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PDF ADA4304-2 Data sheet ( Hoja de datos )
| Número de pieza | ADA4304-2 | |
| Descripción | 1:2 Single-Ended Low Cost Active RF Splitter | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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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
www.DataSheet4U.com Splitter modules
Digital cable ready (DCR) TVs
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.
1:2 Single-Ended, Low Cost,
Active RF Splitter
ADA4304-2
FUNCTIONAL BLOCK DIAGRAM
5V 5V
0.1µF
0.1µF
1µH
VCC
IL
0.01µF
VIN
VOUT1
ADA4304-2
VOUT2
0.01µF
0.01µF
GND
Figure 1.
4
TA = –40°C
3
2
1 TA = +85°C
0 TA = +25°C
–1
–2
–3
–4
–5
–6
–7
–8
50
100
1000
FREQUENCY (MHz)
4000
Figure 2. Gain (S21, S31) 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
©2007 Analog Devices, Inc. All rights reserved.
1 page  
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADA4304-2
Table 4. Pin Function Descriptions
Pin No.
1, 2, 15, 16
3, 5 to 7, 9, 11
4
8, 13
10
12
14
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VCC 1
VCC 2
GND 3
VIN 4
PIN 1
INDICATOR
ADA4304-2
TOP VIEW
(Not to Scale)
12 VOUT1
11 GND
10 VOUT2
9 GND
NC = NO CONNECT
Figure 4. Pin Configuration
Mnemonic
VCC
GND
VIN
NC
VOUT2
VOUT1
IL
Description
Supply Pin
Ground
Input
No Connection
Output 2
Output 1
Bias Pin
Rev. 0 | Page 5 of 12
5 Page 
ADA4304-2
OUTLINE DIMENSIONS
3.00
BSC SQ
PIN 1
INDICATOR
TOP
VIEW
2.75
BSC SQ
0.60 MAX
0.50
0.40
0.30
0.45
1213 16 1
EXPOSED
PAD
PIN 1
INDICATOR
1.25
1.10 SQ
0.95
12° MAX
1.00
0.85
0.80
SEATING
PLANE
0.30
0.23
0.18
0.80 MAX
0.65 TYP
0.50
BSC
9
(BOTTOM
8
VIEW)
5
4
1.50 REF
0.05 MAX
0.02 NOM
0.20 REF
0.25 MIN
COMPLIANT TO JEDEC STANDARDS MO-220-VEED-2
Figure 23. 16-Lead Lead Frame Chip Scale Package [LFCSP_VQ]
3 mm × 3 mm Body, Very Thin Quad
(CP-16-1)
Dimensions shown in millimeters
ORDERING GUIDE
Model
ADA4304-2ACPZ-RL1
www.DataSheet4U.com ADA4304-2ACPZ-R71
ADA4304-2ACPZ-R21
Temperature Range
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
1 Z = RoHS Compliant Part.
Package Description
16-Lead LFCSP_VQ
16-Lead LFCSP_VQ
16-Lead LFCSP_VQ
Package Option
CP-16-1
CP-16-1
CP-16-1
Ordering Quantity
5,000
1,500
250
Branding
H0Z
H0Z
H0Z
Rev. 0 | Page 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ADA4304-2.PDF ] | |
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