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PDF SX1701 Data sheet ( 特性 )

部品番号 SX1701
部品説明 single-ended to differential conversion
メーカ Semtech Corporation
ロゴ Semtech Corporation ロゴ 

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SX1701 Datasheet, SX1701 PDF,ピン配置, 機能
ADVANCED COMMUNICATION & SENSING PRODUCTS
SX1701
www.DataSheet4U.com
SX1701 – Datasheet
Highly linear wideband LNA
Multi-channel, single-ended to differential conversion
GENERAL DESCRIPTION
The SX1701 is an integrated LNA operating over a wide
frequency range from 40 MHz to 2.5 GHz. It is optimized
for high OIP2 and OIP3 with minimum current
consumption. It also performs a single-ended to
differential conversion.
Three independent output channels are available and the
gain of each may be adjusted independently.
APPLICATIONS
Digital Set Top Boxes (Satellite and Terrestrial)
CATV Distribution Systems
Active Splitter
Data Communications Systems
Active Balun
TYPICAL APPLICATION
KEY PRODUCT FEATURES
Single-ended input / Triple differential outputs
Independent programmable gain for each channel: 6,
12 and 18 dB
High Linearity: OIP2 of 57 dBm and OIP3 of 22 dBm
Noise Figure of 7 dB
75 Input impedance
100 differential output impedance
Current consumption of 130 mA with one channel
enabled
ESD protection (Normal ESD handling procedures
should be observed)
Very small package: MLPQ-16, 4 mm x 4 mm
(equivalent to QFN-16, 4 mm x 4 mm)
ORDERING INFORMATION
Part number
Temperature range
Package
SX1701I085TRT -40 °C to +85 °C
Lead Free
MLPQ-16
Note: This device is WEEE and RoHS compliant.
RF IN
+ 5.0 V
SX1701
VDD2
VDD1
GND
IN
DEC
G3(1:0)
OUTP3
OUTM3
G2(1:0)
OUTP2
OUTM2
G1(1:0)
OUTP1
OUTM1
Silicon Tuner
TV
Tuner
PIP
Tuner
DVR
Tuner
V1.11_STD – August 20th, 2008
Gain control
1/13
www.semtech.com

1 Page





SX1701 pdf, ピン配列
ADVANCED COMMUNICATION & SENSING PRODUCTS
SX1701
www.DaDtaaSthaesehte4eU.tcom
1 SIMPLIFIED BLOCK DIAGRAM
The simplified block diagram of the SX1701 is illustrated below in Figure 1.
The amplifier comprises two main stages. The first stage is common to all channels and performs the single-ended
to differential conversion. The second stage, duplicated for all channels, is implemented as two cascaded stages and
performs independently the gain control for each channel.
16 15 14 13
VDD1 1
VDD2 2
SX1701
12 G2(1)
11 OUTP2
IN 3
DEC 4
17
GND
10 OUTM2
9 G2(0)
5678
Figure 1. Simplified block diagram of the SX1701.
V1.11_STD – August 20th, 2008
3/13
www.semtech.com


3Pages


SX1701 電子部品, 半導体
ADVANCED COMMUNICATION & SENSING PRODUCTS
SX1701
www.DaDtaaSthaesehte4eU.tcom
3.2.2 Electrical Specifications
The table below gives the electrical specifications of the LNA under the following conditions:
VDD = 5.0 V, Temperature = 25 °C, Input frequency = 1 GHz, Gain = 18 dB, Pin = -20dBm, unless otherwise specified.
Symbol
RIN
ROUT
FR
G
Description
Input impedance
Output impedance
Frequency range
Gain
GFLAT
NF
Gain Flatness
Noise figure
P1dB
OIP3
Output P1dB compression point
Output 3rd order intermodulation (differential)
OIP2
IDD
Output 2nd order intermodulation (differential)
Current consumption
IRL
ORL
ISOUTIN
ISOUTOUT
Input Return loss
Output Return loss
RF out to RF in Isolation
RF out i to RF out j isolation
ISOUTDWN
CMRR
VESD
RF in to RF out isolation in shut down mode
Common mode rejection at the output
ESD robustness on all pins
Condition
Single-ended
Differential
S21
Programmable
Rs = 75 , maximum gain
Rs = 75
G = 18 dB
G = 12 dB
G = 6 dB
f1 = 1.0 GHz
f2 = 1.1 GHz
G = 18 dB
G = 12 dB
G = 6 dB
f1 = 1.0 GHz @ f1 + f2
f2 = 1.1 GHz @ f2 - f1
1 channel enabled
2 channels enabled
3 channels enabled
-20.log(ls11l)
-20.log(ls i il)
-20.log(ls1 il)
-20.log(ls i jl)
G = 18 dB
G = 12 dB
G = 6 dB
-20.log(ls i1l)
HBM
Min
-
-
0.04
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
50
-
-
-
-
-
3
Table 5. Electrical Specifications.
Typ
75
100
-
6
12
18
±1
7
9
13
13
22
21
19
53
57
130
200
270
15
20
-
25
30
35
50
20
-
Max Unit
-
-
2.5 GHz
-
- dB
-
- dB
-
- dB
-
- dBm
-
- dBm
-
-
- dBm
-
- mA
-
dB
dB
- dB
-
- dB
-
- dB
- dB
- kV
V1.11_STD – August 20th, 2008
6/13
www.semtech.com

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