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Interface - Drivers, Receivers, Transceivers

The MAX3098EAESE is a low-power, dual driver/receiver with integrated voltage translator suitable for a wide range of communication protocols. The MAX3098 commonly used in the USB and I2C bus, it is a dual driver/receiver pair with an integrated voltage translator in a single channel width package. On a single chip, it can deliver up to 300 mA of output current, significantly reducing design time and board space.

Application Field of MAX3098EAESE

The MAX3098EAESE is widely used in interfacing systems with multiple voltage levels, such as USB and I2C buses, as well as other applications requiring bi-directional, single supply operation. It can be used in parking controllers, automotive data acquisition systems, industrial controllers, as well as an array of other applications that require data retention, or bi-directional, low-power communication.

The MAX3098EAESE’s power-efficient design reduces the current consumption to 500nA when disabled and reduces the overall system quiescent current from microamps to nanochips. It is compatible with the over-current protection feature needs of automotive systems and includes built-in level-shifting circuitry for providing a low-power interface. The device consists of a dual receiver/driver operating over a wide supply voltage range of 1.8V to 16V, making it suitable for use in both low-voltage and high-voltage and can support data rates up to 3Mbps.

Working Principle of MAX3098EAESE

The MAX3098EAESE is a bi-directional communication device, which converts a dual-channel, single supply, bi-directional logic signal into a single-channel, bi-directional, low-power signal. In order to function properly, the device must be activated using the Enable/ Disable Input pin, followed by an optional pull-up resistor to ensure positive-logic high level.The device also features voltage reduction to reduce system quiescent current, as well as a low-power Enable/Disable pin.

The device logic converter is then configured by providing the desired logic level on the binary data inputs. Each logic level is then converted to a different level of current output (driving way) and voltage output (receiving way) which is read and interpreted by the connected bus devices, making the data transfer bidirectional. The device also features overcurrent protection and low-power enable/disable pins for additional flexibility when operating in the low-power mode. The device also has built-in level shifting circuitry for providing a low-power interface.

The device communicates on both sides of the bus through a control line. The receiver uses the control line to read and interpret the logic level on the data lines while the driver generates the correct current and voltage to send out data. The main specifications of the device are the data rate, input/output current specification, supply voltage range and the logic levels.

Conclusion

The MAX3098EAESE is a low-power, dual driver/receiver with integrated voltage translator suitable for a wide range of communication protocols. It is widely used to interface systems with multiple voltage levels, such as USB and I2C buses, as well as other applications requiring bi-directional, single supply operation. The device consists of a dual receiver/driver operating over a wide supply voltage range of 1.8V to 16V, delivering up to 300 mA of output current. The device also features voltage reduction to reduce system quiescent current, as well as a low-power Enable/Disable pin integrated with level-shifting circuitry for providing a low-power interface with data rates up to 3Mbps.

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