AD5668ARUZ-2

The AD5668ARUZ-2 is a dual 16-bit buffered voltage output digital-to-analog converter (DAC) with guaranteed 16-bit monotonicity and integral nonlinearity (INL) performance. It features a serial interface that operates at clock rates of up to 50 MHz and is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards. The device includes a 2.5V, 2ppm/°C internal reference (enabled by default), giving a full-scale output range of 2.5V. The AD5668 also incorporates a 1.25V, 5ppm/°C temperature coefficient, high precision, low noise, and low drift internal reference, and a gain select pin that allows the device to be configured to output a 5V or 10V range.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VOUT2: Output for DAC Channel 2
• VREFOUT: Reference Voltage Output
• GND: Ground Connection
• NC: No Connection
• DAC_RST: DAC Reset Pin
• VLOGIC: Digital Interface Voltage Supply
• CS: Chip Select for Serial Interface
• SCLK: Serial Clock Input
• SDIO: Serial Data Input/Output
• VDD: Analog Voltage Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AD5668ARUZ-2 DAC for a visual representation.

Key Features

• Dual 16-Bit Buffered Voltage Output DAC: Provides two independent DAC channels with 16-bit resolution for precise analog voltage output.
• High-Speed Serial Interface: Supports clock rates of up to 50 MHz and is compatible with multiple serial interface standards for flexible integration.
• Internal Reference: Features a high precision 2.5V internal reference with low temperature coefficient and excellent stability.
• Gain Select Pin: Allows the DAC to be configured for 2.5V, 5V, or 10V full-scale output ranges.
• Low Noise and Low Drift: Offers high precision performance with low noise and low drift characteristics for accurate voltage output.

Note: For detailed technical specifications, please refer to the AD5668ARUZ-2 datasheet.

Application

• Precise Analog Voltage Generation: Ideal for applications requiring high-resolution voltage output with low noise and drift.
• Industrial Automation: Suitable for use in industrial automation systems, process control, and instrumentation applications.
• Test and Measurement Equipment: Used in precision test and measurement instruments for generating accurate analog voltages.

Functionality

The AD5668ARUZ-2 is a dual 16-bit buffered voltage output DAC designed to provide high-precision analog voltage output for a wide range of applications. It offers flexibility, precision, and ease of integration for digital-to-analog conversion requirements.

Usage Guide

• Power Supply: Connect the VDD, VLOGIC, and +VIO pins to the respective voltage supplies as specified in the datasheet.
• Digital Interface: Connect the CS, SCLK, and SDIO pins to the microcontroller or digital interface for communication.
• Output Connection: Route the VOUT2 pin to the desired analog voltage output destination in the application circuit.

Frequently Asked Questions

Q: What is the maximum clock rate supported by the AD5668ARUZ-2?
A: The AD5668ARUZ-2 supports clock rates of up to 50 MHz, allowing for high-speed digital-to-analog conversion.

Q: Can the AD5668ARUZ-2 be configured for different output voltage ranges?
A: Yes, the gain select pin allows for configuration of 2.5V, 5V, or 10V full-scale output ranges to suit application requirements.