DG444DYZ-T Integrated Circuits (ICs)

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The DG444DYZ-T is a monolithic CMOS device that is categorized as an interface analog switch, multiplexer, and demultiplexer. The device is commonly used for various applications, such as data acquisition and switching applications in industrial, automotive, and communication systems. It is also used in consumer electronic products for audio and video switching.

The DG444DYZ-T is an analog multiplexer/demultiplexer consisting of four single-pole‑double‑throw (SPDT) switches with TTL-type logic input control lines. The device is designed such that the differential signal voltages at the A and B ports can be switched under the control of the control inputs. It has a very wide dynamic range of input and output signals that can be controlled by the TTL input voltage. The device can handle common mode voltages up to 18 V and can switch signals up to 16 kHz.

The operation of the DG444DYZ-T is determined by the logic levels of the input control lines. The A and B ports can be separately switched to either the UA or UB port, depending on the logic level of the input control lines. When the Control A (CA) and Control B (CB) inputs are both low (logic 0), the A and B ports are disconnected from the respective UA and UB ports. When the CA input is high (logic 1) and the CB input is low (logic 0), the A port is connected to the UA port, while the B port is disconnected from the UB port. When the CA input is low (logic 0) and the CB input is high (logic 1), the A port is disconnected from the UA port, while the B port is connected to the UB port. Similarly, when both the CA and CB inputs are high (logic 1), both the A and B ports are connected to the respective UA and UB ports.

The DG444DYZ-T also incorporates a digital logic output in the form of an output enable (OE) pin. The OE output is a logic signal that is generated when the CA and CB inputs are both logic 1. This digital logic output is used to indicate that the switching has been successfully completed and the device is ready for further operations. The OE output is also used to control the device\'s power consumption by disabling it when the device is not in use.

The DG444DYZ-T is capable of withstanding high levels of ESD and is capable of withstanding temperatures from -40°C to 85°C. The device has low power consumption and is also RoHS compliant, making it ideal for use in a variety of applications.

The DG444DYZ-T is a versatile device that can be used for a variety of applications, such as data acquisition, switching applications in industrial, automotive, and communication systems, and for audio and video switching in consumer electronic products. Its wide dynamic range of input and output signals, TTL-type logic input control lines, digital logic output, low power consumption, and RoHS compliance makes it an ideal choice for cost-effective analog switching.

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