DG309CJ+

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Introduction: DG309CJ+ is an integrated logic switch family device produced by Analogic Technology. These devices are single-channel, dual-channel and quad-channel non-inverting analog switches, multiplexers and demultiplexers.

Application Field

DG309CJ+ is primarily used in communications, digital photo and video, automotive, medical and industrial automation, multimedia, entertainment, and consumer application. It is applied in data location network and optical network and many other applications. DG309CJ+ series devices are used in a wide range of applications including but not limited to:

• Data switching in telecom, network and datacom applications
• Control and format switching for video, audio and other multimedia
• Video that switches, combines and formats RGB, RGBHV and YUV signals
• Gain, offset, and sample-and-hold controls in control systems
• Port interface and control of video security systems
• Test, measurement, and industrial control.

Working Principle:

The DG309CJ+ series device consists of a number of logic switches that are essentially logic-controlled FET, which operate in the analog domain. The switching feature ensures minimal signal cross-talk, with very low off-state leakage current, and fast turn-on and turn-off times. Integration of the internal logic functions with the switched circuitry simplifies switching design, while reducing design time, board space and component costs.

The DG309CJ+ series devices are designed to operate from single or split supply sources with voltages from -26.5V to +26.5V. They provide logic enable inputs for single, dual and quad switch functions, allowing multiple switch functions to be controlled with minimal number of logic inputs. The enable input can be used to turn on or off one or more switches. There are both positive and negative logic enable inputs for dual and quad switches.

DG309CJ+ series devices are designed with fast, low power CMOS level inputs and outputs. They consume little standby power and operate over the full industrial temperature range of -40°C to +85°C. The devices can be used with single, dual and quad switch functions, allowing multiple switch functions to be controlled with minimal number of logic inputs.

The devices feature a wide range of logic terminal options, including fast TTL and LVC differential input, Schmitt trigger and open-drain CMOS control functions. The devices are available in a range of packages including SOIC, Leadless Chip Carrier, Quad Flat No-lead (QFN) and small outline IC (SOIC) packages, able to fit into tight areas.

To sum up, DG309CJ+ series devices are low voltage, high frequency analog switches, multiplexers, and demultiplexers. It offers the benefit of low standby power consumption and performance in a wide range of applications from data switching to video, audio, or industrial control. This family of devices enables designers to integrate the necessary control and switch functions in a single component, saving time and component costs.

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