Tiny 14-Bit SPI nanoDAC+, with ±2 LSB INL and 2 ppm/°C Reference
The AD5683R/AD5682R/AD5681R/AD5683, members of the nanoDAC+® family, are low power, single-channel, 16-/14-/12-bit buffered voltage out DACs. The devices, except the AD5683, include an enabled by default internal 2.5 V reference, offering 2 ppm/°C drift. The output span can be programmed to be 0 V to VREF or 0 V to 2 × VREF. All devices operate from a single 2.7 V to 5.5 V supply and are guaranteed monotonic by design. The devices are available in a 2.00 mm × 2.00 mm, 8-lead LFCSP or a 10-lead MSOP.
The internal power-on reset circuit ensures that the DAC register is written to zero scale at power-up while the internal output buffer is configured in normal mode. The AD5683R/AD5682R/AD5681R/AD5683 contain a power-down mode that reduces the current consumption of the device to 2 μA (maximum) at 5 V and provides software selectable output loads while in power-down mode.
The AD5683R/AD5682R/AD5681R/AD5683 use a versatile 3-wire serial interface that operates at clock rates of up to 50 MHz. Some devices also include asynchronous RESET pin and VLOGIC pin options, allowing 1.8 V compatibility.
- High Relative Accuracy (INL).
AD5683R/AD5683 (16-bit): ±2 LSB maximum.
- Low Drift, 2.5 V On-Chip Reference.
2 ppm/°C typical temperature coefficient.
5 ppm/°C maximum temperature coefficient.
- TwoPackage Options.
2.00 mm × 2.00 mm, 8-lead LFCSP.
- Process controls
- Data acquisition systems
- Digital gain and offset adjustment
- Programmable voltage sources
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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
The evaluation board interfaces to the USB port via the SDP board. Software is available with the evaluation board, which allows the user to easily program the AD5683R.
This evaluation board requires the EVAL-SDP-CB1Z board. This is available on the Analog Devices website.
Full data on the AD5683R may be found in the AD5683R data sheet available from Analog Devices and should be consulted in conjunction with this user guide when using the evaluation board.
Modern DACs and DAC Buffers Improve System Performance, Simplify Design
By Padraic O'Reilly and Charly El-Khoury
(Analog Dialogue Vol. 46, March 2012)
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.