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ADL5561-EVALZ Arkusz danych(PDF) 1 Page - Analog Devices |
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ADL5561-EVALZ Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 25 page 2.9 GHz Ultralow Distortion RF/IF Differential Amplifier Data Sheet ADL5561 Rev. G Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2009–2017 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES −3 dB bandwidth of 2.9 GHz (AV = 6 dB) Low supply current: 40 mA Pin-strappable gain adjust: 6 dB, 12 dB, 15.5 dB Differential or single-ended input to differential output Low noise input stage: 2.1 nV/√Hz RTI at AV = 12 dB Low broadband distortion (AV = 6 dB) 10 MHz: −94 dBc HD2, −87 dBc HD3 70 MHz: −98 dBc HD2, −87 dBc HD3 140 MHz: −95 dBc HD2, −87 dBc HD3 250 MHz: −80 dBc HD2, −73 dBc HD3 IMD3s of −86 dBc at 250 MHz center Slew rate: 9.8 V/ns Fast settling of 2 ns and overdrive recovery of 3 ns Single-supply operation: 3 V to 3.6 V Power-down control Fabricated using the high speed XFCB3 SiGe process APPLICATIONS Differential ADC drivers Single-ended-to-differential conversion RF/IF gain blocks SAW filter interfacing FUNCTIONAL BLOCK DIAGRAM VIP2 ENBL RF RF VCOM VOP GND VIP1 VIN1 VIN2 ADL5561 GND VCC VON RG2 RG1 RG1 RG2 Figure 1. GENERAL DESCRIPTION The ADL5561 is a high performance differential amplifier optimized for RF and IF applications. The amplifier offers low noise of 2.1 nV/√Hz and excellent distortion performance over a wide frequency range, making it an ideal driver for high speed 8-bit to 16-bit analog-to-digital converters (ADCs). The ADL5561 provides three gain levels of 6 dB, 12 dB, and 15.5 dB through a pin-strappable configuration. For the single-ended input configuration, the gains are reduced to 5.6 dB, 11.1 dB, and 14.1 dB. Using an external series input resistor expands the amplifier gain flexibility and allows for any gain selection from 0 dB to 15.5 dB. The quiescent current of the ADL5561 is typically 40 mA and, when disabled, consumes less than 3 mA, offering excellent input-to-output isolation. The device is optimized for wideband, low distortion performance. These attributes, together with its adjustable gain capability, make this device the amplifier of choice for general-purpose IF and broadband applications where low distortion, noise, and power are critical. This device is optimized for the best combination of slew speed, bandwidth, and broadband distortion. These attributes allow it to drive a wide variety of ADCs and make it ideally suited for driving mixers, pin diode attenuators, SAW filters, and multi- element discrete devices. Fabricated on the Analog Devices, Inc., high speed SiGe process, the ADL5561 is supplied in a compact 3 mm × 3 mm, 16-lead LFCSP package and operates over the temperature range of −40°C to +85°C. |
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