ADA4304-4ACPZ-R2 datasheet(1/11 Pages) AD

部件名	ADA4304-4ACPZ-R2

功能描述	1:3 and 1:4 Single-Ended, Low Cost Active RF Splitters

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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1:3 and 1:4 Single-Ended, Low Cost,

Active RF Splitters

Data Sheet

ADA4304-3/ADA4304-4

Rev. A

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FEATURES

Ideal for CATV and terrestrial applications

2.4 GHz, −3 dB bandwidth

1 dB flatness: 54 MHz to 865 MHz

Low noise figure: 4.6 dB

Low distortion

Composite second-order (CSO): −62 dBc

Composite triple beat (CTB): −72 dBc

Nominal 3 dB gain per output channel

25 dB output-to-output isolation, 50 MHz to 1000 MHz

75 Ω input and outputs

Small package size: 16-lead, 3 mm × 3 mm LFCSP

APPLICATIONS

Set-top boxes

Residential gateways

CATV distribution systems

Splitter modules

Digital cable ready (DCR) TVs

FUNCTIONAL BLOCK DIAGRAMS

VIN

VOUT3

VOUT1

GND

VCC

0.01µF

IL

1µH

5V

ADA4304-3

VOUT2

0.01µF

0.1µF

Figure 1.

VIN

VOUT3

VOUT1

GND

VCC

0.01µF

IL

1µH

5V

VOUT4

0.01µF

VOUT2

0.01µF

0.1µF

ADA4304-4

Figure 2.

GENERAL DESCRIPTION

The ADA4304-3/ADA4304-4 are 75 Ω active splitters for use in

applications where a lossless signal split is required. Typical

applications include multituner digital set-top boxes, cable

splitter modules, multituners/digital cable ready (DCR)

televisions, and home gateways where traditional solutions

require discrete passive splitter modules with separate fixed

gain amplifiers.

The ADA4304-3/ADA4304-4 are fabricated using the

Analog Devices, Inc., proprietary silicon germanium (SiGe),

complementary bipolar process, enabling them to achieve very

low levels of distortion with a noise figure of 4.6 dB. The parts

provide low cost alternatives that simplify designs and improve

system performance by integrating a signal splitter element and

a gain block into a single IC. The ADA4304-3/ADA4304-4 are

available in a 16-lead LFCSP and operate in the extended

industrial temperature range of −40°C to +85°C.

类似零件编号 - ADA4304-4ACPZ-R2

制造商	部件名	数据表	功能描述
Analog Devices	ADA4304-4	438Kb / 12P	Single-Ended, Low Cost, Active RF Splitters REV. 0

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