XD-41B TLC5615 10 bit DAC module

XD-41B TLC5615 10-bit DAC Module is a high-precision digital-to-analog conversion solution designed for hobbyists and engineers who need to generate accurate analog voltages from digital microcontrollers. This module utilizes the Texas Instruments TLC5615 chip, which features a resistor-string architecture and a high-speed SPI-compatible serial interface. Consequently, it provides a simple and efficient way to interface with popular platforms like Arduino, STM32, and Raspberry Pi. The module includes an on-board voltage reference and an output buffer, ensuring that the analog signal remains stable even under varying load conditions. Furthermore, its compact form factor allows for seamless integration into space-constrained projects. Therefore, you can rely on this module for tasks requiring smooth voltage transitions and reliable signal reproduction.

Key Features:

• 10-Bit Resolution: The module provides 1024 discrete analog output levels, offering fine control over the output voltage signal.
• Fast SPI Interface: It supports a high-speed three-wire serial interface, which significantly reduces the processor overhead during data transmission.
• Rail-to-Rail Output: The integrated output buffer allows the analog signal to swing from ground to the positive supply rail, maximizing the dynamic range.
• Low Power Consumption: It operates with a very low supply current, making it suitable for battery-powered or energy-efficient embedded systems.
• Power-On Reset: The internal circuitry ensures the DAC output starts at a known zero-volt state upon power-up, preventing unexpected behavior in connected hardware.

Technical Specifications:

• DAC Chip: Texas Instruments TLC5615
• Resolution: 10 bits
• Operating Voltage (V_CC): 5 VDC (±5%)
• Output Voltage Range: 0 V to 2 × V_REF (Typically 0 V to 4.096 V with 2.048 V internal reference)
• Settling Time: ≈ 12.5 μs
• Clock Frequency: Up to 12.1 MHz
• Differential Nonlinearity (DNL): ±0.5 LSB maximum

Mechanical Specifications:

• PCB Material: High-quality FR-4 glass epoxy
• Mounting: 4 x 3 mm mounting holes for secure installation
• Connector Type: 2.54 mm (0.1 in) standard pitch male headers
• Soldering: Pre-soldered headers for immediate use in breadboards.

Dimensions:

• Board Length: ≈ 31 mm
• Board Width: ≈ 18 mm
• Total Height: ≈ 12 mm (including headers)
• Weight: ≈ 4 g

Pinout and Wiring:

• VCC: Connect to the 5 V power supply of your microcontroller.
• GND: Connect to the common circuit ground.
• DIN (Data In): Connect to the SPI MOSI (Master Out Slave In) pin of your controller.
• SCLK (Serial Clock): Connect to the SPI SCK clock pin.
• CS (Chip Select): Connect to a digital I/O pin to enable/disable the DAC communication.
• DOUT (Data Out): Used for daisy-chaining multiple TLC5615 modules together.
• OUT: The buffered analog voltage output pin.

Datasheet Reference:

• Download TLC5615 Datasheet

Commonly Used in:

• Signal Generation: Creating sine, square, or sawtooth waves for testing and measurement applications.
• Precision Control: Adjusting set-points in power supplies or programmable current sources.
• Audio Processing: Translating digital audio samples into analog signals for low-fidelity playback or filtering.

Applications:

• Programmable Voltage Source: Providing a software-controlled reference voltage for analog comparators.
• Industrial Automation: Controlling actuator positions via analog voltage control signals.
• Sensor Calibration: Simulating sensor outputs to verify the performance of data acquisition systems.
• Motor Speed Control: Interfacing with motor drivers that require an analog input to regulate speed.

Equivalent Models:

• MCP4725 Module: A popular 12-bit DAC module, however, it uses the I2C protocol rather than SPI.
• DAC8550: A higher resolution (16-bit) alternative for applications requiring extreme precision.
• MCP4921: A similar 12-bit SPI DAC often utilized as a performance upgrade for the TLC5615.

Package Includes:

• 1 x XD-41B TLC5615 10 bit DAC module