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ADAR4002ACPZ-R7 数据表(PDF) 1 Page - Analog Devices |
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ADAR4002ACPZ-R7 数据表(HTML) 1 Page - Analog Devices |
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1 / 66 page  Data Sheet ADAR4002 0.5 GHz to 19 GHz, 1-Channel, Bidirectional True Time Delay Unit Rev. A DOCUMENT FEEDBACK TECHNICAL SUPPORT Information furnished by Analog Devices is believed to be accurate and reliable "as is". 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. Trademarks and registered trademarks are the property of their respective owners. All Analog Devices products contained herein are subject to release and availability. FEATURES ► 0.5 GHz to 19 GHz frequency range ► Programmable 7-bit time delay ► Programmable time delay range (typical) ► Range 0: 0 ps to 508 ps with 4 ps standard resolution ► Range 1: 0 ps to 254 ps with 2 ps high resolution ► Programmable 6-bit attenuation ► 31.5 dB adjustment range ► 0.5 dB resolution ► Performance at 10 GHz for minimum time delay and attenuation ► Insertion loss ► Time Delay Range 0: −20.5 dB ► Time Delay Range 1: −16.2 dB ► Input IP3 ► Time Delay Range 0: 15.2 dBm ► Time Delay Range 1: 14.1 dBm ► Input P1dB ► Time Delay Range 0: 5 dBm ► Time Delay Range 1: 4.1 dBm ► Noise figure ► Time Delay Range 0: 21.2 dB ► Time Delay Range 1: 16.6 dB ► Fully programmable via a 3-wire or 4-wire SPI ► 14-bit shift register for daisy chaining and quick data load ► Power consumption: 1 mW with 1.2 V and 1.0 V dual supplies ► 14-lead, 3 mm × 2 mm, LFCSP APPLICATIONS ► Electronic steerable antenna arrays ► Multifunction arrays ► Satellite communications (SATCOM) ► Radar ► Data links ► Test equipment FUNCTIONAL BLOCK DIAGRAM Figure 1. ADAR4002 Block Diagram GENERAL DESCRIPTION The ADAR4002 is a low power broadband, bidirectional, single- channel, true time delay unit (TDU) and a digital step attenuator (DSA). The IC has 18.5 GHz of bandwidth over a frequency range of 0.5 GHz to 19 GHz with 50 Ω input impedance at both RF ports. The TDU has two programmable maximum time delays, each with 7-bit control. Range 0 has a maximum delay of 508 ps with a resolution of 4 ps (typical). This range is used at lower frequencies where the ADAR4002 has less insertion loss and where more time delay is required for full 360° phase coverage. Range 1 has a maximum delay of 254 ps and a resolution of 2 ps (typical). This range has less insertion loss compared to Range 0 and is useful at higher frequencies where the ADAR4002 has higher insertion loss, and where less time delay and smaller resolution are required. The DSA has 6-bit resolution with an attenuation range of 0 dB to 31.5 dB and a step size of 0.5 dB. The ADAR4002 is designed to provide flexible digital control through either a serial port interface (SPI) or a shift register to allow daisy chaining multiple chips together. The ADAR4002 contains register memory for 32 TDU and DSA states. The memory com- bined with on-chip sequencers, allows a fast bidirectional memory advance via the UPDATE pin. The ADAR4002 is available in a 14-lead, 2 mm x 3 mm, LFCSP and is specified from −40°C to +85°C. |
类似零件编号 - ADAR4002ACPZ-R7 |
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类似说明 - ADAR4002ACPZ-R7 |
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