AA113-310

Preliminary GaAs IC 6 Bit Digital Attenuator with Driver 0.5 dB LSB Positive Control DC–1 GHz AA113-310 Features I Attenuation 0.5 dB Steps to 31.5 dB With High Accuracy I Single Positive Control (+5 V) for Each Bit I Low DC Power Consumption I CMOS Integrated Silicon Driver I Designed for Use at IF Frequencies MLF 5 x 5 (-310) 0.197 (5.00 mm) BSC 0.039 (1.00 mm) MAX. PIN 1 0.187 0.001 INDICATOR (4.75 mm) BSC (0.025 mm) 32 1 0.187 (4.75 mm) BSC 0.197 (5.00 mm) BSC 12˚ MAX. 0.122 (3.10 mm) ± 0.006 (0.15 mm) 32 1 SEATING PLANE Description The AA113-310 is a 6 bit, single positive control GaAs IC FET digital attenuator with driver. 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 data, broadband and wireless local loop gain control circuits. 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. Electrical Specifications at 25°C (0, +5 V) Parameter1 Insertion Loss2 Attenuation Range Attenuation Accuracy3 DC–0.5 GHz DC–1.0 GHz VSWR (I/O)4 DC–1.0 GHz Frequency DC–0.5 GHz DC–1.0 GHz Min. Typ. 1.5 1.8 31.5 ± (0.2 + 2% of Attenuation Setting in dB) ± (0.25 + 3% of Attenuation Setting in dB) 1.4:1 1.6:1 Max. 1.8 2.2 Unit dB dB dB dB dB Operating Characteristics at 25°C (0, +5 V) Parameter Switching Characteristics5 Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru VCC = +5 V For Two-tone Input Power +5 dBm VCC = +5 V VCC = 5 V @ 700 µA Typ. CTL05, CTL1, CTL2, CTL4, CTL8, CTL16, Low = 0 to 0.8 V @ 20 µA Typ. CTL05, CTL2, CTL4, CTL8, CTL16, High = 3.5 to 5.0 V @ 20 µA Typ. 4. Input/output. 5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Frequency Min. Typ. 30 50 50 Max. Unit ns ns mV dBm dBm dBm dBm Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) Supply Voltage Control Voltages 0.5–1.0 GHz 0.05 GHz 0.5–1.0 GHz 0.05 GHz +29 +22 +48 +36 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. Insertion loss changes by 0.003 dB/°C. 3. Attenuation referenced to insertion loss. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 4/01A 1 GaAs IC 6 Bit Digital Attenuator with Driver 0.5 dB LSB Positive Control DC–1 GHz AA113-310 Typical Performance Data (VCC = +5 V) -0.50 -0.75 1.5 S21 (dB) -1.25 -1.50 -1.75 -2.00 -2.25 -2.50 0 0.5 1.0 1.5 2.0 Deviation (dB) -1.00 1.0 31.5 dB 0.5 0.5 dB 0 4 dB -0.5 0 0.5 1.0 1.5 2.0 16 dB 8 dB 2 dB 1 dB Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 1.8 1.7 1.6 Ref. Coeff 16 dB Attenuation Accuracy vs. Frequency 1.8 1.7 1.6 16 dB 8 dB 2 dB 31.5 dB VSWR 1.4 1.3 1.2 1.1 1.0 0 0.5 4 dB 8 dB 1 dB 2 dB 0.5 dB Ins. Loss 1.0 1.5 2.0 31.5 dB VSWR 1.5 1.5 1.4 1.3 1.2 1.1 1.0 0 1 dB 0.5 0.5 dB Ins. Loss 1.0 1.5 4 dB 2.0 Frequency (GHz) Frequency (GHz) Input VSWR vs. Frequency Output VSWR vs. Frequency Surface Mount Land Pattern 5 x 5 mm MLF 32 Lead 0.020 (0.50 mm) 0.013 (0.33 mm) 0.020 (0.50 mm) Absolute Maximum Ratings Characteristic RF Input Power Supply Voltage Control Voltage1 Operating Temperature 0.122 (3.10 mm) SQ. Value 2 W > 500 MHz, 0/6 V 0.5 W > 50 MHz, 0/6 V 6V -0.2 V, +6 V -40°C to +85°C -65°C to +150°C 85°C/W Storage Temperature ΘJC 0.020 (0.50 mm) 0.020 (0.50 mm) Dimensions in inches (mm). Note: Exceeding these ratings may cause irreversible damage. 1. Control voltage must not exceed supply voltage. 2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 4/01A GaAs IC 6 Bit Digital Attenuator with Driver 0.5 dB LSB Positive Control DC–1 GHz AA113-310 Truth Table CTL05 0 1 0 0 0 0 0 1 CTL1 0 0 1 0 0 0 0 1 CTL2 0 0 0 1 0 0 0 1 CTL4 0 0 0 0 1 0 0 1 CTL8 0 0 0 0 0 1 0 1 CTL16 0 0 0 0 0 0 1 1 Attenuation J1–J2 Ins. Loss 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB Pin Out CTL05 CLT1 CTL2 CTL4 CTL8 CTL16 VSS C2 0.01 µF (Negative Voltage Holding Capacitor) 0.025 µF (Charge Pump Capacitor) Pin 32 Pin 1 GND GND GND GND J1 GND GND GND C1 VCC GND 0.01 µF GND J2 GND (Power Supply GND Bypass Capacitor) GND GND GND GND GND GND GND GND GND “0” = 0 to 0.5 V (VCC = 5 V). “1” = 3.5 to 5 V (VCC = 5 V). Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 4/01A 3