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ADG796A Dataheets PDF



Part Number ADG796A
Manufacturers Analog Devices
Logo Analog Devices
Description Hex 2:1 Multiplexer
Datasheet ADG796A DatasheetADG796A Datasheet (PDF)

www.DataSheet4U.com Preliminary Technical Data FEATURES Bandwidth: 325 MHz Low insertion loss and on resistance: 2.6 Ω typical On resistance flatness: 0.3 Ω typical Single 3 V/5 V supply operation 3.3 V analog signal range (5 V supply, 75 Ω load) Low quiescent supply current: 1 nA typical Fast switching times: tON 186 ns tOFF 177 ns I2C-compatible interface Compact 24-lead LFCSP I2C® Compatible, Wide Bandwidth, Hex 2:1 Multiplexer ADG796A FUNCTIONAL BLOCK DIAGRAM VDD GND ADG796A S1A D1 S1B S2.

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www.DataSheet4U.com Preliminary Technical Data FEATURES Bandwidth: 325 MHz Low insertion loss and on resistance: 2.6 Ω typical On resistance flatness: 0.3 Ω typical Single 3 V/5 V supply operation 3.3 V analog signal range (5 V supply, 75 Ω load) Low quiescent supply current: 1 nA typical Fast switching times: tON 186 ns tOFF 177 ns I2C-compatible interface Compact 24-lead LFCSP I2C® Compatible, Wide Bandwidth, Hex 2:1 Multiplexer ADG796A FUNCTIONAL BLOCK DIAGRAM VDD GND ADG796A S1A D1 S1B S2A D2 S2B S3A D3 S3B S4A APPLICATIONS S-Video RGB/YPbPr video switches HDTV Projection TV DVD-R/RW AV receivers S4B S5A D4 D5 S5B S6A D6 S6B I2C SERIAL INTERFACE 06036-001 A0 A1 SDA SCL Figure 1. GENERAL DESCRIPTION The ADG796A is a monolithic CMOS device comprising six 2:1 multiplexer/demultiplexers controllable via a standard I2C serial interface. The CMOS process provides ultralow power dissipation, yet offers high switching speed and low on resistance. The on-resistance profile is very flat over the full analog input range and wide bandwidth ensures excellent linearity and low distortion. These features, combined with a wide input signal range make the ADG796A the ideal switching solution for a wide range of TV applications including S-Video, YPbPr and RGB video switches. The switches conduct equally well in both directions when on. In the off condition, signal levels up to the supplies are blocked. The ADG796A switches exhibit break-before-make switching action. The integrated I2C interface provides a large degree of flexibility in the system design. It has two user adjustable I2C address pins that allow up to four devices on the same bus. This allows the user to expand the capability of the device by increasing the size of the switching array. The ADG796A operates from a single 3 V or 5 V supply voltage and is available in a compact 4 mm × 4 mm body, 24-lead, leadfree LFCSP. PRODUCT HIGHLIGHTS 1. 2. 3. 4. 5. Wide bandwidth: 325 MHz. Ultralow power dissipation. Extended input signal range. Integrated I2C serial interface Compact 4 mm × 4 mm, 24-lead, lead-free LFCSP. Rev. Pr.G 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. 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. 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 ©2006 Analog Devices, Inc. All rights reserved. DataSheet 4 U .com www.DataSheet4U.com ADG796A TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 I2C Timing Specifications............................................................ 7 Timing Diagram ........................................................................... 8 Absolute Maximum Ratings............................................................ 9 ESD Caution.................................................................................. 9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 11 Preliminary Technical Data Test Circuits..................................................................................... 14 Terminology .................................................................................... 16 Theory of Operation ...................................................................... 17 I2C serial Interface...................................................................... 17 I2C Address.................................................................................. 17 Write Operation.......................................................................... 17 LDSW bit..................................................................................... 19 Power On/Software reset........................................................... 19 Read Operation........................................................................... 19 Evaluation Board ...................................................


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