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PDF RFDA0025 Data sheet ( Hoja de datos )

Número de pieza RFDA0025
Descripción DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER
Fabricantes RF Micro Devices 
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RFDA0025Dig-
ital Controlled
Variable Gain
Amplifier
RFDA0025
DIGITAL CONTROLLED VARIABLE GAIN
AMPLIFIER
Package: MCM 32-Pin, 5.2mmx5.2mm
Features
50MHz to 850MHz Operation
6-Bit Digital Step Attenuator
Serial Control Interface
31.5dB Attenuation Range
(0.5dB Step)
High OIP3/P1dB=+42/20dBm
Single +5V Supply
Footprint Compatible with 32-Pin
5mmx5mm QFN
Applications
Transceiver IF DVGA
Cellular, PCS, 3G Infrastructure
Wireless Data, Satellite
Terminals
32 31 30 29 28 27 26 25
AMPIN 1
24 NC
GND 2
GND 3
6-bit SPI
23 NC
22 NC
ATTOUT 4
21 NC
ACG1 5
ACG2 6
DSA
20 NC
19 NC
ACG3 7
18 NC
ACG4 8
9
10 11 12
13 14
17 Vdd
15 16
E-pad
GND
Functional Block Diagram
Product Description
RFMD’s RFDA0025 is a digital controlled variable gain amplifier featuring high lin-
earity over the entire gain control range. The 6-bit digital step attenuator is pro-
grammed with a serial mode control interface. The RFDA0025 is packaged in a
small 5.2mmx5.2mm leadless laminate MCM with plated through thermal vias for
ultra low thermal resistance. The footprint for this module is directly compatible
with most 32-pin 5mmx5mm QFNs. The amplifier’s bias choke and DC blocks are
external, allowing for optimum performance over specific bands within 50MHz to
850 MHz.
DS120817
Ordering Information
RFDA0025SQ
Sample bag with 25 pieces
RFDA0025SR
7” Reel with 100 pieces
RFDA0025R7
7” Reel with 750 pieces
RFDA0025R13
13” Reel with 2500 pieces
RFDA0025PCK-410 50MHz to 850MHz PCBA with 5-piece sample bag
Optimum Technology Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT
SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
BiFET HBT
LDMOS
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. ©2011, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
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1 page




RFDA0025 pdf
RFDA0025
1.00
0.75
0.50
0.25
Error
(dB) 0.00
-0.25
-0.50
-0.75
-1.00
0
Successive Step Error, 25C
150MHz
500MHz
850MHz
5 10 15 20 25 30
Attenuation (dB)
OIP3 over Temperature, Max Gain
46
44
42
OIP3
(dBm)
40
38
36
34
+25C
32 -40C
+85C
30
0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85
Frequency (GHz)
P1dB over Temperature, Max Gain
22
21
P1dB
(dBm)
20
19
18 +25C
-40C
+85C
17
0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85
Frequency (GHz)
OIP3, Major States, 25C, POUT/tone=0dBm
46
44
42
40
OIP3
(dBm) 38
36
34 0dB 0.5dB
1dB 2dB
32 4dB 8dB
16dB
30
0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85
Frequency (GHz)
46
44
42
40
OIP3
(dBm) 38
36
34
32
30
-5
OIP3 versus POUT, Max Gain, 150 MHz
25C
-40C
85C
-2 1 4 7
POUT per Tone (dBm)
10
DS120817
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
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5 Page





RFDA0025 arduino
RFDA0025
Package Drawing
5.2mmx5.2mm Laminate Module
5.20
Sq
1.36
0.46
3.75
Sq
Dimensions in millimeters
Pin 1
0.25 32 plcs
0.13
0.50 28 plcs
0.50 4 plcs
0.10 4 plcs
DS120817
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
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