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RF Micro Devices

RFSA2534 Datasheet Preview

RFSA2534 Datasheet

Digital Step Attenuator

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RFSA2534
50MHz to 4000MHz, Digital Step Attenuator
RFMD’s RFSA2534 is a 5-bit digital step attenuator (DSA) that
features high linearity over the entire 15.5dB gain control range
with 0.5dB steps. The RFSA2534 uses serial control interface. It
has a low insertion loss of 1.3dB at 2GHz. Patent pending circuit
architecture provides Overshoot-free transient switching
performance The RFSA2534 is available in a 4.2mm x 4.2mm
laminate package that is footprint compatible with a 4mm x 4mm
QFN 24 lead package.
N/C
RFIN
N/C
N/C
D/C
N/C
SPI
N/C
RFOUT
N/C
N/C
VDD
N/C
RFSA2534
Package: QFN, 24-pin,
4.2mm x 4.2mm x 0.95mm
Features
5-Bit, 15.5dB Range, 0.5dB Step
Frequency Range 50MHz to
4000MHz
Overshoot-free Transient
Switching Performance
High Linearity, Input IP3 = 55dBm
Insertion Loss = 1.3dB at 2GHz
Serial Control Interface
Fast Switching Speed = 200ns
Single Supply 3V to 5V Operation
Applications
2G through 4G Base Stations
Point-to-Point
WiMax/WiFi
Test Equipment
Functional Block Diagram
Ordering Information
RFSA2534SQ
Sample bag with 25 pieces
RFSA2534SR
7" Reel with 100 pieces
RFSA2534TR13
13" Reel with 2500 pieces
RFSA2534PCK-410 50MHz to 4000MHz PCBA with 5-piece sample
bag
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.
DS150626
RF MICRO DEVICES® and RFMD® 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 trademarks are the property of their respective owners. ©2013, RF Micro Devices, Inc.
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RF Micro Devices

RFSA2534 Datasheet Preview

RFSA2534 Datasheet

Digital Step Attenuator

No Preview Available !

Absolute Maximum Ratings
Parameter
Supply Voltage (VDD)
All Other DC and Logic Pins
Maximum Input Power at RFIN Pins
Maximum Input Power at RFOUT Pins
Storage Temperature Range
ESD Rating - Human Body Model (HBM)
Moisture Sensitivity Level
Rating
-0.5 to +6.0
-0.5 to +6.0
+30
+27
-40 to +150
1000
MSL3
Unit
V
V
dBm
dBm
°C
V
Recommended Operating Condition
Parameter
Operating Temperature Range (RF Input Power handling
Derates Above 85°C
Operating Junction Temperature
Supply Voltage1
Specification Unit
Min Typ Max
-40 +105 °C
125 °C
2.7 5.5 V
Note 1: Device performance is constant over this range, LDO on chip
Caution! ESD sensitive device.
RFMD Green: RoHS status based on EU
Directive 2011/65/EU (at time of this
document revision), 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.
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 performance or
functional operation of the device under Absolute
Maximum Rating conditions is not implied.
Nominal Operating Parameters
Parameter
Specification
Unit
Min Typ Max
Condition
General Performance
Supply Current
Thermal Resistance
230
µA
Steady state operation, current draw during attenuation state transitions is
higher
78 °C/W
RF Input Power at RFIN Pin
27 dBm Continuous operation at +85°C case temperature
RF Performance
Frequency Range
50 4000 MHz
Insertion Loss
Attenuation Range
1.3 dB 2000MHz, 0dB attenuation
15.5 dB 0.5dB step size
Absolute Attenuation Error
± (0.2 + 4%)
dB
Input IP3
52 dBm
Input P0.1dB
Return Loss
30 dBm
15 dB 50MHz to 4000MHz, RFin and RFout pins, all attenuation states
Return Loss
Return Loss
Input and Output Impedance
18 dB 700MHz to 2300MHz, RFin and RFout pins, all attenuation states
22 2300MHz to 2700MHz, RFin and RFout pins, all attenuation states
50
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.
DS150626
RF MICRO DEVICES® and RFMD® 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 trademarks are the property of their respective owners. ©2013, RF Micro Devices, Inc.
2 of 12


Part Number RFSA2534
Description Digital Step Attenuator
Maker RF Micro Devices
Total Page 12 Pages
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