SX1701 데이터 시트보기 (PDF) - Semtech Corporation

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SX1701

Highly linear wideband LNA Multi-channel, single-ended to differential conversion

Semtech Corporation 

ADVANCED COMMUNICATION & SENSING PRODUCTS

SX1701

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 Ω Input impedance

• 100 Ω 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

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