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Analog Devices - (ADG792A / ADG792G) Triple 4:1 Multiplexer

Numéro de référence ADG792G
Description (ADG792A / ADG792G) Triple 4:1 Multiplexer
Fabricant Analog Devices 
Logo Analog Devices 





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I2C-Compatible, Wide Bandwidth,
Triple 4:1 Multiplexer
ADG792A/ADG792G
FEATURES
Bandwidth: 190 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 185 ns, tOFF 181 ns
I2C®-compatible interface
Compact, 24-lead, LFCSP package
Two I2C-controllable logic outputs
ESD protection
4 kV human body model
200 V machine model
1 kV field-induced charged device model
APPLICATIONS
RGB/YPbPr video switches
HDTV
Projection TV
DVD-R/RW
AV receivers
GENERAL DESCRIPTION
The ADG792A/ADG792G are monolithic CMOS devices, each
comprising three 4:1 multiplexer/demultiplexers that are con-
trollable through a standard I2C serial interface. The CMOS
process provides ultralow power dissipation yet delivers 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 ADG792A/ADG792G the ideal switching
solution for a wide range of TV applications, including RGB
and YPbPr video switches.
When turned on, the switches conduct equally well in both
directions. In the off condition, signal levels, up to the supplies,
are blocked. The ADG792A/ADG792G switches exhibit break-
before-make switching action. The ADG792G also has two
general-purpose logic output pins controllable through the I2C
interface 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. To build larger switching
FUNCTIONAL BLOCK DIAGRAMS
VDD GND
VDD GND
ADG792A
ADG792G
S1A
S1A
S1B
S1B
S1C
D1 S1C
D1
S1D
S1D
S2A
S2B
S2C
S2D
S2A
S2B
D2 S2C
S2D
D2
S3A
S3B
S3C
S3D
S3A
S3B
D3 S3C
S3D
D3
I2C SERIAL
INTERFACE
GPO1
I2C SERIAL
INTERFACE
GPO2
A0 A1 A2 SDA SCL
A0 A1 A2 SDA SCL
Figure 1.
arrays, the user can set the three I2C address pins allowing as
many as eight devices to connect to the same bus.
The ADG792A/ADG792G operate from a single 3 V or 5 V
supply voltage and is available in a compact 4 mm × 4 mm
body, 24-lead, Pb-free, LFCSP package.
PRODUCT HIGHLIGHTS
1. Wide bandwidth: 190 MHz.
2. Ultralow power dissipation.
3. Extended input signal range.
4. Integrated I2C serial interface.
5. Compact 4 mm × 4 mm, 24-lead, Pb-free LFCSP package.
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)
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.
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.

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