DAC7678EVM

Series:	--
Part Status:	Active
Number of DAC's:	8
Number of Bits:	12
Sampling Rate (Per Second):	--
Data Interface:	I²C
Settling Time:	12µs
DAC Type:	Voltage
Supplied Contents:	Board(s)
Utilized IC / Part:	DAC7678

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The DAC7678EVM Evaluation Board is a Digital To Analog Converters (DACs) developed by Texas Instruments (TI), designed to demo TI`s 12-Bit, 8-channel, low-power, low-noise, high-speed DAC portfolio. It features a small form factor, excellent performance, and provides an easy way to evaluate TI`s DAC portfolio.The board utilizes a single 12-Bit DAC7678, which is contained on TI\'s TPD-CSP-8 package, thus making the board suitable for space-constrained projects. The board has 8-pin, 2.5mm Pitch Single-ended Connector Inputs/Outputs (I/O) for analog signals. Moreover, this board has a wide variety of evaluation and interface options such as USB Control and I2C Control. The DAC7678EVM Application FieldThe DAC7678EVM provides a fast-track to the development and testing of DAC designs. It can be used in a variety of applications such as motor control, audio, power supplies, lighting, and instrumentation.The DAC7678EVM allows for the easy evaluation of different DAC performance metrics, such as signal-to-noise (SNR) and distortion ratio (THD). The board features a jumper switch which allows the user to switch between differential and single-ended outputs and provides selectable output voltage ranges of 3.3/5V and adjustable gain and offset using the onboard potentiometers.The board is enclosed in a small form factor and has on-board connectors for analog signals which can be connected to test equipment for easy evaluation. The DAC7678EVM can be used for DC and low frequencies (<200kHz). It is also designed to be daisy-chainable, meaning that up to eight DACs can be connected in a chain for evenmore advanced evaluations.The Working PrincipleThe DAC7678EVM works on a simple principle. It takes a digital input signal and converts it into an analog signal through the on-board DAC7678. The board features adjustable potentiometer knobs for changing the offset and gain of the analog output signal. It also has a jumper switch for switching between differential and single-ended operation. In single-ended mode, the board also has selectable output voltage ranges of 3.3V or 5V.The board has both USB and I2C control options. When using USB, the board is connected to a PC through a USB cable and the board can be programmed using TI\'s EVM Software. The USB support is also used to capture the input data for the DAC, allowing for easier evaluation of the resulting analog output. When using I2C, the board is connected to a microcontroller system and is programmed to accept external digital input signals.ConclusionThe DAC7678EVM Evaluation Board is a Digital to Analog Converter solution developed by TI. It features a small form factor, excellent performance, and provides an easy way to evaluate TI\'s DAC portfolio. The board can be used for a variety of applications and is suitable for space-constrained projects. It also has adjustable potentiometers for changing the offset and gain, and has selectable output voltage ranges. Furthermore, the board supports both USB and I2C control options and is daisy-chainable for even more advanced evaluations.

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