 dBc See note (2)
-62 dBc See note (3)
-65 dBc See note (2)
-62 dBc See note (3)
-60 dBc See note (2)
+4.5
dBm
All gain settings, with
load as in Figure 11
11
Zarlink Semiconductor Inc.
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet SL2150D.PDF ] | |
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