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ADL5201-EVALZ Datasheet(PDF) 1 Page - Analog Devices |
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ADL5201-EVALZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 28 page Wide Dynamic Range, High Speed, Digitally Controlled VGA Data Sheet ADL5201 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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 ©2011 Analog Devices, Inc. All rights reserved. FEATURES −11.5 dB to +20 dB gain range 0.5 dB ± 0.1 dB step size 150 Ω differential input and output 7.5 dB noise figure at maximum gain OIP3 > 50 dBm at 200 MHz −3 dB upper frequency bandwidth of 700 MHz Multiple control interface options Parallel 6-bit control interface (with latch) Serial peripheral interface (SPI) (with fast attack) Gain up/down mode Wide input dynamic range Low power mode option Power-down control Single 5 V supply operation 24-lead, 4 mm × 4 mm LFCSP package APPLICATIONS Differential ADC drivers High IF sampling receivers High output power IF amplification Instrumentation FUNCTIONAL BLOCK DIAGRAM +20dB ADL5201 SPI WITH FA, PARALLEL WITH LATCH, UP/DOWN INTERFACE VPOS GND PWUP 0dB TO 31.5dB VIN+ MODE0, MODE1 VIN– PM VOUT+ VOUT– 150Ω 150Ω LOGIC Figure 1. GENERAL DESCRIPTION The ADL5201 is a digitally controlled, variable gain, wide band- width amplifier that provides precise gain control, high IP3, and low noise figure. The excellent distortion performance and high signal bandwidth make the ADL5201 an excellent gain control device for a variety of receiver applications. The ADL5201 also incorporates a low power mode option that lowers the supply current. For wide input dynamic range applications, the ADL5201 provides a broad 31.5 dB gain range with 0.5 dB resolution. The gain is adjustable through multiple gain control interface options: parallel, serial peripheral interface, and up/down. Incorporating proprietary distortion cancellation techniques, the ADL5201 achieves an output IP3 of greater than 47 dBm at frequencies approaching 200 MHz for most gain settings. The ADL5201 is powered on by applying the appropriate logic level to the PWUP pin. The quiescent current of the ADL5201 is typically 80 mA in low power mode. When configured in high performance mode for more demanding applications, the quiescent current is 110 mA. When powered down, the ADL5201 consumes less than 7 mA and offers excellent input-to-output isolation. The gain setting is preserved during power-down. Fabricated on an Analog Devices, Inc., high speed SiGe process, the ADL5201 provides precise gain adjustment capabilities with good distortion performance and low phase error. The ADL5201 amplifier comes in a compact, thermally enhanced, 24-lead, 4 mm × 4 mm LFCSP package and operates over the temperature range of −40°C to +85°C. |
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