PDF ADL5240 Data sheet ( Hoja de datos )

Número de pieza	ADL5240
Descripción	100 MHz to 4000 MHz RF/IF Digitally Controlled VGA
Fabricantes	Analog Devices
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No Preview Available ! 100 MHz to 4000 MHz RF/IF Digitally Controlled VGA ADL5240 FEATURES Operating frequency from 100 MHz to 4000 MHz Digitally controlled VGA with serial and parallel interfaces 6-bit, 0.5 dB digital step attenuator 31.5 dB gain control range with ±0.25 dB step accuracy Gain block amplifier specifications Gain: 19.7 dB at 2.14 GHz OIP3: 41.0 dBm at 2.14 GHz P1dB: 19.5 dBm at 2.14 GHz Noise figure: 2.9 dB at 2.14 GHz Gain block or digital step attenuator can be first Single supply operation from 4.75 V to 5.25 V Low quiescent current of 93 mA Thermally efficient, 5 mm × 5 mm, 32-lead LFCSP The companion ADL5243 integrates a ¼ W driver amplifier to the output of the gain block and DSA APPLICATIONS Wireless infrastructure Automated test equipment RF/IF gain control GENERAL DESCRIPTION The ADL5240 is a high performance, digitally controlled variable gain amplifier (VGA) operating from 100 MHz to 4000 MHz. The VGA integrates a high performance, 20 dB gain, internally matched amplifier (AMP) with a 6-bit digital step attenuator (DSA) that has a gain control range of 31.5 dB in 0.5 dB steps with ±0.25 dB step accuracy. The attenuation of the DSA can be controlled using a serial or parallel interface. Both the gain block and DSA are internally matched to 50 Ω at their inputs and outputs and are separately biased. The separate bias allows all or part of the ADL5240 to be used, which facilitates easy reuse throughout a design. The pinout of the ADL5240 also enables either the gain block or DSA to be first, giving the VGA maximum flexibility in a signal chain. The ADL5240 consumes just 93 mA and operates from a single supply ranging from 4.75 V to 5.25 V. The VGA is packaged in a thermally efficient, 5 mm × 5 mm, 32-lead LFCSP and is fully specified for operation from −40°C to +85°C. A fully populated evaluation board is available. FUNCTIONAL BLOCK DIAGRAMwww.DataSheet.co.kr 32 31 30 29 28 27 26 25 VDD 1 NC 2 SERIAL/PARALLEL INTERFACE NC 3 DSAIN 4 NC 5 0.5dB 1dB 2dB 4dB 8dB 16dB NC 6 NC 7 ADL5240 AMP NC 8 9 10 11 12 13 14 15 16 24 VDD 23 NC 22 NC 21 DSAOUT 20 NC 19 NC 18 NC 17 NC Figure 1. Rev. 0 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 ©2011 Analog Devices, Inc. All rights reserved. Datasheet pdf - http://www.DataSheet4U.net/ 1 page Parameter DSA FREQUENCY = 450 MHz Insertion Loss vs. Frequency vs. Temperature Attenuation Range Attenuation Step Error Attenuation Absolute Error Input Return Loss Output Return Loss Input Third-Order Intercept DSA FREQUENCY = 748 MHz Insertion Loss vs. Frequency vs. Temperature Attenuation Range Attenuation Step Error Attenuation Absolute Error Input Return Loss Output Return Loss Input Third-Order Intercept DSA FREQUENCY = 943 MHz Insertion Loss vs. Frequency vs. Temperature Attenuation Range Attenuation Step Error Attenuation Absolute Error Input Return Loss Output Return Loss Input 1 dB Compression Point Input Third-Order Intercept DSA FREQUENCY = 1960 MHz Insertion Loss vs. Frequency vs. Temperature Attenuation Range Attenuation Step Error Attenuation Absolute Error Input Return Loss Output Return Loss Input 1 dB Compression Point Input Third-Order Intercept DSA FREQUENCY = 2140 MHz Insertion Loss vs. Frequency vs. Temperature Attenuation Range Attenuation Step Error Attenuation Absolute Error Input Return Loss Output Return Loss Input 1 dB Compression Point Input Third-Order Intercept ADL5240 Test Conditions/Comments Min Typ Max Unit Using the DSAIN and DSAOUT pins Minimum attenuation −1.5 dB ±50 MHz ±0.02 dB −40°C ≤ TA ≤ +85°C ±0.10 dB 30.7 dB All attenuation states ±0.14 dB All attenuation states ±0.42 dB Minimum attenuation −17.6 dB Minimum attenuation −17.6 dB ∆f = 1 MHz, POUT = 4 dBm/tone, minimum attenuation 41.0 dBm Using the DSAIN and DSAOUT pins Minimum attenuation −1.6 dB ±50 MHz ±0.02 dB −40°C ≤ TA ≤ +85°C ±0.11 dB 30.9 dB All attenuation states ±0.15 dB All attenuation states ±0.32 dB Minimum attenuation −17.4 dB Minimum attenuation −17.4 dB ∆f = 1 MHz, POUT = 4 dBm/tone, minimum attenuation 40 dBm Using the DSAIN and DSAOUT pins Minimum attenuation −1.6 dB ±18 MHz ±0.01 dB −40°C ≤ TA ≤ +85°C ±0.12 dB 30.9 dB All attenuation states www.DataSheet.co.kr All attenuation states ±0.13 ±0.30 dB dB Minimum attenuation −16.6 dB Minimum attenuation −16.5 dB Minimum attenuation 30.5 dBm ∆f = 1 MHz, POUT = 4 dBm/tone, minimum attenuation 48.5 dBm Using the DSAIN and DSAOUT pins Minimum attenuation −2.4 dB ±30 MHz ±0.02 dB −40°C ≤ TA ≤ +85°C ±0.16 dB 31.0 dB All attenuation states ±0.15 dB All attenuation states ±0.29 dB Minimum attenuation −12.0 dB Minimum attenuation −11.5 dB Minimum attenuation 31.5 dBm ∆f = 1 MHz, POUT = 4 dBm/tone, minimum attenuation 45.0 dBm Using the DSAIN and DSAOUT pins Minimum attenuation −2.5 dB ±30 MHz ±0.02 dB −40°C ≤ TA ≤ +85°C ±0.17 dB 31.0 dB All attenuation states ±0.12 dB All attenuation states ±0.26 dB Minimum attenuation −11.9 dB Minimum attenuation −11.2 dB Minimum attenuation 31.5 dBm ∆f = 1 MHz, POUT = 4 dBm/tone, minimum attenuation 44.5 dBm Rev. 0 \| Page 5 of 24 Datasheet pdf - http://www.DataSheet4U.net/ 5 Page 0 0dB –5 –10 –15 –20 –25 –30 –35 31.5dB –40 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 3.3 3.7 4.1 FREQUENCY (GHz) Figure 9. DSA: Attenuation vs. Frequency –1 –6 4dB –11 8dB 0dB –16 16dB –21 +85°C –26 +25°C –40°C –31 31.5dB –36 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 3.3 3.7 4.1 FREQUENCY (GHz) Figure 10. DSA: Attenuation vs. Frequency and Temperature 0.5 0.4 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 0 450MHz 748MHz 943MHz 1960MHz 2140MHz 2630MHz 3600MHz 4 8 12 16 20 24 28 ATTENUATION (dB) Figure 11. DSA: Step Error vs. Attenuation 32 ADL5240 1.0 0.8 0.6 31.5dB 30.5dB 16dB 0.4 0.2 0 –0.2 –0.4 –0.6 31dB –0.8 –1.0 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 3.3 3.7 4.1 FREQUENCY (GHz) Figure 12. DSA: Step Error vs. Frequency, All Attenuation States 1.0 748MHz 0.8 450MHz 1960MHz 0.6 0.4 0.2 2140MHz 0 2630MHz 943MHz –0.2 –0.4 www.DataSheet.co.kr –0.6 –0.8 3600MHz –1.0 0 4 8 12 16 20 24 28 ATTENUATION (dB) Figure 13. DSA: Absolute Error vs. Attenuation 32 0 –5 –10 0dB –15 –20 31.5dB –25 –30 –35 –40 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 3.3 3.7 4.1 FREQUENCY (GHz) Figure 14. DSA: Input Return Loss vs. Frequency, All States Rev. 0 \| Page 11 of 24 Datasheet pdf - http://www.DataSheet4U.net/ 11 Page

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