AA109-310LF

DATA SHEET AA109-310, AA109-310LF: GaAs IC 5-Bit Digital Attenuator With Serial-to-Parallel Driver 0.5–2.5 GHz Simplified Schematic Positive voltage operation (5 V) ● QFN 5 x 5 mm leadless package ● Integrated silicon serial-to-parallel driver ● Attenuation 1 dB steps to 31 dB ● Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C per JEDEC J-STD-020 ● VSS NEW Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging. J2 SERDATAOUT 16 dB SERDATAIN 8 dB Description The AA109-310 is a GaAs FET IC 5-bit digital attenuator with a serial-to-parallel driver packaged in a 32-leadless exposed pad plastic package. It is particularly suited where high attenuation accuracy, low insertion loss, and low intermodulation products are required. Typical applications include base station, wireless and wireless local loop gain control circuits. VDD LATCH ENABLE CLOCKIN Serial to Parallell Driver Features 4 dB 2 dB 1 dB RESET C1 C2 J1 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200204 Rev. D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 30, 2007 1 DATA SHEET • AA109-310, AA109-310LF Electrical Specifications at 25 °C VDD = 5 V, Z0 = 50 Ω, unless otherwise specified Parameter Condition Insertion loss Typ. Max. Unit 0.5–1.0 GHz 1.0–2.0 GHz 2.0–2.5 GHz Frequency Min. 2.0 2.7 3.1 2.4 3.1 3.6 dB dB dB 0.5–1.0 GHz ± (0.2 + 3% of attenuation setting in dB) ± (0.3 + 5% of attenuation setting in dB) ± (0.3 + 6% of attenuation setting in dB) Attenuation range(1, 2) 31 Attenuation accuracy(1, 2) 1.0–2.0 GHz 2.0–2.5 GHz VSWR (I/O) 0.5–2.5 GHz Switching characteristics Rise, fall On, off Video feedthru 1.5:1 10/90% or 90/10% RF 50% CTL to 90/10% RF TRISE = 1 ns, BW = 500 MHz dB dB dB dB 2.2:1 100 300 70 µs µs mV Input power for 1 dB compression VS = 3 V VS = 5 V 0.9–2.5 GHz 0.9–2.5 GHz 21 27 dBm dBm Intermodulation intercept point (IP3) For two-tone input power +5 dBm VS = 3 V VS = 5 V 0.9–2.5 GHz 0.9–2.5 GHz 41 45 dBm dBm 1. Attenuation value referenced above insertion loss. 2. Exposed pad must be connected to RF ground to obtain specified attenuation. DC Electrical Characteristics at 25 °C (VDD = 5 V) Parameter Symbol Input voltage high VIH (1) Input voltage low VIL (0) Min. Max. Unit 3.5 5 V 0.5 V IL ±0.5 µA Quiescent current IDD 500 µA Supply voltages VDD 5 V Input leakage current 0 Typ. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 2 April 30, 2007 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200204 Rev. D DATA SHEET • AA109-310, AA109-310LF Typical Performance Data (VDD = 5 V, Z0 = 50 Ω) 0 2.2 -0.5 2.0 8 dB -1.0 -1.5 -2.0 1.6 1.4 -2.5 4 dB 2 dB 1.2 -3.0 1 dB Ins. Loss 1.0 -3.5 0 0.5 1.0 1.5 2.0 0 2.5 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency VSWR vs. Frequency 2.5 Absolute Maximum Ratings 1.0 0.8 Deviation from Nominal Attenuation (dB) 31 dB 1.8 VSWR Insertion Loss (dB) 16 dB Characteristic 31 dB 0.6 Supply voltage (VDD) 8 dB 0.4 16 dB Input voltage (VI) 0.2 Power dissipation (PD) 0 -0.2 1 dB -0.4 -0.6 2 dB -1.0 0 0.5 -0.5 – VCC + 0.5 V 500 mW Storage temperature (TST) -65 °C to +150 °C Operating temperature (TOP) -40 °C to +85 °C 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. 4 dB -0.8 Value -0.5 to +6 V 1.0 1.5 2.0 2.5 Frequency (GHz) Attenuation Accuracy vs. Frequency 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. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200204 Rev. D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 30, 2007 3 DATA SHEET • AA109-310, AA109-310LF Surface Mount Land Pattern Truth Table Serial Data Input 5 x 5 mm QFN 32-Lead 0.020 (0.50 mm) 0.013 (0.33 mm) 0.020 (0.50 mm) 0.122 (3.10 mm) Sq. 0.020 (0.50 mm) 0.020 (0.50 mm) Reset 1 dB 2 dB 4 dB 8 dB 16 dB J1–J2 Attenuation 1 1 1 1 1 1 Insertion Loss 1 0 1 1 1 1 1 dB 1 1 0 1 1 1 2 dB 1 1 1 0 1 1 4 dB 1 1 1 1 0 1 8 dB 1 1 1 1 1 0 16 dB 1 0 0 0 0 0 31 dB 0 X X X X X 31 dB VIL (0) = 0 to 0.5 V. VIH (1) = 3.5 to 5 V. X = Don’t Care. Dimensions in inches (mm). Pin Out 0.197 (5.00 mm) BSC Pin 1 Indicator 0.039 (1.00 mm) Max. 0.187 (4.75 mm) BSC 32 0.001 (0.025 mm) 1 0.197 (5.00 mm) BSC 0.187 (4.75 mm) BSC Serial Data Out GND Reset Latch Enable Serial Data In Clock VDD GND 0.01 µF QFN 5 x 5 (-310) Seating Plane 12˚ Max. 47 pF 0.122 (3.10 mm) ± 0.006 (0.15 mm) Pin 32 Pin 1 GND GND GND GND J1 GND GND GND VDD GND GND GND GND J2 GND GND GND 10 kΩ 47 pF 32 GND GND GND GND GND GND GND GND 1 0.122 (3.10 mm) ± 0.006 (0.15 mm) 0.138 (3.50 mm) Ref. Pin 0.019 (0.50 mm) BSC Symbol Function 1–4 GND 5 J1 RF input/output 6–19 GND Ground Recommended Solder Reflow Profiles 20 J2 RF input/output Refer to the “Recommended Solder Reflow Profile” Application Note. 21–25 GND Ground 26 VDD Supply voltage 27 Clock In Serial clock input 28 Serial data in Serial data input Tape and Reel Information 29 LE Latch enable Refer to the “Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation” Application Note. 30 Reset Reset 31 GND Ground 32 Serial data out Serial data output 0.138 (3.50 mm) Ref. Ground Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 April 30, 2007 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200204 Rev. D DATA SHEET • AA109-310, AA109-310LF Timing Diagram LE SCK SDA T1 T2 T3 Parameter T5 T4 Symbol Min. Typ. LE setup time T1 5 15 ns SDA setup time T2 5 15 ns SDA hold time T3 5 10 ns LE hold time T4 5 10 Clock frequency fCLK 16 Clock period T5 1/fCLK Serial data (SDA) is shifted into the register on the rising edge of the clock (SCK), most significant bit (MSB) first. The attenuator will change states on the rising edge of the latch enable (LE) signal, according to the most recent 5 bits of shifted data accepted since the previous falling edge of the LE signal. Max. Unit ns 100 MHz Power-up sequence: 0. Connect ground 1. Apply VDD 2. Set all inputs (SCK, SDA, LE) Power-down sequence should be the reverse of above. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200204 Rev. D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 30, 2007 5 DATA SHEET • AA109-310, AA109-310LF Copyright © 2002, 2003, 2004, 2005, 2006, 2007, Skyworks Solutions, Inc. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 April 30, 2007 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200204 Rev. D