AT-113

3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz Features • • • • • • Single Positive Voltage Control: 0 to +3 Volts 40 dB Attenuation Range at 0.9 GHz ± 2 dB Linearity from BSL Low DC Power Consumption SOIC-8 Plastic Package Tape and Reel Packaging Available AT-113 V5 Functional Schematic 1,2,3,4 8 7 6 5 Description M/A-COM’s AT-113 is a GaAs MMIC voltage variable absorptive attenuator in a low-cost SOIC 8lead surface mount plastic package. The AT-113 is ideally suited for use where linear attenuation fine tuning and very low power consumption are required. Typical applications include radio, cellular, GPS equipment and automatic gain/level control circuits. The AT-113 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process. The process features full chip passivation for increased performance and reliability. 1 2 3 4 1. 2. 3. 4. VCC = +3 VDC @ 50 µA maximum. VC = 0 VDC to +3 VDC @ 50 µA maximum. External DC blocking capacitors are required on all RF ports. 39 pF used for data measurements. Pin Configuration Pin No. Function Ground Ground RF Port VCC Pin No. 5 6 7 8 Function VC Ground RF Port Ground Ordering Information Part Number AT-113 AT-113TR Package SOIC 8-Lead Plastic Package Forward Tape and Reel 1 2 3 4 Note: Reference Application Note M513 for reel size information. Absolute Maximum Ratings 5 Parameter Input Power Supply Voltage VCC Control Voltage VC Operating Temperature Storage Temperature Absolute Maximum +21 dBm -1 V < VCC < +8 V -1 V < VC < VCC + 0.5 V -40°C to +85°C -65°C to +150°C 5. Exceeding any one or combination of these limits may cause permanent damage to this device. 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz Electrical Specifications6: TA = 25°C, Z0 = 50 Ω Parameter Insertion Loss Attenuation Flatness (Peak to Peak) VSWR Trise, Tfall Ton, Toff Transients AT-113 V5 Test Conditions 0.5 - 1.0 GHz 1.0 - 2.0 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz — 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10% RF In-band Units dB dB dB dB dB dB Ratio µS µS mV Min — — 40 35 — — — — — — Typ 2.7 3.0 — — ± 0.5 ± 1.2 2:1 10 12 10 Max 3.0 3.5 — — ± 0.8 ± 1.5 — — — — 6. The RF ports must be blocked outside of the package from ground or any other voltage. SOIC-8 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz Typical Performance Curves @ 25°C Attenuation vs. Control Voltage 0 0.9 GHz 1.8 GHz 2.4 GHz AT-113 V5 Attenuation vs. Frequency @ 0V 0 -10 -10 -20 -20 -30 -30 -40 -40 -50 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -50 0.5 1.0 1.5 2.0 2.5 3.0 Control Voltage (V) Frequency (GHz) Insertion Loss vs. Frequency 0.0 -0.5 -1.0 -10 0 Return Loss vs. Control Voltage F = 900 MHz -5 S11 S22 -1.5 -15 -2.0 -2.5 -3.0 -3.5 0.5 1.0 1.5 2.0 2.5 3.0 -20 -25 -30 3.0 2.5 2.0 1.5 1.0 0.5 0.0 Frequency (GHz) Control Voltage (V) 1 dB Compression vs. Control Voltage 25 35 30 25 20 10 15 5 400 MHz 900 MHz IP3 vs. Control Voltage 20 15 400 MHz 900 MHz 10 5 0 3.0 0 -5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 2.5 2.0 1.5 1.0 0.5 0.0 Control Voltage (V) Control Voltage (V) 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz Typical Performance Curves Attenuation vs. Temperature Normalized @ 25°C, F = 900 MHz 3 AT-113 V5 2 +85°C -40°C 1 0 -1 -2 -3 3.0 2.5 2.0 1.5 1.0 0.50 0.0 Control Voltage (V) 4 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information.