AD5318BRU

Product Overview

Category

AD5318BRU belongs to the category of digital-to-analog converters (DACs).

Use

The AD5318BRU is used to convert digital signals into analog voltages. It finds applications in various fields such as telecommunications, industrial automation, and instrumentation.

Characteristics

• High resolution: The AD5318BRU offers a resolution of 12 bits, allowing for precise analog voltage generation.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Fast settling time: The DAC provides fast settling times, enabling quick response in dynamic applications.
• Wide operating voltage range: It can operate within a wide voltage range, enhancing its versatility.
• Low glitch energy: The AD5318BRU minimizes glitches during transitions, ensuring accurate analog outputs.

Package

The AD5318BRU comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of the AD5318BRU lies in its ability to convert digital data into analog voltages with high precision and efficiency.

Packaging/Quantity

The AD5318BRU is typically packaged in reels and is available in quantities of 2500 units per reel.

Specifications

• Resolution: 12 bits
• Operating Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to Vref
• Settling Time: 4.5µs
• Power Consumption: 1.3mW (typical)
• Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The AD5318BRU has a total of 16 pins. The pin configuration is as follows:

1. VDD: Power supply voltage input
2. VREF: Reference voltage input
3. AGND: Analog ground
4. AOUT0: Analog output channel 0
5. AOUT1: Analog output channel 1
6. AOUT2: Analog output channel 2
7. AOUT3: Analog output channel 3
8. SDA: Serial data input/output
9. SCL: Serial clock input
10. ADDR0: Address bit 0
11. ADDR1: Address bit 1
12. ADDR2: Address bit 2
13. LDAC: Load DAC input
14. RESET: Reset input
15. DGND: Digital ground
16. VLOGIC: Logic supply voltage input

Functional Features

• Multiple channels: The AD5318BRU provides four independent analog output channels, allowing for simultaneous conversion of multiple digital signals.
• I2C interface: It utilizes the I2C serial interface protocol for communication with microcontrollers or other digital devices.
• Internal reference: The DAC incorporates an internal reference voltage, eliminating the need for an external reference source.
• Power-down mode: It offers a power-down mode to conserve energy when not in use.
• Daisy-chain capability: The AD5318BRU supports daisy-chaining multiple devices, simplifying system design.

Advantages and Disadvantages

Advantages

• High resolution enables accurate analog voltage generation.
• Low power consumption makes it suitable for portable and battery-powered applications.
• Fast settling time allows for quick response in dynamic systems.
• Wide operating voltage range enhances versatility.
• Low glitch energy ensures precise analog outputs.

Disadvantages

• Limited number of output channels (four channels).
• Requires an external microcontroller or digital device for control.

Working Principles

The AD5318BRU operates by converting digital data received through the I2C interface into corresponding analog voltages. It utilizes a 12-bit digital-to-analog conversion technique to achieve high-resolution output. The internal reference voltage is used as a reference for the conversion process. The converted analog voltages are then available at the respective analog output channels.

Detailed Application Field Plans

The AD5318BRU finds applications in various fields, including:

1. Telecommunications: It can be used in communication systems for generating precise analog voltages required for signal conditioning and calibration purposes.
2. Industrial Automation: The DAC is suitable for controlling analog actuators and sensors in industrial automation systems, ensuring accurate control and measurement.
3. Instrumentation: It can be utilized in test and measurement equipment for generating programmable analog signals with high precision.

Detailed and Complete Alternative Models

• AD5317: Similar to AD5318BRU but with 10-bit resolution instead of 12 bits.
• AD5316: A lower-cost alternative with 8-bit resolution.
• AD5689R: A higher-resolution DAC with 16-bit capability.

These alternative models provide options with varying resolutions and features to suit different application requirements.

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