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| GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-3.0 GHz AA105-86 Features Attenuation 1 dB Steps to 15 dB with High Accuracy Single Positive Control (+3 to +5 V) for Each Bit Low DC Power Consumption Miniature Low Cost MSOP-10 Plastic Package MSOP-10 PIN 10 PIN 1 INDICATOR 0.118 (3.00 mm) 0.006 (0.15 mm) 0.193 (4.90 mm) 0.006 (0.15 mm) PIN 1 0.034 (0.86 mm) 0.004 (0.10 mm) 0.118 (3.00 mm) 0.006 (0.15 mm) 8-16 0-6 0.0197 (0.500 mm) BSC Description The AA105-86 is a 4 bit, single positive control GaAs IC FET digital attenuator. It requires DC blocking capacitors, positive supply voltage (VS) and four individual positive bit control voltages (V1-V4). The AA105-86 is particularly suited where high attenuation accuracy, low insertion loss and low intermodulation products are required. Typical applications include cellular radio, wireless data, and wireless local loop gain level control circuits. 0.009 (0.23 mm) REF. 0.043 (1.09 mm) MAX. 0.022 (0.55 mm) 0.006 (0.15 mm) 0.006 (0.15 mm) MAX. 0.002 (0.05 mm) MIN. Electrical Specifications at -40C to +85C (0, +5 V) Parameter1 Insertion Loss Condition Frequency 0.5-1.0 1.0-2.0 2.0-2.5 2.5-3.0 GHz GHz GHz GHz Min. Typ. 1.5 2.1 2.4 2.7 15 0.5-1.0 GHz 1.0-3.0 GHz VSWR (I/O)3 Switching Characteristics4 Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru VS = +3 V VS = +5 V For Two-tone Input Power +5 dBm VS = +3 V VS = +5 V 0.5-3.0 GHz 0.5-3.0 GHz 0.5-3.0 GHz 0.5-3.0 GHz +20 +25 +43 +44 0.5-2.5 GHz 2.5-3.0 GHz (0.2 + 2% of Attenuation Setting in dB) (0.3 + 3% of Attenuation Setting in dB) 1.5:1 1.7:1 180 270 50 +24 +29 +49 +50 2.0:1 2.2:1 ns ns mV dBm dBm dBm dBm Max. 1.8 2.4 2.7 3.0 Unit dB dB dB dB dB dB dB Attenuation Range Attenuation Accuracy2 Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) Control Voltages VLow = 0 to 0.2 V @ 20 A Max. VHigh = +3 V @ 100 A Max. to +5 V @ 200 A Max. VS = VHigh 0.2 V 3. Input/output. 4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. 1. All measurements made in a 50 system, unless otherwise specified. 2. Attenuation referenced to insertion loss. Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A 1 GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-3.0 GHz AA105-86 Typical Performance Data (0, +5 V) -0.5 2.0 15 dB 1 dB 1.8 1.6 1.4 1.2 Ins. Loss -3.0 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 Insertion Loss (dB) -1.0 -1.5 -2.0 -2.5 +85C 8 dB 4 dB 2 dB +25C -40C Frequency (GHz) VSWR Frequency (GHz) Insertion Loss vs. Frequency 60 58 56 1.8 +85C +25C 2.0 VSWR vs. Frequency (25C) 15 dB 8 dB 4 dB 1 dB IP3 (dBm) 52 50 48 46 44 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -40C VSWR 54 1.6 1.4 1.2 2 dB Ins. Loss 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 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 31.1 30.9 31.2 1 dB 2 dB 4 dB 8 dB 15 dB 5 5 5 5 5 31.3 31.0 32.5 33.0 29.9 31.4 30.8 31.4 32.4 28.0 31.3 31.1 33.6 33.5 31.4 2.0 1.8 1.6 1.4 1.2 Ins. Loss 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 15 dB 8 dB 4 dB 2 dB 1 dB Frequency (GHz) VSWR vs. Frequency (-40C) 2 Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-3.0 GHz AA105-86 0.5 30 Deviation from Nominal Attenuation (dB) Deviation from Nominal Insertion Phase (Deg.) 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 0 0.5 15 dB 8 dB 4 dB 2 dB 25 20 8 dB 15 dB 15 10 5 0 -5 -10 0 0.5 1.0 1 dB 2 dB 4 dB 1 dB 1.0 1.5 2.0 2.5 3.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (25C) Attenuation Phase Accuracy vs. Frequency (25C) 0.5 30 15 dB Deviation from Nominal Attenuation (dB) Deviation from Nominal Insertion Phase (Deg.) 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 0 0.5 25 20 8 dB 4 dB 2 dB 8 dB 15 dB 15 10 5 0 -5 -10 0 0.5 1 dB 1.0 1.5 2 dB 4 dB 1 dB 1.0 1.5 2.0 2.5 3.0 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (85C) 0.5 30 15 dB Attenuation Phase Accuracy vs. Frequency (85C) Deviation from Nominal Attenuation (dB) 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 0 0.5 Deviation from Nominal Insertion Phase (Deg.) 0.4 25 20 15 10 5 0 -5 -10 0 0.5 2 dB 1 dB 1.0 1.5 2.0 2.5 3.0 4 dB 8 dB 15 dB 8 dB 4 dB 2 dB 1 dB 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (-40C) Attenuation Phase Accuracy vs. Frequency (-40C) Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A 3 GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-3.0 GHz AA105-86 Typical Performance Data (0, +3 V) -0.5 -1.0 +85C -1.5 +25C -2.0 -2.5 -3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 -40C 0.5 Deviation from Nominal Attenuation (dB) 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 0 0.5 15 dB 8 dB 4 dB Insertion Loss (dB) 2 dB 1 dB 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Attenuation Accuracy vs. Frequency (25C) 2.0 15 dB 1.8 1.6 1.4 1.2 Ins. Loss 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 8 dB 4 dB 0.5 Deviation from Nominal Attenuation (dB) 1 dB 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 0 1 dB 0.5 15 dB 8 dB 4 dB 2 dB VSWR 2 dB 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) VSWR vs. Frequency (25C) Attenuation Accuracy vs. Frequency (85C) 0.5 30 Deviation from Nominal Insertion Phase (Deg.) 8 dB 15 dB Deviation from Nominal Attenuation (dB) 25 20 15 10 5 0 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 15 dB 8 dB 4 dB 4 dB 2 dB 1 dB 2 dB -5 -10 0 0.5 1.0 1.5 2.0 1 dB 0 0.5 1.0 1.5 2.0 2.5 3.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Attenuation Phase Accuracy vs. Frequency (25C) 4 Attenuation Accuracy vs. Frequency (-40C) Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-3.0 GHz AA105-86 57 56 55 54 53 52 51 50 49 48 47 46 45 +85C +25C -40C Compression Point vs. Attenuation, Voltage, and Temperature Input Power @ 1 dB Compression Attenuation Control State Voltage (V) +25C (dBm) +85C (dBm) -40C (dBm) Ins. Loss 3 24.7 24.2 24.4 1 dB 2 dB 4 dB 8 dB 3 3 3 3 3 25.2 24.8 31.1 25.1 24.9 24.9 24.2 30.5 25.9 24.4 25.0 24.7 31.9 27.3 27.0 IP3 (dBm) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15 dB Attenuation (dB) IP3 vs. Attenuation and Temperature (500 MHz) Pin Out V1 V2 8 dB 4 dB 2 dB 1 dB 10 CBL J1 1 Truth Table V1 8 dB VHigh VHigh VHigh VHigh 0 0 V2 4 dB VHigh VHigh VHigh 0 VHigh 0 V3 2 dB VHigh VHigh 0 VHigh VHigh 0 V4 1 dB VHigh 0 VHigh VHigh VHigh 0 Attenuation J1-J2 Reference I.L. 1 dB 2 dB 4 dB 8 dB 15 dB Max. Atten. V3 V4 GND GND GND GND CBL J2 2 9 3 8 4 7 5 10 k VS DC blocking capacitors (CBL) and biasing resistor must be supplied externally for positive voltage operation. CBL = 47 pF for operation >500 MHz. 6 VHigh = +3 to +5 V (VS = VHigh 0.2 V). Absolute Maximum Ratings Characteristic RF Input Power Supply Voltage Control Voltage Operating Temperature Storage Temperature Value 1 W > 500 MHz 0/8 V 0.5 W @ 50 MHz 0/8 V +8 V -0.2 V, +8 V -40C to +85C -65C to +150C Note: Exceeding these parameters may cause irreversible damage. Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A 5 |
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