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| GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5-2 GHz AA264-87 Features Attenuation 2 dB Steps to 30 dB with High Accuracy Single Positive Control for Each Bit Low DC Power Consumption Small Low Cost TSSOP-16 Plastic Package TSSOP-16 PIN 16 0.173 (4.40 mm) 0.004 (0.10 mm) PIN 1 INDICATOR PIN 1 0.197 (5.00 mm) 0.004 (0.10 mm) 0.047 (1.20 mm) MAX. 0.252 (6.4 mm) BSC 0.0256 (0.65 mm) BSC R 0.004 (0.09 mm) MIN. Description The AA264-87 is a 4 bit, single positive control GaAs IC FET digital attenuator in a low cost TSSOP-16 package. The attenuator requires external DC blocking capacitors, positive supply voltage (VS) and four individual positive control voltages (V1-V4). The AA264-87 is particularly suited where high attenuation accuracy, low insertion loss and low intermodulation products are required. Typical applications include base station, wireless data and wireless local loop gain control circuits. 0.009 (0.22 mm) REF. 0.035 (0.90 mm) + 0.006 (0.15 mm) / -0.004 (-0.10 mm) 0.006 (0.15 mm) MAX. 0.002 (0.05 mm) MIN. 0.024 (0.60 mm) 0.006 (0.15 mm) Electrical Specifications at -40C to +85C (0, +5 V) Parameter1 Insertion Loss Attenuation Range Attenuation Accuracy2 0.5-1.0 GHz 0.5-2.0 GHz 0.5-2.0 GHz VSWR (I/O)3 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 0.5-2.0 GHz 0.5-2.0 GHz 0.5-2.0 GHz 0.5-2.0 GHz +15 +21 +36 +37 0.5-0.8 GHz 0.8-2.0 GHz Condition Frequency 0.5-1.0 GHz 0.5-2.0 GHz Min. Typ. 1.6 1.8 30 (0.2 + 3% of Attenuation Setting in dB) (0.3 + 5% of 2-24 dB Setting) (0.3 + 6% of 26-30 dB Setting) 1.8:1 1.5:1 150 300 70 +21 +27 +44 +45 2.2:1 2.0:1 ns ns mV dBm dBm dBm dBm Max. 2.0 2.4 Unit dB dB dB dB dB dB Switching Characteristics4 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. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A 1 GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5-2 GHz AA264-87 Typical Performance Data (0, +5 V) 0 -0.5 2.2 30 dB 2.0 1.8 16 dB 8 dB 4 dB 2 dB Insertion Loss (dB) -1.0 +85C -2.0 -2.5 -3.0 -3.5 0 0.5 1.0 1.5 2.0 2.5 3.0 +25C VSWR -1.5 -40C 1.6 1.4 1.2 Ins. Loss 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 60 +85C 55 +25C 2.2 VSWR vs. Frequency (25C) 30 dB 2.0 1.8 16 dB 8 dB 4 dB 2 dB IP3 (dBm) VSWR 50 45 40 35 -40C 1.6 1.4 1.2 Ins. Loss 1.0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 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 29.0 28.9 29.0 2 dB 4 dB 8 dB 16 dB 30 dB 5 5 5 5 5 28.3 35.2 25.8 21.7 24.4 28.1 34.7 25.3 21.3 23.2 28.1 35.0 25.4 21.6 27.2 2.2 30 dB 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 16 dB 8 dB 4 dB 2 dB 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. 9/00A GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5-2 GHz AA264-87 1.0 Deviation from Nominal Attenuation (dB) 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 0 0.5 1.0 1.5 4 dB 2 dB 8 dB Deviation from Nominal Insertion Phase (Deg.) 0.5 30 dB 16 dB 85 75 65 55 45 35 25 15 5 -5 2.0 2.5 3.0 -15 0 0.5 1.0 1.5 2.0 2 dB 2.5 3.0 16 dB 8 dB 4 dB 30 dB Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (25C) 1.0 85 8 dB Attenuation Phase Accuracy vs. Frequency (25C) 30 dB Deviation from Nominal Attenuation (dB) Deviation from Nominal Insertion Phase (Deg.) 0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 0 0.5 2 dB 16 dB 4 dB 75 65 55 45 35 25 15 5 -5 -15 30 dB 16 dB 8 dB 4 dB 2 dB 0 0.5 1.0 1.5 2.0 2.5 3.0 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Attenuation Accuracy vs. Frequency (85C) 1.0 85 30 dB 16 dB 8 dB 2 dB 4 dB Attenuation Phase Accuracy vs. Frequency (85C) Deviation from Nominal Attenuation (dB) Deviation from Nominal Insertion Phase (Deg.) 0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 0 0.5 75 65 55 45 35 25 15 5 -5 -15 2 dB 0 0.5 1.0 1.5 2.0 2.5 3.0 30 dB 16 dB 8 dB 4 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. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A 3 GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5-2 GHz AA264-87 Typical Performance Data (0, +3 V) 0 1.0 Deviation from Nominal Attenuation (dB) -0.5 0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 2 dB 4 dB 16 dB 8 dB Insertion Loss (dB) -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 0 0.5 1.0 1.5 2.0 2.5 3.0 -40C +85C +25C 30 dB 0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Attenuation Accuracy vs. Frequency (25C) 1.0 0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 -4.5 0 2.2 30 dB 2.0 1.8 16 dB 8 dB 4 dB 1.6 1.4 1.2 Ins. Loss 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 2 dB 30 dB Deviation from Nominal Attenuation (dB) 8 dB 2 dB 4 dB 16 dB VSWR 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) VSWR vs. Frequency (25C) Attenuation Accuracy vs. Frequency (85C) 1.0 90 Deviation from Nominal Insertion Phase (dB) 70 60 50 40 30 20 10 0 -10 0 4 dB 0.5 1.0 1.5 2.0 2 dB 2.5 3.0 30 dB 6 dB 8 dB Deviation from Nominal Attenuation (dB) 80 0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5 0 30 dB 8 dB 2 dB 16 dB 4 dB 0.5 1.0 1.5 2.0 2.5 3.0 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. 9/00A GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5-2 GHz AA264-87 57 55 53 51 49 47 45 43 41 39 37 +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 21.7 21.6 22.6 2 dB 4 dB 8 dB 16 dB 30 dB 3 3 3 3 3 21.2 34.3 33.6 18.0 22.4 20.7 31.0 23.0 17.0 21.2 21.4 34.3 32.9 21.4 24.1 IP3 (dBm) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Attenuation (dB) IP3 vs. Attenuation and Temperature (500 MHz) Absolute Maximum Ratings Characteristic RF Input Power 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 Truth Table V1 16 dB VHigh VHigh VHigh VHigh 0 0 V2 8 dB VHigh VHigh VHigh 0 VHigh 0 V3 4 dB VHigh VHigh 0 VHigh VHigh 0 V4 2 dB VHigh 0 VHigh VHigh VHigh 0 Attenuation J1-J2 Reference I.L. 2 dB 4 dB 8 dB 16 dB 30 dB Max. Atten. Supply Voltage Control Voltage Operating Temperature Storage Temperature Note: Exceeding these parameters may cause irreversible damage. Pin Out CBL 16 GND GND V1 V2 V3 V4 GND GND VHigh = +3 to +5 V (VS = VHigh 0.2 V). 16 dB 2 3 4 5 6 7 8 J1 GND GND GND GND GND GND VS 10 k DC blocking capacitors (CBL) and biasing resistor must be supplied externally for positive voltage operation. CBL = 47 pF for operation >500 MHz. Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 9/00A 1 15 14 13 12 8 dB 4 dB 2 dB 11 10 9 CBL J2 5 This datasheet has been download from: www..com Datasheets for electronics components. |
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