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RF Micro Devices

RFSA2013 Datasheet Preview

RFSA2013 Datasheet

VOLTAGE CONTROLLED ATTENUATOR

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RFSA2013
Voltage Con-
trolled Attenu-
ator
RFSA2013
VOLTAGE CONTROLLED ATTENUATOR
Package Style: QFN, 16-Pin, 0.9mm x 3mm x 3mm
Features
Patented Circuit Architecture
Broadband 50MHz to 6000MHz
Frequency Range
30dB Attenuation Range
+50dBm IIP3 Typical
+80dBm IIP2 Typical
High 1dB Compression
Point >+30dBm
Low Supply Current 1mA Typical
5V Power Supply
Linear in dB Control
Characteristic
Internal Temperature
Compensation
Class 1C ESD (1000V)
3.3V Version Available
(RFSA2023)
Complete Solution in a Small
3mm x 3mm, QFN Package
Applications
Cellular, 3G Infrastructure
WiBro, WiMax, LTE
Microwave Radio
High Linearity Power Control
GND 1
NC 2
16 15 14 13
CONTROL
BLOCK
12 GND
11 NC
RFIN 3
NC 4
5
ATTEN
67
8
10 RFOUT
9 NC
Functional Block Diagram
Product Description
RFMD's RFSA2013 is a fully monolithic analog voltage controlled attenuator (VCA) featuring
exceptional linearity over a typical temperature compensated 30dB gain control range. It incor-
porates a revolutionary new circuit architecture to solve a long standing industry problem: high
IP3, high attenuation range, low DC current, broad bandwidth and temperature compensated
linear in dB control voltage characteristic. This voltage controlled attenuator is controlled by a
single positive control voltage with on chip DC conditioning circuitry. The slope of the control
voltage versus gain is selectable. The RFSA2013 draws a very low 1mA current and is packaged
in a small 3mm x 3mm QFN. This attenuator is matched to 50over its rated control range and
frequency with no external matching components required. Typical VCA's in this performance
category have poor inherent attenuation versus temperature and poor nonlinear attenuation
versus control voltage characteristics. To correct these shortcomings, other VCA's require exten-
sive off chip analog support circuitry that consume valuable PCB area and additional DC power.
This game changing product incorporates the complete solution in a small 3mm x 3mm QFN
package that reduces the footprint by 20X in area and reduces the DC power by 10X over con-
ventional PIN diode approaches.
Ordering Information
RFSA2013SR
7” Sample reel with 100 pieces
RFSA2013SQ
Sample bag with 25 pieces
RFSA2013TR7
7” Reel with 2500 pieces
RFSA2013PCK-410 50MHz to 6000MHz PCBA with 5-piece sample bag
DS150622
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
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 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
1 of 17




RF Micro Devices

RFSA2013 Datasheet Preview

RFSA2013 Datasheet

VOLTAGE CONTROLLED ATTENUATOR

No Preview Available !

RFSA2013
Absolute Maximum Ratings
Parameter
Supply Voltage (VDD)
Control Voltage (VC)
Mode Pin Voltage (MODE)
RF Input Power
Storage Temperature
Junction Temperature
ESD Rating Human Body Model (HBM)
Rating
-0.5 to +6
-0.5 to +6
-0.5 to +6
+30
-65 to +150
+125
1000
Unit
V
V
V
dBm
°C
°C
V
Caution! ESD sensitive device.
Exceeding any one or a combination of the Absolute Maximum Rating conditions may
cause permanent damage to the device. Extended application of Absolute Maximum
Rating conditions to the device may reduce device reliability. Specified typical perfor-
mance or functional operation of the device under Absolute Maximum Rating condi-
tions is not implied.
The information in this publication is believed to be accurate and reliable. However, no
responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any
infringement of patents, or other rights of third parties, resulting from its use. No
license is granted by implication or otherwise under any patent or patent rights of
RFMD. RFMD reserves the right to change component circuitry, recommended appli-
cation circuitry and specifications at any time without prior notice.
RFMD Green: RoHS compliant per EU Directive 2002/95/EC, halogen free
per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric
materials and red phosphorus as a flame retardant, and <2% antimony in
solder.
Parameter
Specification
Min. Typ. Max.
Unit
Condition
General
Supply Voltage
Supply Current
4.75 5 5.25 V
1 mA
Operating Temperature (RF Input Power
Handling Derates Above 85°C)
-40
+105
°C
Thermal Resistance
RF Input Power at 85°C
RF Performance
45 °C/W RF input must be RFIN pin
27 dBm RF input must be RFIN pin
Frequency Range
Minimum Insertion Loss
Gain Control Range
Gain versus Temperature
Return Loss
Relative Phase
Input 1dB Compression Point
Input IP3
Input IP2
Input IH2
Input IH3
Control
50
6000
MHz
2.6 3.5 dB
30 33.2
dB DC to 4GHz
1.7
dB
Peak to peak gain variation over temperature
for fixed control voltage
15 dB
16.2
Deg
Insertion phase at 15dB attenuation relative to
minimum insertion loss
30 dBm
45 50
dBm PIN + (IM3dBC/2)
80 dBm PIN + IM2dBC, IM2 is F1+F2
85 dBm PIN + H2dBC, H2 is second harmonic
55 dBm PIN + (H3dBC/2), H3 is third harmonic
Voltage Control Range, Positive Attenuation
Slope
0.5
4.5 V 4.5V control voltage is lowest insertion loss,
MODE pin high
Voltage Control Range, Negative
Attenuation Slope
0
3.3
V
0V control voltage is lowest insertion loss,
MODE pin low
Voltage Control Pin Current (MODE High) 37 A VC Pin at 5V
Voltage Control Pin Current (MODE Low) 24 A VC Pin at 3.3V
MODE Pin Logic Low
0.4 V
MODE Pin Logic High
1
V
Settling Time
15 sec 1dB attenuation change settling within 0.1dB
Note: Typical performance at nominal conditions unless otherwise noted: Supply voltage = 5.0V, Operating temperature = 25°C, RF Frequency
2GHz
2 of 17
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
DS150622


Part Number RFSA2013
Description VOLTAGE CONTROLLED ATTENUATOR
Maker RF Micro Devices
Total Page 17 Pages
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