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AD8185 Folha de dados(PDF) 1 Page - Analog Devices |
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AD8185 Folha de dados(HTML) 1 Page - Analog Devices |
1 / 16 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD8183/AD8185 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999 380 MHz, 25 mA, Triple 2:1 Multiplexers FEATURES Fully Buffered Inputs and Outputs Fast Channel-to-Channel Switching: 15 ns High Speed 380 MHz Bandwidth (–3 dB) 200 mV p-p 310 MHz Bandwidth (–3 dB) 2 V p-p 1000 V/ s Slew Rate G = +1, 2 V Step 1150 V/ s Slew Rate G = +2, 2 V Step Fast Settling Time of 15 ns to 0.1% Low Power: 25 mA Excellent Video Specifications (RL = 150 ) Gain Flatness of 0.1 dB to 90 MHz 0.01% Differential Gain Error 0.02 Differential Phase Error Low All-Hostile Crosstalk –84 dB @ 5 MHz –54 dB @ 50 MHz Low Channel-to-Channel Crosstalk –56 dB @ 100 MHz High “OFF” Isolation of –100 dB @ 10 MHz Low Cost Fast High Impedance Output Disable Feature for Connecting Multiple Devices APPLICATIONS Pixel Switching for “Picture-In-Picture” Switching RGB in LCD and Plasma Displays RGB Video Switchers and Routers PRODUCT DESCRIPTION The AD8183 (G = +1) and AD8185 (G = +2) are high speed triple 2:1 multiplexers. They offer –3 dB signal bandwidth up to 380 MHz, along with slew rate of 1000 V/ µs. With better than –90 dB of channel-to-channel crosstalk and isolation at 10 MHz, they are useful in many high-speed applications. The differential gain and differential phase errors of 0.01% and 0.02 ° respectively, along with 0.1 dB flatness to 90 MHz make the AD8183 and AD8185 ideal for professional video and RGB multiplexing. They offer 15 ns channel-to-channel switching time, making them an excellent choice for switching video signals, while consuming less than 25 mA on ±5 V supply voltages. Both devices offer a high speed disable feature that can set the output into a high impedance state. This allows the building of larger input arrays while minimizing “OFF” channel output loading. They operate on voltage supplies of ±5 V and are offered in a 24-lead TSSOP package. Table I. Truth Table SEL A/B OE OUT 0 0 INA 1 0 INB 0 1 High Z 1 1 High Z 200mV 2ns VO = 1.4V STEP RL = 150 1.4V 1.2V 1.0V 0.8V 0.6V 0.4V 0.2V 0.0V Figure 1. AD8185 Pulse Response; RL = 150 Ω FUNCTIONAL BLOCK DIAGRAM AD8183/AD8185 IN0B GND IN1B GND IN2B IN0A DGND IN1A GND VEE VCC IN2A 1 2 3 4 5 6 7 8 9 10 11 12 VCC DVCC VEE OUT2 VCC VCC OE SEL A/B VCC OUT1 VEE OUT0 24 23 22 21 20 19 18 17 16 15 14 13 SELECT DISABLE 0 1 2 |
Nº de peça semelhante - AD8185 |
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Descrição semelhante - AD8185 |
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