SN75LVCP422DB

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The SN75LVCP422DB is a low-voltage differential bus transceiver with a protocol compliant to the LVTTL and Low Voltage Point-to-Point Interface (LVPPI). It is used as a low-voltage signal buffer/repeater in systems that require multiple voltage planes and offers an easy-to-use solution as a level shifter between different logic levels. It provides two channels of signal buffering/repeating with two 3-pin input/output ports and a common bidirectional control pin. Each channel operates independently and the signal direction is controlled by the similar control lines. The SN75LVCP422DB is designed to provide a low-voltage LVTTL signal repeater and signal splitter, allowing different voltage levels to be used to signal devices which may have different power supplies and logic levels.

The primary application of the SN75LVCP422DB is in signal buffering, repeater and splitter fields, such as in digital systems, buffering and doubling of inputs, expanding the number of outputs, providing multiple power supplies, providing signal conversion between different logic levels, and providing access to the same signal over different voltage levels. Additionally, it can be used as a signal isolator and signal conditioning device in electronic systems which requires the transfer of digital data and control signals over a long distance.

The SN75LVCP422DB is designed to work in a low voltage environment with input and output levels and thresholds below 3.3V. It provides 30 mA I/O sourcing and sinking current and up to 48mV propagation delay on each channel. The SN75LVCP422DB consumes a typical 75mW of power when enabled and only consumes 2μA when quiescent or off. Additionally, it offers a 0.5V hysteresis providing a range of input logic levels from 0.5V to 4.5V that can be used for level shifting.

The SN75LVCP422DB features an internal short-circuit protection that disconnects the output pin from the input for all high voltage levels when the output reaches a short-circuit current limit. Additionally, the output can be disabled when a low logic signal is applied to the output enable pin (OE). This allows the input signals to be isolated from the outputs when not required.

The SN75LVCP422DB is based on the single-ended CMOS technology and can be used in different applications, including in communication systems, video and audio systems, automotive electronics, and industrial control systems. It is available in a 16-pin SSOP package, offering maximum component density for applications with limited space.

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