RFSA2624 Serial Controlled Digital Step AttenuatoR 50MHz to 4000MHz, 6Bit, 0.5dB LSB
RFSA2624
SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz to 4000MHz, 6-BIT, 0.5dB LSB
Package: MCM, 24-Pin, 4.2mmx4.2mm
Features
Frequency Range 50MHz to 4000MHz 6-Bits, 31.5dB Range, 0.5dB Step High Linearity, OIP3>48dBm through over 700MHz to 2700MHz 3V and 5V Logic Compatible Serial-to-Parallel Controller Serial Programming Interface Power-up Programming Modes On-chip ESD Protection >500V HBM Single Supply, 3V to 5V Operation Footprint compatible with most 24-pin, 4mm QFNs Functional Block Diagram
Product Description
RFMD’s RFSA2624 is a 6-bit Digital Step Attenuator (DSA) that features high linearity over the entire 31.5dB gain control range with excellent step accuracy in 0.5dB steps. The RFSA2624 is programmed via a serial mode control interface that is both 3V and 5V compatible. The RFSA2624 also offers a rugged Class 1B HBM ESD rating via on-chip ESD circuitry. The MCM package is footprint compatible with most 24-pin, 4mm, QFN packages.
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Applications
Transceiver IF Applications Cellular, PCS, GSM, UMTS, LTE, WiMax/WLAN Wireless Data, Satellite Terminals Test Equipment
Ordering Information
RFSA2624SR RFSA2624SQ RFSA2624TR7 RFSA2624TR13 RFSA2624PCK-410 7” Reel with 100 pieces Sample bag with 25 pieces 7” Reel with 750 pieces 13” Reel with 2500 pieces 50MHz to 4000MHz 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 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. ©2006, RF Micro Devices, Inc.
DS110408
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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Datasheet pdf - http://www.DataSheet4U.co.kr/
RFSA2624
Absolute Maximum Ratings Parameter
Supply Voltage DC Supply Current Power Dissipation Max RF Input Power Operating Temperature (TCASE) Storage Temperature Junction Temperature ESD Rating (HBM) Moisture Sensitivity Level
Rating
+5.5 15 83 27 -40 to +85 -40 to +150 150 Class 1B MSL3
Unit
V mA mW dBm °C °C °C
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 performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). 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 application circuitry and specifications at any time without prior notice.
Parameter
Frequency Range Insertion Loss
Min.
50
Specification Typ.
1.5 1.7 2.3 2.5
Max.
4000 1.9 2.8
Unit
MHz dB dB dB dB dB dB dBm dBm
Condition
150MHz, 0dB attenuation 850MHz, 0dB attenuation 2700MHz, 0dB attenuation 3800MHz, 0dB attenuation 0.5dB step size 700MHz to 2700MHz, all states 700MHz to 2700MHz, all states 700MHz to 2700MHz, all states Serial Interface tRISE, tFALL (10%/90% RF) tON, tOFF (50% CTL to 10%/90% RF)
Gain Control Range Step Accuracy Input IP3 (0 - 15.5dB states) Input P1dB Return Loss Control Interface Settling Time Switching Speed Supply Voltage (VDD) Supply Current Control Voltage (VCTL) 0 2.0 4.75
31.5 ±(0.15+5.0% attenuation setting) 48 27
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13 6 250 250 5.0 5 0.8 VDD 5.25
dB bit nS nS V mA V V
Low High
Notes: 1. VDD =5V, VCTL =3V, T=25°C 2. Broadband Application Circuit (with ACG capacitors) 3. IIP3 measured with Pin=+10dBm/tone, 1MHz spacing
2 of 9
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or
[email protected].
DS110408
Datasheet pdf - http://www.DataSheet4U.co.kr/
RFSA2624
Typical Performance - Broadband Application Circuit (25°C)
Insertion Loss (De-embedded)
0.0 -0.5 Insection Loss (dB) -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 0.0 0.5 1.0 1.5 2.0 2.5 Frequency (GHz) 3.0 3.5 4.0
25C -40C 85C
Normalized Attenuation, MajorStates
0 -5 -10 Attenuation (dB) -15 -20 -25 -30 -35 -40 0.0 0.5 1.0 1.5 2.0 2.5 Frequency (GHz) 3.0 3.5 4.0
0.5 2 8 31.5 .