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| GaAs IC 1 Bit Digital Attenuator 15 dB LSB DC-2 GHz AA116-72 Features +3 V Control Low Loss Low Cost SOT-5 Plastic Package PIN 1 SOT-5 0.074 (1.90 mm) REF. 0.069 (1.75 mm) 0.052 (1.30 mm) 0.118 (3.00 mm) 0.087 (2.20 mm) Description The AA116-72 is a 1 bit GaAs IC FET digital attenuator in a low cost package. This attenuator has an LSB of 15 dB. The AA116-72 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. 0.020 (0.51 mm) 0.014 (0.35 mm) 0.012 (0.30 mm) 0.000 (0.00 mm) MIN. 0.064 (1.63 mm) 0.035 (0.90 mm) 0.037 (0.95 mm) REF. 0.012 (0.30 mm) TYP. 0.024 (0.61 mm) 0.004 (0.10 mm) 0.122 (3.10 mm) 0.106 (2.70 mm) 0.0104 (0.26 mm) 0.0035 (0.09 mm) MIN. Electrical Specifications at 25C (0, +3 V) Parameter1 Insertion Loss2 Frequency 0.50-1.00 GHz 0.85-0.94 GHz 1.00-2.00 GHz 0.50-2.00 GHz 0.85-0.94 GHz 0.50-1.00 GHz 14.0 14.5 Min. Typ. 0.35 0.30 0.40 15.0 15.0 15.0 24 16.0 15.5 Max. 0.45 0.38 0.50 Unit dB dB dB dB dB dB Attenuation Range Attenuation Accuracy3 Return Loss Operating Characteristics at 25C (0, +3 V) Parameter Switching Characteristics4, 5 Condition 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 +10 dBm VS = +3 V VS = +5 V 0.5-2.5 GHz 0.5-2.5 GHz 0.5-2.5 GHz 0.5-2.5 GHz Frequency Min. Typ. 150 300 70 +20 +26 +41 +45 Max. Unit ns ns mV dBm dBm dBm dBm Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) Control Voltages VLow = 0 to 0.2 V VHigh = +3 V @ 25 A Typ. to +5 V @ 50 A Typ. 1. All measurements made in a 50 system, unless otherwise specified. 2. Insertion loss changes by 0.003 dB/C. 3. Maximum attenuation includes insertion loss. 4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. 5. Switching characteristics will vary with value chosen for CBP. Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 4/03A 1 GaAs IC 1 Bit Digital Attenuator 15 dB LSB DC-2 GHz AA116-72 Typical Performance Data (0, +3 V) 0 -0.1 -0.2 -0.3 0 -4 -8 -12 S21 (dB) S11 (dB) Frequency (GHz) -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 -16 -20 -24 -28 -32 -36 -40 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Frequency (GHz) Insertion Loss 0 -2 -4 -6 Return Loss in Insertion Loss State 0 -4 -8 -12 S21 (dB) -10 -12 -14 -16 -18 -20 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 S11 (dB) Frequency (GHz) -8 -16 -20 -24 -28 -32 -36 -40 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Frequency (GHz) Attenuation Return Loss in Attenuation State 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 Pin Out J1 RF GND J2 CBL V2 1 2 15 5 CBP CBL 4 3 V1 Note: Exceeding these parameters may cause irreversible damage. DC blocking capacitors (CBL), bypass capacitor (CBP), and biasing resistor must be supplied externally for positive voltage operation. CBL = 33, CBP = 39 pF for operation @ 900 MHz. Truth Table V1 VHigh 0 VHigh = +3 to +5 V. V2 0 VHigh J1-J2 Insertion Loss Attenuation 2 Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 4/03A |
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