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PDF ADA4302-4 Data sheet ( Hoja de datos )
| Número de pieza | ADA4302-4 | |
| Descripción | Active RF Splitter | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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FEATURES
Single 5 V supply
54 MHz to 865 MHz CATV operating range
4.6 dB of gain per output channel
4.4 dB noise figure
25 dB isolation between output channels
−16 dB input return loss
CSO of −73 dBc (135 channels, 15 dBmV per tone)
CTB of −66 dBc (135 channels, 15 dBmV per tone)
1.3 GHz, −3 dB bandwidth
APPLICATIONS
Cable set-top boxes
Home gateways
CATV distribution systems
Cable splitter modules
GENERAL DESCRIPTION
The ADA4302-4 is used as an active element in applications
where a lossless signal split is required. Typical applications
include multituner cable set-top boxes, cable splitter modules,
multituner televisions, and home gateways where traditional
solutions have consisted of discrete passive splitters followed by
separate fixed gain amplifiers. The ADA4302-4 is a low cost
alternative solution that simplifies designs and improves system
performance by integrating a signal splitter element and gain
element into a single IC solution.
The ADA4302-4 features four differential outputs. The
differential architecture allows systems designed with the
ADA4302-4 to maintain excellent linearity throughout the
CATV band. The ADA4302-4 can also be configured for
applications that require fewer than four outputs. Outputs
can be configured independently from one another.
Active RF Splitter
ADA4302-4
FUNCTIONAL BLOCK DIAGRAM
VCC
+
GND VCC
GND
J1
ILN
VIP
SPLITTER
VIN
ILP
VCC
GND
Figure 1.
VON4
VOP4
VON3
VOP3
VON2
VOP2
VON1
VOP1
–55
–60
–65
TA = +85°C
–70
TA = +25°C
–75
TA = –40°C
–80
–85
50
100
FREQUENCY (MHz)
Figure 2. Composite Second-Order (CSO) vs. Frequency
1000
Rev. B
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
© 2005 Analog Devices, Inc. All rights reserved.
1 page  
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VOP4 1
VON4 2
VCC 3
VCC 4
ILN 5
PIN 1
INDICATOR
ADA4302-4
TOP VIEW
(Not to Scale)
15 VON3
14 VOP3
13 VCC
12 VCC
11 ILP
Figure 3. 20-Lead LFCSP_VQ Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
Mnemonic
1 VOP4
2 VON4
3, 4, 12, 13
VCC
5 ILN
6, 10, 18
GND
7 VIP
8 GNDC
9 VIN
11 ILP
14 VOP3
15 VON3
16 VOP2
17 VON2
19 VOP1
20 VON1
Description
Positive Output 4
Negative Output 4
Supply Pin
Bias Pin
Ground
Positive Input
Ground
Negative Input
Bias Pin
Positive Output 3
Negative Output 3
Positive Output 2
Negative Output 2
Positive Output 1
Negative Output 1
ADA4302-4
Rev. B | Page 5 of 12
5 Page 
OUTLINE DIMENSIONS
ADA4302-4
PIN 1
INDICATOR
4.00
BSC SQ
TOP
VIEW
3.75
BCS SQ
0.60
MAX
0.60
MAX
16
15
PIN 1
INDICATOR
20 1
12° MAX
1.00
0.85
0.80
SEATING
PLANE
0.50
BSC
0.80 MAX
0.65 TYP
0.20
REF
0.75
0.55
0.35
11
10
0.05 MAX
0.02 NOM
COPLANARITY
0.08
0.30
0.23
0.18
5
6
2.25
2.10 SQ
1.95
0.25 MIN
COMPLIANT TO JEDEC STANDARDS MO-220-VGGD-1
Figure 18. 20-Lead Lead Frame Chip Scale Package [LFCSP_VQ]
4 mm × 4 mm Body, Very Thin Quad
(CP-20-1)
Dimensions shown in millimeters
ORDERING GUIDE
Model
ADA4302-4ACP-REEL
ADA4302-4ACP-RL7
ADA4302-4ACPZ-RL1
ADA4302-4ACPZ-RL71
ADA4302-4ACPZ-R21
ADA4302-4ACPZ-EBSE2
ADA4302-4ACPZ-EBDI2
Ordering Quantity
5,000
1,500
5,000
1,500
250
1
1
1 Z = Pb-free part.
2 Evaluation board contains Pb-free part.
Temperature Range
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
Package Description
20-Lead LFCSP_VQ
20-Lead LFCSP_VQ
20-Lead LFCSP_VQ
20-Lead LFCSP_VQ
20-Lead LFCSP_VQ
Single-Ended Evaluation Board
Differential Output Evaluation Board
Package Option
CP-20-1
CP-20-1
CP-20-1
CP-20-1
CP-20-1
Rev. B | Page 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ADA4302-4.PDF ] | |
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