Support software
DAC70502
Dual-channel, 1-LSB INL, 14-bit, SPI voltage-output digital-to-analog converter (DAC)
Data sheet
DAC70502
- 16-bit performance: 1-LSB INL and DNL (max)
- Low glitch energy: 4 nV-s
- Wide power supply: 2.7 V to 5.5 V
- Buffered output range: 5 V, 2.5 V, or 1.25 V
- Low power: 1 mA per channel at 5.5 V
- Integrated 5-ppm/˚C (max), 2.5-V precision reference
- Pin-selectable serial interface
- 3-wire, SPI compatible up to 50-MHz
- 2-wire, I2C compatible
- Power-on-reset: zero scale or midscale
- 1.62-V VIH with VDD = 5.5 V
- Temperature range: –40˚C to +125˚C
- Package: Tiny 10-pin WSON
The 16-bit DAC80502, 14-bit DAC70502, and 12-bit DAC60502 (DACx0502) digital-to-analog converters (DACs) are highly accurate, low-power devices with voltage output.
The DACx0502 offer linearity of < 1 LSB. The high accuracy combined with tiny package make the DACx0502 an excellent choice for applications such as gain and offset calibration, current or voltage set point generation, and power-supply control. These devices include a 2.5-V, 5-ppm/°C internal reference, giving full-scale output voltage ranges of 1.25 V,
2.5 V, or 5 V. The DACx0502 incorporate a power-on-reset circuit that makes sure the DAC output powers up at zero scale or midscale based on the status of RSTSEL pin, and remains at that scale until a valid code is written to the device.
The digital interface of the DACx0502 can be configured to SPI or I2C mode using the SPI2C pin. In SPI mode, the DACx0502 use a versatile 3-wire serial interface that operates at clock rates up to 50 MHz. In I2C mode, the DACx0502 operate in standard (100 kbps), fast (400 kbps), and fast+ (1.0 Mbps) modes.
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Technical documentation
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View all 3 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | DACx0502, Dual, 16-Bit, 14-Bit, and 12-Bit, 1-LSB INL, Voltage-Output DACs With Precision Internal Reference datasheet (Rev. A) | PDF | HTML | 16 Apr 2020 |
| Application note | A Basic Guide to I2C | PDF | HTML | 08 Nov 2022 | |
| EVM User's guide | DAC80502 Evaluation Module User's Guide | 27 Nov 2019 |
Design & development
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Evaluation board
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User guide: PDF
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WSON (DRX) | 10 | Ultra Librarian |
Ordering & quality
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