MAALSS0025 High Dynamic Range Low Noise Amplifier 400 - 500 MHz Features • • • • • • Rev. V1 Functional Block Diagram Low Noise Figure: 0.9 dB High OIP3: +28 dBm at 5 V, 60 mA bias High Gain: 21 dB Single Supply: +3 to +8 VDC Low Cost SOIC-8 Plastic Package Adjustable current: 20 to 80 mA with external resistor Description M/A-COM’s MAALSS0025 is a high dynamic range, low noise GaAs MMIC amplifier in a low cost, surface mount package. It employs external input matching to obtain optimum noise figure performance and operating frequency flexibility. The MAALSS0025 also features flexible biasing to control the current consumption vs. dynamic range trade-off. The MAALSS0025 can operate from any supply voltage in the 3 V to 8 V range. Its current can be controlled over a range of 20 mA to 80 mA with an external resistor. The MAALSS0025 is ideally suited for use where low noise figure, high gain, high dynamic range, and low power consumption are required. Typical applications include receiver front ends in CDMA450 base stations. It is also useful as a gain block, buffer, driver, and IF amplifier in both fixed and portable cellular and 450 MHz ISM systems. The MAALSS0025 is fabricated using a low-cost 0.5-micron gate length GaAs process. The process features full passivation for increased performance reliability. GND GND REXT VDD RF IN RF OUT GND GND Pin Configuration Pin No. Pin Name Description 1 GND RF and DC Ground 2 REXT External Current Control (optional) 3 RF IN RF Input 4 GND RF and DC Ground 5 GND RF and DC Ground 6 RF OUT RF Output 7 VDD Positive supply voltage 8 GND RF and DC Ground Absolute Maximum Ratings 3 Parameter Absolute Maximum VDD +10 VDC Input Power Ordering Information1,2 Current +10 dBm 4 120 mA 5 Part Number Package MAALSS0025 Bulk Packaging MAALSS0025TR 1000 piece reel MAALSS0025SMB Sample Test Board 1. Reference Application Note M513 for reel size information. 2. All sample boards include 5 loose parts. Channel Temperature +150°C Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C 3. Exceeding any one or combination of these limits may cause permanent damage to this device. 4. When pin #2 is used to increase current (see note 6). 5. Thermal resistance (θjc) = +88°C/W. 1 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAALSS0025 High Dynamic Range Low Noise Amplifier 400 - 500 MHz Rev. V1 Electrical Specifications: TA = +25°C, Z0 = 50 Ω, F = 450 MHz, Pin = -30 dBm Parameter Test Conditions Units Min Typ Max Gain 5 V, 60 mA6 dB 19 21 24 6 Noise Figure 5 V, 60 mA dB — 0.9 1.4 Input Return Loss — dB — 9 — Output Return Loss — dB — 11 — Output 1 dB Compression 3 5 V, 60 mA dBm — 16.5 — Output IP3 5 V, 60 mA3 dBm — 28 — 3 Input IP3 5 V, 60 mA dBm 3 7 — Reverse Isolation — dB — 34 — 6. Using external 15-ohm resistor. See functional schematic. External Circuitry Parts List Functional Schematic VDD L3 C3 IN L2 C1 C4 7 3 OUT 6 Part Value Purpose C1 100 pF DC Block C2 8 pF Input Matching C3 470 pF Bypass C4 4 pF Output Matching L1 22 nH Input Matching L2 43 nH Input Matching L3 12 nH RF Choke L4 11 nH Output Matching R1 15 Ohms Optional current control7 (see note 6) 1,4,5,8 2 L1 C2 L4 R1 (See note 6) Handling Procedures The following precautions should be observed to avoid damage: 7. Pin 2 allows use of an external resistor to ground for optional, higher current. For 20 mA operation, no resistor is used. For IDD ~ 40 mA, R2 = 43 ohms; IDD ~ 60 mA, R2 = 15 ohms; IDD ~ 80 mA, R2 = 10 ohms. Static Sensitivity Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices. 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAALSS0025 High Dynamic Range Low Noise Amplifier 400 - 500 MHz Rev. V1 Typical Performance Curves over Temperature Gain Reverse Isolation 0 23 +25°C -40°C +85°C -10 21 -20 19 -30 +25°C -40°C +85°C 17 15 400 420 440 460 480 -40 500 -50 400 420 Frequency (MHz) 460 480 500 Output Return Loss Input Return Loss 0 0 +25°C -40°C +85°C -3 -6 -9 -9 -12 -12 -15 400 420 440 460 480 +25°C -40°C +85°C -3 -6 500 -15 400 420 Frequency (MHz) 440 460 480 500 Frequency (MHz) Noise Figure Output IP3 35 2.0 1.6 440 Frequency (MHz) +25°C -40°C +85°C 30 1.2 25 0.8 20 +25°C -40°C +85°C 0.4 0.0 400 420 440 460 Frequency (MHz) 480 500 15 400 420 440 460 480 500 Frequency (MHz) 3 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAALSS0025 High Dynamic Range Low Noise Amplifier 400 - 500 MHz Rev. V1 SO-8 Recommended PCB Configuration Cross Section View The PCB dielectric between RF traces and RF ground layers should be chosen to reduce RF discontinuities between 50-ohm lines and package pins. M/A-COM recommends an FR-4 dielectric thickness of 0.008” (0.20 mm) yielding a 50-ohm line width of 0.015” (0.38 mm). The recommended RF metalization thickness is 1 ounce copper. 4 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice.