ADA4304-2ACPZ-R2 datasheet(1/10 Pages) AD

部件名	ADA4304-2ACPZ-R2

功能描述	1:2 Single-Ended, Low Cost, Active RF Splitter

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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1 / 10 page

1:2 Single-Ended, Low Cost,

Active RF Splitter

Data Sheet

ADA4304-2

Rev. A

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FEATURES

Ideal for CATV and terrestrial applications

Excellent frequency response

1.6 GHz, −3 dB bandwidth

1 dB flatness to 1.0 GHz

Low noise figure: 4.0 dB

Low distortion

Composite second order (CSO): −62 dBc

Composite triple beat (CTB): −72 dBc

1 dB compression point of 8.25 dBm

2.8 dB of gain per output channel

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

75 Ω input and outputs

Integrated output resistors

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 DIAGRAM

VIN

VOUT2

VOUT1

GND

VCC

0.01µF

IL

1µH

5V

ADA4304-2

0.01µF

0.1µF

Figure 1.

GENERAL DESCRIPTION

The ADA4304-2 is a 75 Ω active splitter for use in applications

where a lossless signal split is required. Typical applications

include multituner digital set-top boxes, cable splitter modules,

multituner/digital cable ready (DCR) televisions, and home

gateways where traditional solutions require discrete passive

splitter modules with separate fixed gain amplifiers.

The ADA4304-2 is fabricated using Analog Devices, Inc.

proprietary silicon-germanium (SiGe), complementary bipolar

process, enabling it to achieve very low levels of distortion with

a noise figure of 4 dB. The part provides a low cost alternative

that simplifies designs and improves system performance by

integrating a signal splitter element and a gain block into a single

IC. The ADA4304-2 is available in a 16-lead LFCSP and operates

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

–8

–7

–6

–5

–4

–3

–2

–1

0

1

2

3

4

100

50

1000

4000

TA = –40°C

FREQUENCY (MHz)

TA = +85°C

TA = +25°C

Figure 2. Gain (S21, S31) vs. Frequency

类似零件编号 - ADA4304-2ACPZ-R2

制造商	部件名	数据表	功能描述
Analog Devices	ADA4304-2ACPZ-R2	411Kb / 12P	1:2 Single-Ended, Low Cost, Active RF Splitter 5/07-Revision 0

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