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ADV3222-EVALZ Arkusz danych(PDF) 1 Page - Analog Devices |
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ADV3222-EVALZ Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 20 page 800 MHz, 4:1 Analog Multiplexer ADV3221/ADV3222 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalog Devices foritsuse,nor for anyinfringements ofpatents orother 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 ©2010 Analog Devices, Inc. All rights reserved. FEATURES Excellent ac performance −3 dB bandwidth 800 MHz (200 mV p-p) 750 MHz (2 V p-p) Slew rate: 2400 V/μs Low power: 75 mW, VS = ±5 V Excellent video performance 100 MHz, 0.1 dB gain flatness 0.02% differential gain error/0.02° differential phase error (RL = 150 Ω) ADV3221 is a pin-for-pin upgrade to the HA4344 Gain = +1 (ADV3221) or gain = +2 (ADV3222) Low all hostile crosstalk of −85 dB @ 5 MHz, and −58 dB @ 100 MHz Latched control lines for synchronous switching High impedance output disable allows connection of multiple devices without loading the output bus 16-lead SOIC APPLICATIONS Routing of high speed signals including Video (NTSC, PAL, S, SECAM, YUV, RGB) Compressed video (MPEG, wavelet) 3-level digital video (HDB3) Data communications Telecommunications FUNCTIONAL BLOCK DIAGRAM DQ LATCH DQ LATCH DQ LATCH DQ LATCH DQ LATCH DQ LATCH 100k Ω 100k Ω A0 A1 CK1 CK2 CS IN0 IN1 IN2 IN3 G = +1 (G = +2) OUT ENABLE Figure 1. GENERAL DESCRIPTION The ADV3221 and ADV3222 are high speed, high slew rate, buffered 4:1 analog multiplexers. They offer a −3 dB signal bandwidth greater than 800 MHz and channel switch times of less than 20 ns with 1% settling. With lower than −58 dB of crosstalk and −67 dB isolation (at 100 MHz), the ADV3221 and ADV3222 are useful in many high speed applications. The diffe- rential gain error of less than 0.02% and differential phase error of less than 0.02°, together with 0.1 dB gain flatness out to 100 MHz while driving a 75 Ω back terminated load, make the ADV3221 and ADV3222 ideal for all types of signal switching. The ADV3221/ADV3222 include an output buffer that can be placed into a high impedance state. This allows multiple outputs to be connected together for cascading stages without the off channels loading the output bus. The ADV3221 has a gain of +1, and the ADV3222 has a gain of +2; they both operate on ±5 V supplies while consuming less than 7.5 mA of idle current. The channel switching is performed via latched control lines, allowing synchronous updating in a multiple ADV3221/ADV3222 envi- ronment. The ADV3221/ADV3222 are offered in a 16-lead SOIC package and are available over the extended industrial temperature range of −40°C to +85°C. |
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