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PDF RFSA2714 Data sheet ( Hoja de datos )
| Número de pieza | RFSA2714 | |
| Descripción | Parallel Controlled Digital Step Attenuator | |
| Fabricantes | RF Micro Devices | |
| Logotipo |  |
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RFSA2714Par-
allel Controlled
Digital Step
Attenuator,
50MHz to
4000MHz
RFSA2714
Parallel Controlled Digital Step Attenuator,
50MHz to 4000MHz
Package: QFN, 24-Pin, 4.2mm x 4.2mm
24 23 22 21 20 19
Features
Frequency Range 50MHz to
4000MHz
7-Bit, 31.75dB Range, 0.25dB
Step
High Linearity, IP3 >50dBm
3V and 5V Logic Compatible
On-chip Parallel Decoder
Parallel Programming Interface
On-chip ESD Protection >500V
HBM
Single Supply, 3V to 5V Operation
Applications
Transceiver IF Applications
Cellular, PCS, GSM, UMTS, LTE,
WiMax/WiFi
Wireless Data, Satellite
Terminals
Test Equipment
C0.25
VDD
N/C
RF1
N/C
N/C
1
2
3
4
5
6
Logic Circuit
7 Bit DSA
18 N/C
17 N/C
16 N/C
15 RF2
14 N/C
13 N/C
7 8 9 10 11 12
Functional Block Diagram
Product Description
RFMD's RFSA2714 is a 7-bit digital step attenuator (DSA) that features high linearity
over the entire 31.75dB gain control range with excellent step accuracy in 0.25dB
steps. The parallel-controlled RFSA2714 has an on-chip decoder that is both 3V and
5V compatible. The RFSA2714 also offers a rugged Class 1B HBM ESD rating via
on-chip ESD circuitry.
Ordering Information
RFSA2714SR
RFSA2714SQ
RFSA2714TR13
RFSA2714PCK-410
7” Sample reel with 100 pieces
Sample bag with 25 pieces
13” Reel with 2500 pieces
50MHz to 4GHz PCBA with 5-piece sample bag
DS130211
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2012, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 21127409-9421 · For sales or techni-
cal support, contact RFMD at (+1) 336-678-5570 or customerser-
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RFSA2714
Truth Table
C16 C8
11
11
11
11
11
11
10
01
00
Control Bit
C4 C2 C1
111
111
111
110
101
011
111
111
000
C0.5
1
1
0
1
1
1
1
1
0
Note: C0.25 = D0, C0.5 = D1, …, C16 = D6 (for the purpose of the example below)
C0.25
1
0
1
1
1
1
1
1
0
Relative Gain
Setting
Max gain
-0.25dB
-0.5dB
-1dB
-2dB
-4dB
-8dB
-16dB
-31.75dB
Logic Voltage Levels
State
Logic
Low 0V to 0.8V
High 2.0V to 5.0V
DS130211
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
5 of 9
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RFSA2714.PDF ] | |
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