MA4ST300 Series Low-Voltage / Wide Band Si Hyperabrupt Varactors Rev. V7 Features • Surface Mount Packages (SC70 3LD, SC79, SOD-323) • High Capacitance Ratio at Low Voltages • High Q at Low Voltages • SPC Process for Superior C-V Repeatability • Available as Single and Common Cathode Pairs • Tape and Reel Packaging • Designed for Commercial Wireless Applications • Also offering RoHS Compliant Equivalent Parts Absolute Maximum Ratings 1,2 @ TA=+25 °C (Unless Otherwise Noted) Description The MA4ST300 series are ion-implanted, hyperabrupt junction, silicon tuning varactors in SC79, SC70 3LD, and SOD-323 surface mount packages. This series of varactors is designed for high capacitance ratio and low voltage operation. Each varactor type has a better than 3:1 capacitance ratio between 0.5V and 3.0V. Parameter Absolute Maximum Reverse Voltage 12 V Forward Current 50 mA Total Power Dissipation 250 mW Operating Temperature -55 °C to +125 °C Storage Temperature -55 °C to +125 °C 1. Operation of this device above any one of these parameters may cause permanent damage. 2. Please refer to application note M538 for surface mounting instructions Applications The MA4ST300 series tuning varactors are useful for wide band tuning and low phase noise applications where the supply voltage is limited to 5 volts or less. These varactors have been specifically designed to cover wireless application bands up to the 2.4 GHz WLAN band. Applications include VCOs and voltage tuned filters. Typical Device Selection by Frequency 320 330 340 350 Active Pagers CT2 SMR PDC GSM IS-136/95 RoHS Compliant Parts Part Number MA4ST320 RoHs Compliant Part Number MAVR-000320 NMT TACS AMPS NMT JCT 1 MA4ST330 MAVR-000330 MA4ST340 MAVR-000340 MA4ST350 MAVR-000350 0.25 0.5 PCS GPS WLAN DCS1800 PHP 0.75 1.0 FREQUENCY (GHz) DECT 2.0 3.0 Specifications are subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. MA4ST300 Series Low-Voltage / Wide Band Si Hyperabrupt Varactors Rev. V7 Electrical Specifications @ TA = +25 °C Breakdown Voltage @ IR = 10μA, Vb = 12 V Minimum Reverse Leakage Current @ VR =10V, IR = 100 nA Maximum CT 2 Part Number Base 1 1. 2. RoHS Compliant Part Number Base 1 Capacitance Ratio Q Factor (pF) (pF) f = 1 MHz, VR = 0.5 V f = 1 MHz VR = 3.0 V CT0.5/CT3.0 f = 50 MHz VR = 2.0 V Min. Nom. Max. Max. Typ. Min. MA4ST320 MAVR-000320-XXXXXX 48.0 58.0 63.0 19.0 3.2 300 MA4ST330 MAVR-000330-XXXXXX 22.0 26.0 30.0 9.0 3.2 350 MA4ST340 MAVR-000340-XXXXXX 15.0 18.5 21.0 6.5 3.2 350 MA4ST350 MAVR-000350-XXXXXX 9.5 11.8 13.5 4.5 3.2 400 The prefix defines package style, configuration and packaging information. Contact representative for complete part identification. Capacitance @ 1 MHz Spice Model Intrinsic Diode Model: Rs N = 1.1 CJ0=(see table below) VJ = (see table below) FC = 0.5 BV = 12.0 V M = (see table below) Cj Cp Package Parasitics Ls Parasitics: Cp= 0.15 pF Ls= 1.4 nH Part No. CJ0 (pF) VJ (V) M MA4ST320 77.4 11.71 6.51 MA4ST330 33.9 8.91 5.15 MA4ST340 25.3 14.25 7.41 MA4ST350 15.7 14.55 7.26 Specifications are subject to change without prior notification 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. MA4ST300 Series Low-Voltage / Wide Band Si Hyperabrupt Varactors Rev. V7 Typical Performance Curves Total Capacitance vs. Reverse Voltage at 1 MHz Nominal Q at 50 MHz vs. Reverse Voltage 100 1000 MA4ST320 MA4ST340 Nominal Q Total Capacitance (pF) MA4ST330 MA4ST340 10 MA4ST350 MA4ST350 MA4ST330 MA4ST320 1 0.1 1 10 100 0.1 Reverse Voltage (V) 1 Reverse Voltage (V) Nominal Change in Capacitance with temperature 900 TCC(PPM/°C) 700 500 300 100 0 1 2 3 4 5 6 Reverse Voltage (V) 3 Specifications are subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. 10 MA4ST300 Series Low-Voltage / Wide Band Si Hyperabrupt Varactors Rev. V7 Case Styles SOD-323 (Case Style 1141) INCHES C F E D G H B A MILLIMETERS DIM. MIN. MAX. MIN. MAX. A B C D E F G H ⎯ ⎯ ⎯ 0.010 0.003 0.063 0.045 0.091 0.043 0.004 0.008 0.016 0.006 0.075 0.057 0.106 ⎯ ⎯ ⎯ 0.25 0.07 1.6 1.14 2.3 1.1 0.1 0.2 0.41 0.15 1.9 1.45 2.7 SC-70, 3 Lead (Case Style 1146) INCHES MIN. MAX. MILLIMETERS MIN. MAX. A 0.071 0.087 1.80 2.21 B 0.045 0.053 1.14 1.35 C D E F G H J 0.071 0.047 0.010 0.031 0.000 0.004 0.004 0.094 0.057 0.016 0.039 0.004 0.007 0.010 1.80 1.19 0.25 0.79 0.00 0.10 0.10 2.39 1.45 0.41 1.00 0.10 0.18 0.25 A DIM. H E J 10° M A X . C B G F D SC-79 (Case Style 1279) INCHES MIN. MAX. MILLIMETERS MIN. MAX. A .0197 .0276 0.50 0.70 B 0.003 0.008 0.07 0.20 C 0.006 0.010 0.15 0.25 D 0.010 0.014 0.25 0.35 E 0.059 0.067 1.50 1.70 F 0.043 0.051 1.09 1.30 DIM. G .0098 nominal 0.250 nominal H .0433 nominal 1.10 nominal I 4 .027 .035 0.68 0.89 Specifications subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. MA4ST300 Series Low-Voltage / Wide Band Si Hyperabrupt Varactors Rev. V7 Mounting Information SC-79 (Case Style 1279) The illustration indicates the recommended mounting pad configuration for the SC-79, SC70 3LD and SOD-323 packages. Solder paste containing flux should be screened onto the pads to a thickness of 0.005- 0.007 inches. The plastic package is placed in position, firmly adhering to the solder paste. 0.020 0.50 0.020 0.50 Permanent attachment is performed by a reflow soldering procedure during which the tab temperature does not exceed +275 °C and the body temperature does not exceed +250 °C, for standard models and +260 °C for the RoHS compliant devices. Please refer to Application Note M538 for surface mounting instructions. 0.053 1.35 Dimenstions: inches mm SOD-323 (Case Style 1141) 0.030 0.80 0.030 0.80 SC-70, 3 Lead (Case Style 1146) 0.030 0.80 0.030 0.80 0.075 1.9 0.030 0.80 .090 2.2 Dimenstions: inches mm 0.030 0.80 0.030 0.80 Dimenstions: inches mm Specifications are subject to change without prior notification 5 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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.