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ADG821BRM-REEL Datasheet(PDF) 1 Page - Analog Devices |
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ADG821BRM-REEL Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page <1 Ω CMOS, 1.8 V to 5.5 V, Dual SPST Switches ADG821/ADG822/ADG823 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother 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 ©2002–2008 Analog Devices, Inc. All rights reserved. FEATURES 0.8 Ω maximum on resistance @ 125°C 0.3 Ω maximum on resistance flatness @ 125°C 1.8 V to 5.5 V single supply 200 mA current carrying capability Automotive temperature range: −40°C to +125°C Rail-to-rail operation 8-lead MSOP 33 ns switching times Typical power consumption: <0.01 μW TTL-/CMOS-compatible inputs Pin-compatible with the ADG721/ADG722/ADG723 APPLICATIONS Power routing Battery-powered systems Communication systems Data acquisition systems Audio and video signal routing Cellular phones Modems PCMCIA cards Hard drives Relay replacement FUNCTIONAL BLOCK DIAGRAMS ADG821 SWITCHES SHOWN FOR A LOGIC 0 INPUT. IN1 S1 D1 IN2 S2 D2 ADG822 SWITCHES SHOWN FOR A LOGIC 0 INPUT. IN1 S1 D1 IN2 S2 D2 Figure 1. Figure 2. ADG823 SWITCHES SHOWN FOR A LOGIC 0 INPUT. IN1 S1 D1 IN2 S2 D2 Figure 3. GENERAL DESCRIPTION The ADG821/ADG822/ADG823 are monolithic CMOS single- pole, single-throw (SPST) switches. These switches are designed on an advanced submicron process that provides low power dissipation, yet gives high switching speed, low on resistance, and low leakage currents. The ADG821/ADG822/ADG823 are designed to operate from a single 1.8 V to 5.5 V supply, making them ideal for use in battery-powered instruments. Each switch of the ADG821/ADG822/ADG823 conducts equally well in both directions when on. The ADG821/ ADG822/ADG823 contain two independent SPST switches. The ADG821 and ADG822 differ only in that both switches are normally open and normally closed, respectively. In the ADG823, Switch 1 is normally open and Switch 2 is normally closed. The ADG823 exhibits break-before-make switching action. The ADG821/ADG822/ADG823 are available in an 8-lead MSOP. PRODUCT HIGHLIGHTS 1. Very Low On Resistance: 0.5 Ω typ. 2. On Resistance Flatness (RFLAT(ON)): 0.15 Ω typ. 3. Automotive Temperature Range: −40°C to +125°C. 4. Current Carrying Capability: 200 mA. 5. Low Power Dissipation. CMOS construction ensures low power dissipation. 6. 8-Lead MSOP. |
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