ADA4303-2 Datasheet PDF - Analog Devices
| Part Number | ADA4303-2 | |
| Description | Low Cost Active RF Splitter | |
| Manufacturers | Analog Devices | |
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FEATURES
Ideal for CATV applications
Excellent frequency response
1.7 GHz, −3 dB bandwidth
1 dB flatness to 1.2 GHz
Low noise figure: 4.4 dB
Low distortion
Composite second order (CSO): −62 dBc
Composite triple beat (CTB): −72 dBc
1 dB compression point of 8.5 dBm
3 dB of gain per output channel
24 dB isolation between output channels
75 Ω input and outputs
Small package size
12-lead, 3 mm × 3 mm lead frame chip scale package
APPLICATIONS
Set-top boxes
Home gateways
CATV distribution systems
Splitter modules
Digital cable ready (DCR) TVs
GENERAL DESCRIPTION
The ADA4303-2 is a 75 Ω, two-output 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 ADA4303-2 is 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 ADA4303-2
is available in a 12-lead chip scale package (LFCSP_VQ) and
operates in the extended industrial temperature range of −40°C
to +85°C.
1:2 Single-Ended, Low Cost
Active RF Splitter
ADA4303-2
FUNCTIONAL BLOCK DIAGRAM
5V 5V
0.1µF
0.1µF
1µH
VCC
IL
0.01µF
VIN
VO1
ADA4303-2
0.01µF
VO2
0.01µF
GND
249Ω
249Ω
Figure 1.
4
TA = –40°C
3
2
1 TA = +25°C
0
TA = +85°C
–1
–2
–3
–4
–5
–6
–7
–8
50
100
1000
FREQUENCY (MHz)
4000
Figure 2. Gain (S21) vs. Frequency
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VCC 1
VIN 2
GND 3
PIN 1
INDICATOR
ADA4303-2
TOP VIEW
9 VO1
8 VO2
7 GND
Table 4. Pin Function Descriptions
Pin No.
Mnemonic Description
1 VCC Supply Pin
2 VIN Input
3 GND Ground
4 GND Ground
5 GND Ground
6 NC No Connection
7 GND Ground
8 VO2 Output 2
9 VO1 Output 1
10 NC No Connection
11 IL
Bias Pin
12 VCC Supply Pin
NC = NO CONNECT
Figure 4. Pin Configuration
ADA4303-2
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ADA4303-2 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ADA4303-2.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| ADA4303-2 | The function is Low Cost Active RF Splitter. Analog Devices | |
| ADA4303-2 | The function is Low Cost Active RF Splitter. Analog Devices | |
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