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Analog Devices Semiconductor Electronic Components Datasheet

ADG793G Datasheet

Triple 3:1 Multiplexer

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I2C-Compatible, Wide Bandwidth,
Triple 3:1 Multiplexer
ADG793A/ADG793G
FEATURES
Bandwidth: 195 MHz
Low insertion loss and on resistance: 2.6 Ω typical
On-resistance flatness 0.3 Ω typical
3.3 V analog signal range (5 V supply, 75 Ω load)
Single 3 V/5 V supply operation
Low quiescent supply current: 1 nA typical
Fast switching times: tON = 185 ns, tOFF = 181 ns
I2C®-compatible interface
Compact, 24-lead LFCSP
Two I2C-controllable logic outputs
ESD protection
4 kV human body model (HBM)
200 V machine model (MM)
1 kV field-induced charged device model (FICDM)
APPLICATIONS
RGB/YPbPr video switches
HDTV
Projection TV
DVD-R/RW
AV receivers
FUNCTIONAL BLOCK DIAGRAMS
VDD
GND
VDD GND
ADG793A
ADG793G
S1A
S1A
S1B
S1C
S2A
D1 S1B
S1C
S2A
D1
S2B
S2C
S3A
D2 S2B
S2C
S3A
D2
S3B
S3C
D3 S3B
S3C
D3
I2C SERIAL
INTERFACE
GPO1
I2C SERIAL
INTERFACE
GPO2
A0 A1 A2 SDA SCL
A0 A1 A2 SDA SCL
Figure 1.
GENERAL DESCRIPTION
The ADG793A/ADG793G are monolithic CMOS devices
comprising three 3:1 multiplexers/demultiplexers controllable
via a standard I2C serial interface. The CMOS process provides
ultralow power dissipation, yet gives high switching speed and
low on resistance.
The on-resistance profile is very flat over the full analog input
range, and the wide bandwidth ensures excellent linearity and
low distortion. These features, combined with a wide input
signal range, make the ADG793A/ADG793G the ideal
switching solution for a wide range of TV applications,
including RGB and YPbPr 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 ADG793A/ADG793G switches exhibit break-before-make
switching action. The ADG793G has two general-purpose logic
output pins controllable through the I2C interface, which can be
used to control other non-I2C-compatible devices such as video
filters. The integrated I2C interface provides a large degree of
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
flexibility in the system design. It has three configurable I2C
address pins that allow the user to connect up to eight devices
to the same bus to build larger switching arrays.
The ADG793A/ADG793G operate from a single 3 V or 5 V
supply voltage and are available in a compact, 4 mm × 4 mm
body, 24-lead, lead-free chip scale package (LFCSP).
PRODUCT HIGHLIGHTS
1. Wide bandwidth: 195 MHz.
2. Ultralow power dissipation.
3. Extended input signal range.
4. Integrated I2C serial interface.
5. Compact, 4 mm × 4 mm body, 24-lead, lead-free chip scale
package (LFCSP).
6. 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/ESDSTM5.3.1-1999)
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.


Analog Devices Semiconductor Electronic Components Datasheet

ADG793G Datasheet

Triple 3:1 Multiplexer

No Preview Available !

ADG793A/ADG793G
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
Timing Diagram ........................................................................... 8
Absolute Maximum Ratings............................................................ 9
ESD Caution.................................................................................. 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 11
REVISION HISTORY
7/06—Revision 0: Initial Version
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 ............................................................................ 20
Using the ADG793G Evaluation Board .................................. 20
Outline Dimensions ....................................................................... 23
Ordering Guide .......................................................................... 23
Rev. 0 | Page 2 of 24


Part Number ADG793G
Description Triple 3:1 Multiplexer
Maker Analog Devices
Total Page 24 Pages
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