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| GaAs IC 5 Bit Digital Attenuator 1 dB LSB DC-2 GHz AA260-85 (Previously AD260-85)* Features Attenuation 1.0 dB Steps to 31 dB with High Accuracy Low DC Power Consumption Low Cost SSOP-20 Plastic Package SSOP-20 PIN 20 0.209 (5.30 mm) 0.012 (0.30 mm) 0.307 (7.80 mm) 0.016 (0.307 mm) PIN 1 INDICATOR PIN 1 Description The AA260-85 is a 5 bit, GaAs IC FET digital attenuator in a low cost SSOP-20 package. This attenuator has an LSB of 1 dB and a total attenuation of 31 dB. The AA260-85 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. 0.069 (1.75 mm) 0.004 (0.10 mm) 0.283 (7.20 mm) 0.012 (0.30 mm) 0.0256 0.078 (0.65 mm) (2.00 mm) BSC MAX. 0.010 (0.25 mm) 0.004 (0.090 mm) 8 MAX. 0.012 (0.30 mm) REF. 0.008 (0.20 mm) MAX. 0.002 (0.05 mm) MIN. 0.030 (0.75 mm) 0.008 (0.10 mm) Electrical Specifications at -40C to +85C (0, -5 V) Parameter1 Insertion Loss Condition Frequency2 DC-0.5 GHz DC-1.0 GHz DC-2.0 GHz DC-1.0 GHz DC-1.8 GHz DC-2.0 GHz VSWR (I/O) Switching Characteristics4 Rise, Fall (10/90% or 90%/10% RF) On, Off (50% CTL to 90%/10% RF) Video Feedthru VHigh = -5 V For Two-tone Input Power +5 dBm VHigh = -5 V VLow = 0 to 0.2 V @ 20 A Max. VHigh = -5 V @ 300 A Max. 3. Attenuation referenced to insertion loss. 4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Min. Typ. 1.4 1.6 2.0 31 Max. 1.7 2.0 2.3 Unit dB dB dB dB dB dB dB nS nS mV dBm dBm dBm dBm Attenuation Range Attenuation Accuracy3 (0.2 + 3% of Attenuation Setting in dB) (0.4 + 5% of Attenuation Setting in dB) (0.5 + 6% of Attenuation Setting in dB) 1.4:1 15 25 25 1.7:1 DC-2.0 GHz Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) Control Voltages 0.5-2.0 GHz 0.05 GHz 0.5-2.0 GHz 0.05 GHz +25 +18 +42 +30 +29 +22 +48 +36 1. All measurements made in a 50 system, unless otherwise specified. 2. DC = 300 kHz. *Due to conflict with another company's product numbering system, Skyworks' attenuator products starting with the letters "AD" are being changed to "AA". Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 12/00A 1 GaAs IC 5 Bit Digital Attenuator 1 dB LSB DC-2 GHz AA260-85 Typical Performance Data (0, -5 V) -1.0 -1.2 +25C +85C -1.6 -1.8 -2.0 0 0.5 1.0 1.5 2.0 -1.4 -40C 2.00 Insertion Loss (dB) 1.75 VSWR 1.50 31 dB 1.25 2 dB 1 dB 1.00 0 0.5 Ins. Loss 1.0 1.5 2.0 4 dB 16 dB 8 dB Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 60 58 +25C 56 1.75 -40C +85C 2.00 VSWR vs. Frequency (25C) IP3 (dBm) 52 50 48 46 44 VSWR 54 1.50 31 dB 16 dB 1.25 Ins. Loss 1 dB 1.00 2 dB 0.5 1.0 1.5 2.0 4 dB 8 dB 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 0 Attenuation (dB) Frequency (GHz) IP3 vs. Attenuation and Temperature (500 MHz) VSWR vs. Frequency (85C) Compression Point vs. Attenuation, Voltage, and Temperature VSWR Input Power @ 1 dB Compression Attenuation Control State Voltage (V) +25C (dBm) +85C (dBm) -40C (dBm) Ins. Loss -5 29.6 29.4 29.9 1 dB 2 dB 4 dB 8 dB 16 dB 31 dB -5 -5 -5 -5 -5 -5 30.1 29.5 34.0 29.5 28.6 32.1 29.8 29.4 32.7 29.3 28.6 31.6 30.5 29.6 32.9 29.8 28.3 31.3 2.00 1.75 1.50 31 dB 16 dB 1.25 2 dB 1.00 0 0.5 1.0 1 dB 8 dB Ins. Loss 4 dB 1.5 2.0 Frequency = 0.5-2.0 GHz. Frequency (GHz) VSWR vs. Frequency (-40C) 2 Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 12/00A GaAs IC 5 Bit Digital Attenuator 1 dB LSB DC-2 GHz AA260-85 0.5 16 dB 8 dB 4 dB 2 dB 31 dB 60 Deviation from Nominal Attenuation (dB) 0 1 dB -0.5 -1.0 -1.5 -2.0 -2.5 0 0.5 1.0 1.5 2.0 Deviation from Nominal Insertion Phase (Deg.) 50 40 30 20 10 0 4 dB -10 0 0.5 1.0 1.5 2.0 2 dB 1 dB 16 dB 8 dB 31 dB Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (25C) Attenuation Phase Accuracy vs. Frequency (25C) 0.5 16 dB 8 dB 2 dB 31 dB 4 dB 60 Deviation from Nominal Attenuation (dB) 0 1 dB -0.5 -1.0 -1.5 -2.0 -2.5 0 0.5 1.0 1.5 2.0 Deviation from Nominal Insertion Phase (Deg.) 50 40 30 20 10 0 1 dB -10 0 0.5 1.0 1.5 2.0 2 dB 4 dB 16 dB 31 dB 8 dB Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (85C) 0.5 16 dB 8 dB 4 dB 31 dB 2 dB 60 Attenuation Phase Accuracy vs. Frequency (85C) Deviation from Nominal Attenuation (dB) 0 1 dB -0.5 -1.0 -1.5 -2.0 -2.5 0 0.5 1.0 1.5 2.0 Deviation from Nominal Insertion Phase (Deg.) 50 31 dB 40 30 16 dB 20 10 0 -10 0 0.5 1.0 1.5 2.0 2 dB 4 dB 1 dB 8 dB Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (-40C) Attenuation Phase Accuracy vs. Frequency (-40C) Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 12/00A 3 GaAs IC 5 Bit Digital Attenuator 1 dB LSB DC-2 GHz AA260-85 Typical Performance Data (0, -3 V) -1.0 -1.2 +25C -1.4 -1.6 -1.8 -2.0 0 0.5 1.0 1.5 2.0 -40C +85C 0.5 16 dB 8 dB 1 dB -0.5 -1.0 31 dB -1.5 -2.0 -2.5 -3.0 0 0.5 1.0 1.5 2.0 4 dB 2 dB Deviation from Nominal Attenuation (dB) 0 Insertion Loss (dB) Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Attenuation Accuracy vs. Frequency (25C) 2.00 0.5 Deviation from Nominal Attenuation (dB) 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 0 16 dB 8 dB 4 dB 1 dB 31 dB 2 dB 1.75 VSWR 1.50 31 dB 16 dB 1.25 2 dB 1 dB 1.00 0 0.5 Ins. Loss 1.0 1.5 2.0 4 dB 8 dB 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) VSWR vs. Frequency (25C) Attenuation Accuracy vs. Frequency (85C) 0.5 16 dB 60 Deviation from Nominal Insertion Phase (Deg.) 40 30 20 31 dB Deviation from Nominal Attenuation (dB) 50 0 -0.5 -1.0 8 dB 1 dB 4 dB 2 dB 31 dB -1.5 -2.0 -2.5 -3.0 0 0.5 1.0 1.5 2.0 16 dB 10 0 -10 0 0.5 1.0 1.5 2.0 1 dB 8 dB 2 dB 4 dB Frequency (GHz) Frequency (GHz) Attenuation Phase Accuracy vs. Frequency (25C) 4 Attenuation Accuracy vs. Frequency (-40C) Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 12/00A GaAs IC 5 Bit Digital Attenuator 1 dB LSB DC-2 GHz AA260-85 60 58 56 +25C Compression Point vs. Attenuation, Voltage, and Temperature +85C Input Power @ 1 dB Compression Attenuation Control State Voltage (V) +25C (dBm) +85C (dBm) -40C (dBm) Ins. Loss -3 24.8 24.7 24.7 1 dB -3 -3 -3 -3 -3 -3 26.2 24.7 29.3 32.3 21.6 24.5 25.9 24.5 28.7 31.7 21.2 24.4 25.7 24.6 29.0 32.3 21.7 24.9 IP3 (dBm) 54 52 50 48 46 44 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 -40C 2 dB 4 dB 8 dB 16 dB 31 dB Attenuation (dB) Frequency = 0.5-2.0 GHz. IP3 vs. Attenuation and Temperature (500 MHz) Pin Out V9 V8 V7 V6 V5 V4 V3 V2 N/C V1 16 dB 2 3 Truth Table V1 1 dB Bit -5 0 -5 -5 -5 -5 0 V2 V3 2 dB Bit -5 -5 0 -5 -5 -5 0 0 0 -5 0 0 0 -5 V4 V5 V6 V7 V8 V9 4 dB Bit -5 -5 -5 0 -5 -5 0 0 0 0 -5 0 0 -5 8 dB Bit -5 -5 -5 -5 0 -5 0 0 0 0 0 -5 0 -5 16 dB Bit -5 -5 -5 -5 -5 0 0 0 0 0 0 0 -5 -5 Attenuation J1-J2 Reference I.L. 1 dB 2 dB 4 dB 8 dB 16 dB 31 dB Max. Atten. J1 GND GND GND GND GND GND GND GND J2 20 1 19 18 8 dB 17 4 5 16 4 dB 6 7 8 9 10 15 14 2 dB 1 dB 13 12 11 Absolute Maximum Ratings Characteristic RF Input Power Control Voltage Operating Temperature Storage Temperature JC Value 2.0 W > 500 MHz 0/-8 V 0.5 W > 50 MHz 0/-8 V +0.2 V, -8 V -40C to +85C -65C to +150C 85C/W Note: Exceeding these ratings may cause irreversible damage. Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 12/00A 5 This datasheet has been download from: www..com Datasheets for electronics components. |
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