MAX3094EEUE+T

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MAX3094EEUE+T Application Field and Working Principle

MAX3094EEUE+T is an interface-drivers, receivers, transceivers type part and a low-voltage differential signaling (LVDS) device frequently used in data-communications applications.

Application of MAX3094EEUE+T

MAX3094EEUE+T was designed to work in tandem with LVDS links and provides a low-voltage, high-speed, point-to-point or multi-drop data link. For example, it can be used to connect an FPGA or processor to memories or peripherals, or for off-chip communications requiring transmission rates up to 2.5 Gbps per channel. The device also supports up to 2 channels of 4.25 Gbps operations.

MAX3094EEUE+T features guarantee up to 2.5V and 3.3V power supply support, and the input/output swing capability reduces the design of switches, buffers, or levelers for a variety of LVDS applications. It also providesprogrammable slew rate control, which can reduce simultaneous switching effects. In addition, the device offers built-in securitized flow control and an ESD protection transconductance circuit. This allows more reliable system operation.

Working Principle of MAX3094EEUE+T

The operating principle of MAX3094EEUE+T puts it at the heart of any LVDS application. The basic building blocks of LVDS technology are shown in the figure below:

The LVDS transmitter generates a differential signal (Vdiff) from a single-ended input (Vin). The signal is then transmitted through a signal channel (typically two twisted-pair conductors) to the LVDS receiver. The receiver then recovers the differential signal, compares it with a reference voltage (Vref) and outputs a single-ended output (Vout).

The MAX3094EEUE+T circuits essentially consist of two main components – the transmitter and the receiver. The transmitter circuit takes a single-ended input signal (1.8V to 4V) and converts it into a differential signal that is transmitted to the receiver circuit. The receiver decodes the differential signal and outputs a single-ended output signal.

The MAX3094EEUE+T offers 2 on-chip power supplies: V+ ranging from 1.71V to 2.5V and V++ ranging from 2.5V to 3.3V. The receivers are designed to operate using the V+ power supply, while the transmitters are designed to operate using both the V+ and V++ power supplies. The different power supplies enable the drivers to interface to different voltage levels.

The receiver is enabled by asserting the ENB pin voltage. The transmitter is enabled by asserting the ENBH pin voltage and asserting the ENBL pin voltage. The device provides both internalROS andRSIGpads that enable connection to reference clock sources. Additionally, the device provides built-insecuritizedflow control and an ESD protection transconductance circuit.

The MAX3094EEUE+T is an ideal choice for LVDS data communications and guarantees up to 2.5V and 3.3V power supply support, as well ashaving features such asprogrammable slew rate control, which can reduce simultaneous switching effects.

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