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ADG799A Dataheets PDF



Part Number ADG799A
Manufacturers Analog Devices
Logo Analog Devices
Description (ADG799A / ADG799G) Triple 2 x 2 Crosspoint Switch
Datasheet ADG799A DatasheetADG799A Datasheet (PDF)

www.DataSheet4U.com I2C®-Compatible, Wide Bandwidth, Triple 2 × 2 Crosspoint Switch ADG799A/ADG799G FEATURES Bandwidth: 230 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 =184 ns, tOFF = 180 ns I2C-compatible interface Compact 24-lead LFCSP Two I2C-controllable logic outputs (ADG799G only) ESD protec.

  ADG799A   ADG799A


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www.DataSheet4U.com I2C®-Compatible, Wide Bandwidth, Triple 2 × 2 Crosspoint Switch ADG799A/ADG799G FEATURES Bandwidth: 230 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 =184 ns, tOFF = 180 ns I2C-compatible interface Compact 24-lead LFCSP Two I2C-controllable logic outputs (ADG799G only) ESD protection 4 kV human body model 200 V machine model 1 kV field-induced charged device model FUNCTIONAL BLOCK DIAGRAMS VDD GND VDD GND ADG799A S1A S1B S2A S2B S3A S3B 2×2 CROSSPOINT 2×2 CROSSPOINT 2×2 CROSSPOINT D1A D1B D2A D2B D3A D3B S1A S1B S2A S2B S3A S3B ADG799G 2×2 CROSSPOINT 2×2 CROSSPOINT 2×2 CROSSPOINT D1A D1B D2A D2B D3A D3B I2C SERIAL INTERFACE GPO1 I2C SERIAL INTERFACE GPO2 06038-001 A0 A1 A2 SDA SCL A0 A1 A2 SDA SCL Figure 1. ADG799A and ADG799G APPLICATIONS RGB/YPbPr video switches HDTV Projection TV DVD-R/RW AV receivers GENERAL DESCRIPTION The ADG799A/ADG799G are monolithic CMOS devices comprising three 2 × 2 crosspoint switches 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 ADG799A/ADG799G the ideal switching solution for a wide range of TV applications including RGB and YPbPr video switches for picture-in picture applications. The switches conduct equally well in both directions when on. In the off condition, signal levels up to the supplies are blocked. The ADG799A/ADG799G switches exhibit break-before-make switching action. The ADG799G has two general-purpose logic output pins controlled by the I2C interface that can also be used to control other non-I2C-compatible devices such as video filters. The integrated I2C interface provides a large degree of flexibility in the system design. It has three user-adjustable I2C address 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. 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. pins that allow up to eight 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 ADG799A/ADG799G operate from single 3 V or 5 V supply voltages and are available in a compact, 4 mm × 4 mm body, 24-lead, Pb-free LFCSP. PRODUCT HIGHLIGHTS 1. 2. 3. 4. 5. 6. Wide bandwidth: 230 MHz. Ultralow power dissipation. Extended input signal range. Integrated I2C serial interface. Compact 4 mm × 4 mm, 24-lead, Pb-free LFCSP. ESD protection tested as per ESD Association standards: • • • 4 kV HBM (ANSI/ESD STM5.1-2001) 200 V MM (ANSI/ESD STM5.2-1999) 1 kV FICDM (ANSI/ESD STM5.3.1-1999) 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. ADG799A/ADG799G TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagrams............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 I2C Timing Specifications............................................................ 7 Absolute Maximum Ratings............................................................ 9 ESD Caution.................................................................................. 9 Pin Configurations and Function Descriptions ......................... 10 Typical Performance Characteristics ........................................... 11 Test Circuits..................................................................................... 14 Terminology .................................................................................... 16 Theory of Operation ...................................................................... 17 I2C Serial Interface ..................


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