DATA SHEET AA280-25, AA280-25LF: GaAs IC 5-Bit Digital Attenuator 0.5 dB LSB 300 kHz–2 GHz Pin Out Features Attenuation 0.5 dB steps to 15.5 dB with high accuracy ● Low DC power consumption ● Low-cost SOIC-16 plastic package ● Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C per JEDEC J-STD-020 ● J1 GND GND GND GND GND GND J2 16 15 14 13 12 11 10 9 8 dB 4 dB 2 dB 1 dB 0.5 dB Description The AA280-25 is a 5-bit, GaAs IC FET digital attenuator in a lowcost SOIC-16 package. This attenuator has an LSB of 0.5 dB and a total attenuation of 15.5 dB. The AA280-25 is particularly suited where high attenuation accuracy, low insertion loss and low intermodulation products are required. Typical applications include cellular radio, wireless data, wireless local loop and other gain level control circuits. NEW 1 2 3 4 5 6 7 8 V8 V7 V6 V5 V4 V3 V2 V1 Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 200216 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2006 1 DATA SHEET • AA280-25, AA280-25LF Electrical Specifications at -40 °C to +85 °C (0, -5 V) Parameter(1) Condition Insertion loss(2) Frequency Min. 300 kHz–0.5 GHz 300 kHz–1.0 GHz 300 kHz–2.0 GHz Attenuation range 300 kHz–1.0 GHz 300 kHz–2.0 GHz (I/O)(3) Unit 1.3 1.7 2.0 dB dB dB Intermodulation intercept point (IP3) 1.4:1 10/90% or 90%/10% RF 50% CTL to 90%/10% RF TRISE = 1 ns, BW = 500 MHz Input power for 1 dB compression For two-tone input power 5 dBm Thermal resistance dB ± (0.2 + 3% of Attenuation setting in dB) ± (0.4 + 3% of Attenuation setting in dB) 300 kHz–2.0 GHz Switching characteristics Rise, fall On, off Video feedthru Control voltages Max. 1.1 1.4 1.7 15.5 Attenuation accuracy(2) VSWR Typ. dB 1.8:1 15 25 25 ns ns mV 0.5–2.0 GHz 0.05 GHz 24 17 29 22 dBm dBm 0.5–2.0 GHz 0.05 GHz 44 35 50 40 dBm dBm 85 °C/W VLow = 0 to 0.2 V @ 20 µA max. VHigh = -5 V @ 300 µA max. 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. Attenuation referenced to insertion loss. 3. Input/Output. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 dB June 8, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200216 Rev. B DATA SHEET • AA280-25, AA280-25LF Typical Performance Data (0, -5 V) -0.50 1.5 15.5 dB 1.4 -40 °C 8 dB 4 dB -1.00 85 °C VSWR Insertion Loss (dB) -0.75 25 °C -1.25 1.2 -1.50 1 dB Ins. Loss 0.5 dB 1.1 -1.75 -2.00 1.0 0 0.5 1.0 1.5 2.0 0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency VSWR vs. Frequency (25 ˚C) 58 1.5 25 °C 15.5 dB 56 8 dB 1.4 4 dB VSWR 85 °C 54 IP3 (dBm) 2 dB 1.3 -40 °C 52 2 dB 1.3 1.2 50 Ins. Loss 0.5 dB 1.1 48 1 dB 46 1.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 0.5 1.0 1.5 Attenuation (dB) Frequency (GHz) IP3 vs. Attenuation and Temperature VSWR vs. Frequency (85 ˚C) Compression Point vs. Attenuation, Voltage, and Temperature 2.0 1.5 15.5 dB Input Power @ 1 dB Compression 25 °C (dBm) 85 °C (dBm) -40 °C (dBm) 28.3 28.1 29.1 Attenuation State Ins. loss Control Voltage (V) -5 0.5 dB -5 28.5 28.3 29.4 1 dB -5 28.7 28.7 29.6 2 dB -5 28.4 28.3 29.1 4 dB -5 32.9 32.9 33.9 8 dB -5 36.8 36.8 36.8 15.5 dB -5 32.7 32.1 32.8 VSWR 1.4 8 dB 4 dB 1.3 2 dB 1.2 Ins. Loss 0.5 dB 1.1 1 dB 1.0 0 0.5 1.0 1.5 2.0 Frequency (GHz) VSWR vs. Frequency (-40 ˚C) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 200216 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2006 3 DATA SHEET • AA280-25, AA280-25LF 0.5 20 0.3 8 dB 0.2 4 dB Deviation from Nominal Insertion Phase (Deg.) Deviation from Nominal Attenuation (dB) 0.4 2 dB 0.1 0 -0.1 -0.2 15.5 dB -0.3 1 dB 0.5 dB 15 15.5 dB 10 2 dB 4 dB 5 8 dB 0 0.5 dB 1 dB -0.4 -0.5 -5 0 0.5 1.0 1.5 2.0 0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (25 ˚C) Attenuation Phase Accuracy vs. Frequency (25 ˚C) 20 0.5 0.3 8 dB 0.2 Deviation from Nominal Insertion Phase (Deg.) Deviation from Nominal Attenuation (dB) 0.4 2 dB 4 dB 0.1 0 -0.1 -0.2 -0.3 15.5 dB -0.4 1 dB 0.5 dB 15 15.5 dB 10 4 dB 8 dB 5 0 2 dB -0.5 1 dB 0.5 dB -5 0 0.5 1.0 1.5 0 2.0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (85 ˚C) Attenuation Phase Accuracy vs. Frequency (85 ˚C) 20 0.5 0.3 8 dB 0.2 4 dB Deviation from Nominal Insertion Phase (Deg.) Deviation from Nominal Attenuation (dB) 0.4 2 dB 0.1 0 0.5 dB -0.1 -0.2 15.5 dB -0.3 1 dB 15 15.5 dB 10 0 0.5 dB -0.4 -0.5 8 dB 4 dB 5 1 dB -5 0 0.5 1.0 1.5 2.0 0 0.5 1.0 1.5 Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (-40 ˚C) Attenuation Phase Accuracy vs. Frequency (-40 ˚C) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 2 dB June 8, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200216 Rev. B 2.0 DATA SHEET • AA280-25, AA280-25LF Typical Performance Data (0, -3 V) -0.50 0.5 0.4 Deviation from Nominal Attenuation (dB) Insertion Loss (dB) -0.75 -40 °C -1.00 85 °C -1.25 25 °C -1.50 -1.75 0.3 0.2 8 dB 0.1 4 dB 2 dB 0 -0.1 0.5 dB 1 dB -0.2 15.5 dB -0.3 -0.4 -2.00 -0.5 0 0.5 1.0 1.5 2.0 0 1.5 2.0 Insertion Loss vs. Frequency Attenuation Accuracy vs. Frequency (25 ˚C) 15.5 dB Deviation from Nominal Attenuation (dB) 1.4 8 dB VSWR 1.0 Frequency (GHz) 1.5 1.3 4 dB 2 dB 1.2 Ins. Loss 0.5 dB 1.1 1 dB 1.0 0 0.5 Frequency (GHz) 0.5 1.0 1.5 2.0 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 8 dB 2 dB 4 dB 0.5 dB 1 dB 15.5 dB 0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) VSWR vs. Frequency (25 ˚C) Attenuation Accuracy vs. Frequency (85 ˚C) 25 0.5 15 Deviation from Nominal Attenuation (dB) Deviation from Nominal Insertion Phase (Deg.) 0.4 20 15.5 dB 10 1 dB 4 dB 5 8 dB 0 2 dB 0.5 dB 0.3 0.2 8 dB 0.5 dB 2 dB 4 dB 0.1 0 -0.1 1 dB -0.2 15.5 dB -0.3 -0.4 -0.5 -5 0 0.5 1.0 1.5 2.0 0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Attenuation Phase Accuracy vs. Frequency (25 ˚C) Attenuation Accuracy vs. Frequency (-40 ˚C) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 200216 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2006 5 DATA SHEET • AA280-25, AA280-25LF Compression Point vs. Attenuation, Voltage, and Temperature 57 56 55 IP3 (dBm) Attenuation State Ins. loss 85 °C 54 53 52 25 °C 51 50 -40 °C 49 48 47 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Control Voltage (V) -3 Input Power @ 1 dB Compression 25 °C (dBm) 85 °C (dBm) -40 °C (dBm) 22.7 23.3 24.2 0.5 dB -3 23.5 24.2 25.1 1 dB -3 24.6 25 25.9 2 dB -3 22.9 23.4 24.3 4 dB -3 31.6 31.8 33.1 8 dB -3 31 28.7 26.4 15.5 dB -3 25 24.4 25 Attenuation (dB) IP3 vs. Attenuation and Temperature Absolute Maximum Ratings Characteristic Truth Table V1 V2 0.5 dB Bit 1 dB Bit V3 V4 2 dB Bit V5 V6 V7 4 dB Bit V8 8 dB Bit 2.0 W > 500 MHz 0/-8 V 0.5 W > 50 MHz 0/-8 V Attenuation J1–J2 Control voltage +0.2 V, -8 V Operating temperature -40 °C to +85 °C Storage temperature -65 °C to +150 °C -5 -5 -5 0 -5 0 -5 0 Reference I.L. 0 -5 -5 0 -5 0 -5 0 0.5 dB -5 0 -5 0 -5 0 -5 0 1 dB -5 -5 0 -5 -5 0 -5 0 2 dB -5 -5 -5 0 0 -5 -5 0 4 dB -5 -5 -5 0 -5 0 0 -5 8 dB 0 0 0 -5 0 -5 0 -5 15.5 dB max. atten. SOIC-16 0.050 (1.27 mm) BSC Pin 16 0.244 (6.20 mm) 0.228 (5.80 mm) Pin 1 Indicator Pin 1 0.020 (0.51 mm) 0.013 (0.33 mm) 0.068 (1.73 mm) Max. 0.049 (1.24 mm) 0.016 (0.41 mm) Value RF input power 0.016 Max. (0.41 mm) x 45˚ Chamfer Performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the Absolute Maximum specifications. Exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty. CAUTION: Although this device is designed to be as robust as possible, ESD (Electrostatic Discharge) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions must be employed at all times. Recommended Solder Reflow Profiles Refer to the “Recommended Solder Reflow Profile” Application Note. Tape and Reel Information Refer to the “Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation” Application Note. 8˚ Max. 0.394 (10.00 mm) 0.386 (9.80 mm) 0.010 (0.25 mm) 0.004 (0.10 mm) 0.0098 (0.25 mm) 0.0075 (0.19 mm) 0.158 (4.00 mm) 0.150 (3.80 mm) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 June 8, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200216 Rev. B DATA SHEET • AA280-25, AA280-25LF Copyright © 2002, 2003, 2004, 2005, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes. No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 200216 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2006 7