L9678TR

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Interface - Specialized

The L9678TR is a modern integrated circuit that provides up to four digital-to-analog conversion (DAC) channels with 12-bit resolution and various programmable functions. It is typically used in applications that require adjustment of the output voltage level or analog voltage outputs such as motor control or power conditioning.

General Features

• Dual 12-bit DAC with up to four channels
• Operation from +2.7V to +5.5V
• Configurable output voltage range up to 20V
• Programmable gain factors for each channel
• Status register and interrupt control
• Automatic shutdown mode
• Internal 1.65V bandgap reference

Application Field

The L9678TR is used in a variety of applications that require an adjustable analog voltage output. Among the most common applications are motor control, where motor speed and torque can be adjusted through a digital signal, and power conditioning, where the output voltage can be regulated to provide a constant voltage output. DACs can also be used in audio applications to provide a precise signal level or in robotic control applications to generate precise voltage levels. In addition, the L9678TR can be used to generate reference voltages for other circuit components.

Working Principle

The L9678TR uses an integrated switching circuit to convert a digital signal into an analog voltage output. The digital signal is fed into the DAC and is then converted into a voltage. The output voltage of the DAC is determined by the gain factors set for each channel. The gain factors can be adjusted to change the output voltage range, from 0V to 20V for instance. Depending on the application, the output voltage can be set to fixed levels or even change with time. Once the output voltage is set, the output from the DAC can be connected to other components in the system. This can include engines, solenoids, motors, and more.

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