ADG796A Multiplexer Datasheet

ADG796A Datasheet PDF, Equivalent


Part Number

ADG796A

Description

Hex 2:1 Multiplexer

Manufacture

Analog Devices

Total Page 24 Pages
Datasheet
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ADG796A
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Preliminary Technical Data
I2C® Compatible, Wide Bandwidth,
Hex 2:1 Multiplexer
ADG796A
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
APPLICATIONS
S-Video RGB/YPbPr video switches
HDTV
Projection TV
DVD-R/RW
AV receivers
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 dissipa-
tion, 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
FUNCTIONAL BLOCK DIAGRAM
VDD
GND
ADG796A
S1A
D1
S1B
S2A
D2
S2B
S3A
D3
S3B
S4A
D4
S4B
S5A
D5
S5B
S6A
D6
S6B
I2C SERIAL
INTERFACE
A0 A1 SDA SCL
Figure 1.
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, lead-
free LFCSP.
PRODUCT HIGHLIGHTS
1. Wide bandwidth: 325 MHz.
2. Ultralow power dissipation.
3. Extended input signal range.
4. Integrated I2C serial interface
5. 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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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.

ADG796A
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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
REVISION HISTORY
6/06—Revision 0: Initial Version
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 ............................................................................ 20
Using the ADG796A Evaluation Board .................................. 20
Outline Dimensions ....................................................................... 23
Ordering Guide .......................................................................... 23
DataSheet4 U .com
Rev. Pr.G | Page 2 of 24


Features www.DataSheet4U.com Preliminary Technic al 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 oper ation 3.3 V analog signal range (5 V su pply, 75 Ω load) Low quiescent supply current: 1 nA typical Fast switching t imes: tON 186 ns tOFF 177 ns I2C-compat ible interface Compact 24-lead LFCSP I 2C® 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 Pro jection TV DVD-R/RW AV receivers S4B S5 A D4 D5 S5B S6A D6 S6B I2C SERIAL INT ERFACE 06036-001 A0 A1 SDA SCL Figur e 1. GENERAL DESCRIPTION The ADG796A i s a monolithic CMOS device comprising s ix 2:1 multiplexer/demultiplexers contr ollable via a standard I2C serial inter face. The CMOS process provides ultralo w power dissipation, yet offers high sw itching speed and low on resistance. The on-resistance profile is very.
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