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RFSA2113 Datasheet Preview

RFSA2113 Datasheet

Wide Bandwidth Voltage Controlled Attenuator

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rfmd.com
RFSA2113
Wide Bandwidth Voltage Controlled Attenuator
Package Style: MCM, 16-Pin, 1.175mm x 3.2mm x3.2mm
Features
Patent Pending Circuit
Architecture
Broadband 50MHz to 18,000MHz
Frequency Range
30dB Attenuation Range
+45dBm IIP3 Typical
+75dBm IIP2 Typical
High 1dB Compression Point
29dBm
Low Supply Current 2mA Typical
3 to 5V Power Supply
Linear in dB Control
Characteristic
Internal Temperature
Compensation
Class 1C ESD ( 1000V )
Complete Solution in a Small
3.2mm x 3.2mm, QFN Package
Applications
Point to Point Radio
Test Instrumentation
Microwave Radio
High Linearity Power Control
EN 1
GND 2
RFIN 3
GND 4
CONTROL
BLOCK
ATTEN
12 GND
11 GND
10 RFOUT
9 GND
Functional Block Diagram
Product Description
RFMD’s RFSA2113 is a fully monolithic analog voltage controlled attenuator
(VCA) featuring exceptional linearity over a typical temperature compensated
30dB gain control range. The RFSA2113 features a wide bandwidth up to 18GHz.
It incorporates 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 polarity of the
control voltage versus gain is selectable. The RFSA2113 draws a very low 2mA
current. This attenuator is matched to 50Ω over its rated control range and
frequency with no external matching components required. Typical VCA’s in this
performance are based on compound semiconductor GaAs FET MMICs that
require 1 to 2 negative voltages for control. This game changing product
incorporates the complete solution in a small 3.2mm x 3.2mm MCM package
that reduces the footprint in area and simplifies the control aspects over
conventional compound semiconductor attenuator approaches.
Ordering Information
RFSA2113SR
RFSA2113SQ
RFSA2113TR13
RFSA2113PCK-410
7” Reel with 100 pieces
Sample bag with 25 pieces
13Reel with 2500 pieces
50MHz to 18,000MHz PCBA with 5-piece sample bag
DS140616
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ an d UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trademark
owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademark s are the property of their respective owners. ©2006, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 27409-9421 ∙ For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
1 of 18




RF Micro Devices

RFSA2113 Datasheet Preview

RFSA2113 Datasheet

Wide Bandwidth Voltage Controlled Attenuator

No Preview Available !

RFSA2113
Absolute Maximum Ratings
Parameter
Rating
Unit
Supply Voltage (VDD)
SLOPE, VC, EN Pins
-0.5 to 6
-0.5 to 6
V
V
RF Input Power Note 1
+23 dBm
Operating Temperature
-40 to +85
°C
Storage Temperature
-55 to +150
°C
Junction Temperature
+125
°C
ESD Rating (HBM)
1000
V
Note 1: Peak power of +29dBm allowable when RMS power does not
exceed +23dBm.
rfmd.com
Parameter
Specification
Min. Typ. Max.
Unit
Condition
General
Supply Voltage
Supply Current
Operating Temperature
Thermal Resistance
RF Input Power
RF Performance
Frequency Range
Minimum Insertion Loss
Gain Control Range
Gain vs. Temperature
Return Loss
Relative Phase
Input 1dB Compression Point
Input IP3
Input IP2
Input IH2
Input IH3
Control
Voltage Control Range, Positive
Attenuation Slope
Voltage Control Range, Negative
Attenuation Slope
Voltage Control Pin Current
SLOPE and EN Pins Logic Low
SLOPE and EN Pins Logic High
Settling Time
3.0 5 5.5 V Internal Voltage Regulator
2 3.5 mA
-40 85 °C
175 °C/W RF input must be RFIN pin
23
dBm
Continuous RMS operation at the RFIN pin
50
18000
MHz
2 dB 1GHz
3 dB 10GHz
4.5 dB 18GHz
34 dB 1GHz
32 dB 10GHz
28 dB 18GHz
1
dB
Peak to peak gain variation over
temperature for fixed control voltage
15 dB
22
Deg
Insertion phase at 15dB attenuation
relative to minimum insertion loss
29
dBm
Peak power of +29dBm allowable when
RMS power does not exceed +23dBm
45
dBm
PIN + (IM3dBC/2)
75
dBm
PIN + IM2dBC, IM2 is F1+F2
80
dBm
PIN + H2dBC, H2 is second harmonic
50
dBm
PIN + (H3dBC/2), H3 is third harmonic
0 2.5 V 2.5V control voltage is lowest insertion
loss, SLOPE pin logic high
0 2.5 V 0V control voltage is lowest insertion loss,
SLOPE pin logic low
1.2 µA VC pin set to 2.5V
0.4 V
1V
2
µsec
1dB attenuation change settling within
0.1dB of final value.
Note: Typical performance at nominal conditions unless otherwise noted: Supply voltage=5.0V, Operating temperature=25°C, RF Frequency 10GHz
2 of 18
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
DS140616


Part Number RFSA2113
Description Wide Bandwidth Voltage Controlled Attenuator
Maker RF Micro Devices
Total Page 18 Pages
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