PDF ADL5542 Data sheet ( Hoja de datos )

Número de pieza	ADL5542
Descripción	50 MHz to 6 GHz RF/IF Gain Block
Fabricantes	Analog Devices
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No Preview Available ! FEATURES Fixed gain of 20 dB Operation up to 6 GHz Input/output internally matched to 50 Ω Integrated bias control circuit Output IP3 46 dBm at 500 MHz www.DataSheet4U4.0codmBm at 900 MHz Output 1 dB compression: 20.6 dB at 900 MHz Noise figure of 3 dB at 900 MHz Single 5 V power supply Small footprint 8-lead LFCSP Pin compatible with 15 dB gain ADL5541 1 kV ESD (Class 1C) GENERAL DESCRIPTION The ADL5542 is a broadband 20 dB linear amplifier that operates at frequencies up to 6 GHz. The device can be used in a wide variety of CATV, cellular, and instrumentation equipment. The ADL5542 provides a gain of 20 dB that is stable over frequency, temperature, power supply, and from device to device. The device is internally matched to 50 Ω with an input return loss of 10 dB or better, up to 6 GHz. Only input/output ac coupling capacitors, power supply decoupling capacitors, and an external inductor are required for operation. 50 MHz to 6 GHz RF/IF Gain Block ADL5542 FUNCTIONAL BLOCK DIAGRAM RFIN 1 GND 2 INPUT MATCH OUTPUT MATCH BIAS CONTROL 8 RFOUT 7 GND GND 3 CB 4 ADL5542 6 GND 5 VPOS Figure 1. The ADL5542 is fabricated on an InGaP HBT process and has an ESD rating of 1 kV (Class 1C). The device is packaged in a 3 mm × 3 mm LFCSP that uses an exposed paddle for excellent thermal impedance. The ADL5542 consumes 93 mA on a single 5 V supply and is fully specified for operation from −40°C to +85°C. A fully populated RoHS-compliant evaluation board is available. The ADL5541 is a companion part that offers a gain of 15 dB in a pin-compatible package. Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved. 1 page ADL5542 TYPICAL SCATTERING PARAMETERS VPOS = 5 V and TA = 25°C, the effects of the test fixture have been de-embedded up to the pins of the device. Table 2. Freq. (MHz) 50 100 500 900 1000 1500 2000 www.DataShee2t45U00.com 3000 3500 4000 4500 5000 5500 6000 Magnitude (dB) −23.9427 −29.6174 −34.5211 −37.74 −33.8877 −24.7749 −17.038 −9.60208 −8.00289 −7.91011 −12.816 −17.625 −12.8458 −10.9468 −5.69808 Angle (°) −127.394 −153.6 +19.99577 +147.4543 +131.3191 −152.311 +178.4399 +153.1961 +128.6464 +103.6543 +96.79933 +156.5961 +173.0378 −154.419 −150.164 Magnitude (dB) 20.77572 20.51771 20.23355 20.07428 20.07369 19.80607 19.5708 19.26227 18.82098 18.18117 17.38515 17.57137 16.39804 15.13047 13.48849 Angle (°) +170.5022 +170.3216 +152.6774 +132.0556 +127.0206 +101.2591 +76.03876 +49.85321 +24.3132 −1.63173 −26.2863 −52.0317 −77.6904 −102.402 −125.082 Magnitude (dB) −23.0076 −22.6572 −22.5262 −22.4939 −22.4386 −22.3087 −21.9922 −21.6433 −21.0921 −21.2002 −20.7711 −20.0291 −19.9498 −19.8825 −20.3196 Angle (°) +3.044077 +1.38839 −10.9886 −21.2573 −23.7005 −35.6482 −48.9813 −60.9072 −76.3162 −91.6973 −103.208 −120.789 −136.697 −153.753 −170.25 Magnitude (dB) −23.9476 −32.4194 −26.2358 −20.2616 −20.323 −16.2712 −12.759 −9.74244 −8.77595 −10.5739 −13.1628 −7.31571 −6.22666 −9.89228 −10.7825 Angle (°) −132.996 −124.454 −129.115 −159.271 −160.866 +168.1644 +164.7149 +150.6577 +128.7323 +90.37487 +8.899607 −73.4032 −106.102 −111.644 −57.0274 Rev. A \| Page 5 of 12 5 Page EVALUATION BOARD Figure 19 shows the schematic for the ADL5542 evaluation board. The board is powered by a single 5 V supply. The components used on the board are listed in Table 6. Power can be applied to the board through clip-on leads (VCC and GND) or through a 2-pin header (W1). www.DataSheet4U.com Figure 17. Evaluation Board Layout (Bottom) ADL5542 W1 VCC RFIN C1 33pF C6 C5 1µF 1.2nF ADL5542 1 RFIN RFOUT 8 C4 68pF L1 47nH C2 33pF 2 GND GND 7 GND 3 GND GND 6 4 CB VPOS 5 C3 C7 C8 1µF 68pF OPEN DUT1 Figure 19. Evaluation Board Schematic RFOUT C9 OPEN VCC Figure 18. Evaluation Board Layout (Top) Table 6. Evaluation Board Configuration Options Component Function DUT1 Gain block C1, C2 AC coupling capacitors C3 Low frequency bypass capacitor C4, C5, C6, C7, C8, C9 Power supply decoupling capacitors L1 VCC and GND W1 DC bias inductor Clip-on terminals for power supply 2-pin header for connection of ground and supply via cable Default Value ADL5542 33 pF, 0402 1 μF, 0805 C4, C7 = 68 pF, 0603 C5 = 1.2 nF, 0603 C6 = 1 μF, 0805 C8, C9 = open 47 nH, 0603 (Coilcraft 0603CS-47NXJL_ or equivalent) Rev. A \| Page 11 of 12 11 Page

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