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AD13280AZ Scheda tecnica(PDF) 1 Page - Analog Devices |
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AD13280AZ Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 20 page 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. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD13280 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2001 FEATURES Dual, 80 MSPS Minimum Sample Rate Channel-to-Channel Matching, 1% Gain Error 90 dB Channel-to-Channel Isolation DC-Coupled Signal Conditioning 80 dB Spurious-Free Dynamic Range Selectable Bipolar Inputs ( 1 V and 0.5 V Ranges) Integral Single-Pole Low-Pass Nyquist Filter Two’s Complement Output Format 3.3 V Compatible Outputs 1.85 W per Channel Industrial and Military Grade APPLICATIONS Radar Processing (Optimized for I/Q Baseband Operation) Phased Array Receivers Multichannel, Multimode Receivers GPS Antijamming Receivers Communications Receivers Dual Channel, 12-Bit, 80 MSPS A/D Converter with Analog Input Signal Conditioning PRODUCT DESCRIPTION The AD13280 is a complete dual channel signal processing solution including on board amplifiers, references, ADCs, and output termination components to provide optimized system performance. The AD13280 has on-chip track-and-hold circuitry and utilizes an innovative multipass architecture to achieve 12-bit, 80 MSPS performance. The AD13280 uses innovative high- density circuit design and laser-trimmed thin-film resistor networks to achieve exceptional channel matching, impedance control, and performance while still maintaining excellent isolation, and providing for significant board area savings. Multiple options are provided for driving the analog input, including single-ended, differential, and optional series filtering. The AD13280 also offers the user a choice of analog input signal ranges to further minimize additional external signal conditioning, while still remaining general purpose. The AD13280 operates with ±5.0 V for the analog signal condi- tioning with a separate 5.0 V supply for the analog-to-digital conversion, and 3.3 V digital supply for the output stage. Each channel is completely independent allowing operation with independent encode and analog inputs, and maintaining mini- mal crosstalk and interference. The AD13280 is packaged in a 68-lead ceramic gull wing package. Manufacturing is done on Analog Devices, Inc. MIL-38534 Qualified Manufacturers Line (QML) and components are available up to Class-H (–40 °C to +85°C). The components are manufactured using Analog Devices, Inc. high-speed comple- mentary bipolar process (XFCB). PRODUCT HIGHLIGHTS 1. Guaranteed sample rate of 80 MSPS. 2. Input signal conditioning included; gain and impedance match. 3. Single-ended, differential, or off-module filter options. 4. Fully tested/characterized full channel performance. 5. Compatible with 14-bit (up to) 65 MSPS family. FUNCTIONAL BLOCK DIAGRAM 100 OUTPUT TERMINATORS TIMING 3 9 12 VREF DROUT 12 ENC ENC D9A D10A D11A (MSB) D0B (LSB) D1B D3B D2B D4B D5B D6B D7B D8B TIMING D9B 7 5 ENC ENC B–IN D10B D11B (MSB) (LSB) D0A D1A D2A D3A D4A D5A D6A D7A D8A AD13280 DROUTA 100 OUTPUT TERMINATORS AMP-IN-B-2 AMP-IN-B-1 AMP-IN-A-2 AMP-IN-A-1 AMP-OUT-A A–IN A+IN B+IN AMP-OUT-B DROUTB DROUT VREF |
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