DATA SHEET ACA2429: 1218 MHz High-Output GaN CATV Power-Doubler Amplifier Applications Advanced high-power, high-frequency HFC transmission systems Output power doubler for deep fiber node in CATV distribution CATV digital edge QAM output driver Features 50 to 1218 MHz frequency range Output power: +59 dBmV Description Gain: 25 dB at 1218 MHz The ACA2429 is a highly linear, high-output power integrated RF amplifier designed for CATV head-ends and HFC distribution systems. The IC consists of two parallel amplifiers that are optimized for exceptionally low distortion, high-output power, and high crash-point in a thermally enhanced surface-mount package. A GaN output stage is incorporated to minimize the operating (bias) current, thus making this an excellent choice for environmentally friendly "green" initiatives. The ACA2429 provides high gain over the 50 to 1218 MHz CATV downstream band, and is cascaded between two transmission line baluns. 1 dB tilt over bandwidth Single +24 V supply Operating current: 430 mA GaN amplifier technology Halogen-free/RoHS compliant Skyworks GreenTM products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of GreenTM, document number SQ04-0074. RF Input A block diagram of the ACA2429 is shown in Figure 1. The device package and pinout are shown in Figure 2. Signal pin assignments and functional pin descriptions are described in Table 1. 1A 2A 1B 2B RF Output 204309-001 Figure 1. ACA2429 Block Diagram Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 204207C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * April 30, 2019 1 DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER 1 GND GND 16 2 2AIN 1AOUT 15 3 GND BIAS 1A 14 4 1AIN 2AOUT 13 5 1BIN 2BOUT 12 6 ISET BIAS 1B 11 7 2BIN 1BOUT 10 8 GND GND 9 204309-002 Figure 2. ACA2429 Pinout (Top View) Table 1. ACA2429 Signal Pin Descriptions Pin Name Description Pin Name Description 1 GND Ground 9 GND Ground 2 2AIN Amplifier 2A input 10 1BOUT Amplifier 1B output 3 GND Ground 11 BIAS 1B Bias for 1B amplifier 4 1AIN Amplifier 1A input 12 2BOUT Amplifier 2B output and supply 5 1BIN Amplifier 1B input 13 2AOUT Amplifier 2A output and supply 6 ISET Current adjust 14 BIAS 1A Bias for 1A amplifier 7 2BIN Amplifier 2B input 15 1AOUT Amplifier 1A output 8 GND Ground 16 GND Ground Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2 April 30, 2019 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * 204207C DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Electrical and Mechanical Specifications The absolute maximum ratings of the ACA2429 are provided in Table 2. Recommended operating conditions are specified in Table 3, and electrical specifications are provided in Table 4. Table 2. ACA2429 Absolute Maximum Ratings1 Parameter Minimum Maximum Units 0 +28 VDC +4 VDC Supply (pins 12 and 13) Current adjust (pin 6) RF power at inputs (pins 4 and 5) +75 dBmV Case operating temperature (Tc) -40 +110 C Storage temperature -65 +150 C Soldering temperature Soldering time +260 C 5.0 sec 1 Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device. 2 Pins 2, 4, 5, and 7 should be AC coupled. No external DC bias should be applied. 3 Pin 6 should be AC-grounded and/or pulled to ground through a resistor for current control. 4 Pins 10, 11, 14, and 15 should have no other external bias applied. ESD HANDLING: Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device. This device must be protected at all times from ESD when handling or transporting. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD handling precautions should be used at all times. Table 3. ACA2429 Recommended Operating Conditions1 Parameter Symbol RF input/output frequency f Supply voltage VDD Min 50 Current adjust (pin 15) Case temperature TCASE Typ -40 Max Units 1218 MHz +24 VDC +1.5 VDC +100 C 1 Performance is guaranteed only under the conditions listed in this table. Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 204207C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * April 30, 2019 3 DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Table 4. ACA2429 Electrical Specifications1,3,4 (TA = +25 C, VDD = +24 VDC, f = 50 to 1218 MHz, 75 System, Unless Otherwise Noted) Parameter Gain3 Symbol G Test Condition 1218 MHz Min Typ Max Units 24.5 25.25 26 dB Gain flatness to 1218 MHz2,3 Cable equivalent slope3 0.2 dB 1 dB Noise figure NF 5 Composite triple beat1 CTB -78 -74 dBc Composite second order1 CSO -66 -64 dBc Composite intermodulation noise1 CIN -60 -56 dB Input return loss3 RL -20 -18 dB -20 -18 dB 2.7 3.3 C/W 430 470 mA Output return loss3 RL Thermal resistance JC Junction-to-case slug Supply current 400 dB 1 Parts measured with 79 NTSC analog channels plus digital QAM channels to 1000 MHz, +58 dBmV output power and 15.5 dB tilt referenced to 1 GHz. 2 Peak deviation from a straight line between gain value at 50 MHz and 1218 MHz. 3 Measured in application circuit in Figure 3. 4 All specifications as measured on the Evaluation Board. Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4 April 30, 2019 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * 204207C DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Evaluation Board Description The ACA2429 Evaluation Board is used to test the performance of the ACA2429 device. An Evaluation Board schematic is provided in Figure 3. Table 5 provides the Bill of Materials (BOM) list for Evaluation Board components. Figure 3. ACA2429 Evaluation Board Schematic Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 204207C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * April 30, 2019 5 DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Table 5. ACA2429 Evaluation Board Bill of Materials (BOM) Component Value Mfr Mfr Part Number C1, C2, C3, C16, C17 0.01 uF Murata GRM155R71H103KA C4 0.5 pF Murata GRM1555C1HR50BA01D C5, C8 1.3 pF Murata GRM1555C1H1R3BA01D C6, C7 270 pF Murata GRM1555C1H271JA01D C9 0.1 uF Murata GRM1555C1HR104BA01D C10, C11, C14, C15 4700 pF Murata GRM155R71H472JA01D C12, C13 150 pF Murata GRM1555C1H151JA01D C18 0.2 pF Murata GRM1555C1HR20BA01D C19 68 pF Murata GRM1555C1H680FA01D C20 47 uF Panasonic ECE-A1HN470UB L1 1.0 nH Murata LQG15HN1N0SO2D L2, L3 2.2 nH Murata LQG15HN2N2S02D L4, L5 470 nH Murata LQH31CNR47M03L L6, L9 680 nH Allied LS03-R68J-RC L7, L8 0 KOA Speer RK73Z1ETTP R1, R4 0 KOA Speer RK73Z1ETTP R2 1.2 k KOA Speer RK73H1JTTD1201F R3 DNI DNI DNI R5 8.25 KOA Speer RK73H1ETTP8R25F T1 1:1 transformer Minntronix MRF-25001 T2 2:1 transformer Minntronix MRF-27001 U1 ACA2429 PCB 11G21A75_B10 Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 6 April 30, 2019 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * 204207C DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Package Dimensions Package and Handling Information The PCB layout footprint drawing for the ACA2429 is shown in Figure 5. The package dimensions for the ACA2429 are shown in Figure 6. The tape and reel dimensions are provided in Figure 7. Since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. The ACA2429 is rated to Moisture Sensitivity Level 2 (MSL2) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information, document number 200164. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 204207C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * April 30, 2019 7 DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Figure 5. ACA2429 PCB Layout Footprint Dimensions Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 8 April 30, 2019 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * 204309H DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Figure 6. ACA2429 Package Dimensions Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 204207C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * April 30, 2019 9 DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Figure 7. ACA2429 Tape and Reel Dimensions Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 10 April 30, 2019 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * 204207C DATA SHEET * ACA2429: 1218 MHz HIGH-OUTPUT GaN CATV POWER DOUBLER AMPLIFIER Ordering Information Part Number Product Description ACA2429P2 16-pin wide body SOIC with heat slug EVB2429 Evaluation Board Packaging 1500-piece tape and reel Copyright (c) 2016-2019 Skyworks Solutions, Inc. All Rights Reserved. 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Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 204207C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice * April 30, 2019 11