Driver or library
DACX14XX-PYTHON-FTDI-DRIVER — Example python driver for the DACx14xx family
This example python driver interfaces with the on board FTDI controller of the DACx14xx EVM ecosystem.
DAC61402
Dual-channel, 12-bit, ±20-V-range, buffered-output DAC with precision internal reference
Data sheet
DAC61402
- Performance:
- Specified monotonic at 16-bit resolution
- INL: ±1 LSB maximum at 16-bit resolution
- TUE: ±0.05% FSR, maximum
- Integrated output buffer
- Full-scale output voltage: ±5 V, ±10 V, ±20 V, 5 V, 10 V, 20 V, 40 V
- High drive capability: ±15 mA
- Per channel sense pins
- Integrated 2.5-V precision reference
- Initial accuracy: ±2.5 mV, maximum
- Low drift: 10 ppm/°C, maximum
- Reliability features:
- CRC error check
- Short-circuit limit
- Fault pin
- 50-MHz, SPI-compatible serial interface
- 4-wire mode, 1.7-V to 5.5-V operation
- Readback and daisy-chain operations
- Temperature range: –40°C to +125°C
- Package: 5-mm × 5-mm, 32-pin QFN
The 16-bit DAC81402 and 12-bit DAC61402 (DACx1402) are pin-compatible, dual-channel, buffered, high-voltage-output, digital-to-analog converters (DACs). These devices include a low-drift, 2.5-V internal reference that eliminates the need for an external precision reference in most applications. The devices are specified monotonic and provide high linearity of ±1 LSB INL. Additionally, the devices implement per channel sense pins that eliminate IR drops and sense up to ±12 V of ground bounce.
A user-selectable output configuration enables full-scale bipolar output voltages of ±20 V, ±10 V, and ±5 V; and full-scale unipolar output voltages of 40 V, 20 V, 10 V and 5 V. The full-scale output range for each DAC channel is independently programmable. The integrated DAC output buffers can sink or source up to 15 mA, thus limiting the need for additional operational amplifiers.
The DACx1402 incorporate a power-on-reset circuit that connects the DAC outputs to ground at power up. The outputs remain in this mode until the device is properly configured for operation. The devices include additional reliability features such as a CRC error check, short-circuit protection, and a thermal alarm.
Communication to the devices is performed through a 4-wire serial interface that supports operation from 1.7 V to 5.5 V.
Technical documentation
No results found. Please clear your search and try again.
View all 6 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | DACx1402 Dual, 16-Bit and 12-Bit, High-Voltage-Output DACs With Internal Reference datasheet (Rev. A) | PDF | HTML | 18 May 2021 |
| Circuit design | 來自 +5V 供電電源且用於高電壓資料轉換器的精密、±15V 電 源供應電路 | PDF | HTML | 09 Dec 2025 | |
| Circuit design | Precision, ±15V Power Supply Circuit from a +5V Source for High-Voltage Data Converters | PDF | HTML | 04 Dec 2025 | |
| Circuit design | Output Overvoltage Protection Circuit for Voltage DACs With an External Feedback Pin | PDF | HTML | 29 Jul 2025 | |
| Certificate | DAC81404EVM EU Declaration of Conformity (DoC) | 30 Oct 2023 | ||
| Application note | Optimized Power-Supply Circuit Solution for DAC81416 High-Voltage Output | PDF | HTML | 19 Sep 2021 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
DAC81404EVM — DAC81404 evaluation module
The DAC81404 evaluation module (EVM) is an all-in-one development platform for the DACx1404 family. The 16-bit, 4-channel DAC81404 and 12-bit, 4-channel DAC61404 are a pin-compatible family of
quad-channel, buffered, high-voltage-output digital-to-analog converters (DACs) with an integrated 2.5V (...)
Calculation tool
ANALOG-ENGINEER-CALC — Analog engineer's calculator
The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
Design tool
ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.
The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
Supported products & hardware
Design tool
DAC814XXEVM-GUI — DAC814XXEVM GUI
This GUI interfaces with the on board controller of the DAC81401EVM to control the register settings on the DAC81401 and related devices in the device family.
Supported products & hardware
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool
TINA-TI — SPICE-based analog simulation program
TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VQFN (RHB) | 32 | Ultra Librarian |
Ordering & quality
Information included:
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Information included:
- Fab location
- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
TI E2E™ forums with technical support from TI engineers
Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.
If you have questions about quality, packaging or ordering TI products, see TI support.