AA107-310

DATA SHEET AA107-310, AA107-310LF: GaAs IC 5-Bit Digital Attenuator with Serial-to-Parallel Driver 300 kHz–2 GHz Features ● ● ● ● ● QFN 5 x 5 (-310) VSS VDD J2 Positive voltage operation (5 V) QFN 5 x 5 mm leadless package Integrated silicon serial-to-parallel driver Attenuation 0.5 dB steps to 15.5 dB Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C per JEDEC J-STD-020 SERDATAOUT 8 dB Description The AA107-310 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 at IF frequencies where high attenuation accuracy, low insertion loss, and low intermodulation products are required. Typical applications include base station, wireless and RF data and wireless local loop gain control circuits. LATCH Enable Serial-to-Parallel Driver SERDATAIN 4 dB 2 dB CLOCKIN 1 dB Reset 0.5 dB NEW Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging. J1 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200203 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • September 11, 2006 1 DATA SHEET • AA107-310, AA107-310LF Electrical Specifications at 25 °C VDD = 5 V, Z0 = 50 Ω, unless otherwise specified Parameter Insertion loss(1) Attenuation range(2, 3) Attenuation accuracy(2, 3) 300 kHz–1 GHz 300 kHz–2 GHz VSWR (I/O) Switching characteristics Rise, fall On, off Video feedthru Input power for 1 dB compression Intermodulation intercept point (IP3) For two-tone input power 5 dBm each tone 10/90% or 90/10% RF 50% CTL to 90/10% RF TRISE = 1 ns, BW = 500 MHz 0.5–2 GHz 0.05 GHz 0.5–2 GHz 0.05 GHz 24 17 44 35 300 kHz–2 GHz Condition Frequency 300 kHz–1 GHz 300 kHz–2 GHz Min. Typ. 1.4 1.7 15.5 ± (0.2 + 3% of Attenuation Setting in dB) ± (0.4 + 3% of Attenuation Setting in dB) 1.4:1 50 100 50 29 22 50 40 1.8:1 ns ns mV dBm dBm dBm dBm Max. 1.7 2.2 Unit dB dB dB dB dB 1. Insertion loss changes by 0.003 dB/°C. 2. Attenuation value referenced above insertion loss. 3. Exposed pad must be connected to RF ground to obtain specified attenuation. DC Electrical Characteristics at 25 °C (VDD = 5 V) Parameter Input voltage high Input voltage low Input Leakage current Quiescent current Supply voltages Symbol VIH (1) VIL (0) IL IDD VDD Min. 1.7 0 Typ. 3.5 0.3 ±0.5 500 5 Max. 5 0.6 Unit V V µA µA V Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 2 September 11, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200203 Rev. B DATA SHEET • AA107-310, AA107-310LF Typical Performance Data (VDD = 5 V) 0 1.5 1.4 1.3 2 dB 15.5 dB 1.2 8 dB -1.5 1.1 1.0 0 0.5 1.0 1.5 2.0 0 0.5 0.5 dB Ins. Loss -2.0 1 dB 1.0 1.5 2.0 4 dB -0.5 Loss (dB) -1.0 Frequency (GHz) VSWR Frequency (GHz) Insertion Loss vs. Frequency 0.2 VSWR vs. Frequency 4 dB Absolute Maximum Ratings 2 dB 0.5 dB Characteristic Supply voltage (VDD) 1 dB 15.5 dB Input voltage (VI) Power dissipation (PD) Storage temperature (TST) Operating temperature (TOP) Value -0.5 to +6 V -0.5 – VCC + 0.5 V 500 mW -65 °C to +150 °C -40 °C to +85 °C Deviation from Nominal Attenuation (dB) 0 -0.2 -0.4 -0.6 -0.8 -1.0 0 0.5 1.0 1.5 2.0 8 dB 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. Frequency (GHz) Attenuation Accuracy vs. Frequency Truth Table Reset 1 1 1 1 1 1 1 0 0.5 dB 0 1 0 0 0 0 1 X Serial Data Input 1 dB 2 dB 4 dB 0 0 1 0 0 0 1 X 0 0 0 1 0 0 1 X 0 0 0 0 1 0 1 X 8 dB 0 0 0 0 0 1 1 X J1–J2 Attenuation Insertion loss 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB Insertion loss 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. VIL (0) = 0 to 0.5 V. VIH (1) = 3.5 to 5 V. X = Don’t Care. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200203 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • September 11, 2006 3 DATA SHEET • AA107-310, AA107-310LF Pin 1 2–4 5 6–19 20 21–23 24 25 26 27 28 29 30 31 32 Symbol Serial data out GND J1 GND J2 GND RESET LE Serial data in Clock In VSS GND C2 C1 VDD Ground Function Serial data output RF input/output Ground RF input/output Ground Reset Latch enable Serial data input Serial clock input Low output voltage level Ground Charge pump capacitor Charge pump capacitor Supply voltage Surface Mount Land Pattern 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) Dimensions in inches (mm). Timing Diagram LE T1 T4 SCK SDA T2 T3 T5 Parameter LE setup time SDA setup time SDA hold time LE hold time Clock frequency Clock period Symbol T1 T2 T3 T4 fCLK T5 Min. 7.5 7.5 5 5 Typ. 15 15 10 10 16 1/fCLK Max. Unit ns ns ns ns 100 MHz Serial data (SDA) is shifted into the register on the rising edge of the clock (SCK), least significant bit (LSB) 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. 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 4 September 11, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200203 Rev. B DATA SHEET • AA107-310, AA107-310LF QFN 5 x 5 (-310) 0.197 (5.00 mm) BSC Pin 1 Indicator 32 1 0.039 (1.00 mm) Max. 0.187 (4.75 mm) BSC 0.197 (5.00 mm) BSC 12˚ Max. 0.001 (0.025 mm) 0.187 (4.75 mm) BSC Seating Plane 0.122 (3.10 mm) ± 0.006 (0.15 mm) 32 1 0.122 (3.10 mm) ± 0.006 (0.15 mm) 0.138 (3.50 mm) Ref. 0.019 (0.50 mm) BSC 0.138 (3.50 mm) Ref. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200203 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • September 11, 2006 5 DATA SHEET • AA107-310, AA107-310LF Copyright © 2002, 2003, 2004, 2005, 2006, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 September 11, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200203 Rev. B